4th Sep '25

Keywords

0S25
1B69
1C42
1P35
2B38
2C25
2P39
3B50
3C41
3P27
4B90
4C35
4P37
5B73
5C36
5P53
6B38
6C21
6P26
7C28
7P31
8B4
8C25
8P18
B1140
B2100
C1163
C2120
P1133
P2193
de2
  1. Energy (69) - 1C:5 - 2P:21 - 4B:20 - 4P:11 - 5C:1 - 5P:7 - 6B:2 - 7P:2
    • Makes possible to happen.
  2. Force (36) - 1C:2 - 1P:12 - 3P:1 - 5P:5 - 6P:6 - de:1 - P2:9
    • something changes shape, direction or speed.
  3. Particles (26) - 1P:1 - 2C:6 - 2P:6 - 4B:1 - 4P:3 - 5P:2 - 6B:1 - 6P:1 - 7P:1 - 8C:2 - C1:1 - P1:1
    • You can use the idea of particles to explain the properties of solids, liquids and gases.
  4. Current (23) - 8P:1 - P1:15 - P2:7
    • An electric current is a flow of electric charge.
  5. Speed (21) - 3P:17 - 4P:3 - P2:1
    • How far an object travels during an amount of time.
  6. Chemical reaction (19) - 2C:2 - 4C:11 - C1:4 - C2:2
    • A process that leads to the chemical transformation of one set of chemical substances to another.
  7. Wave (19) - 4P:17 - 7P:1 - P2:1
    • how energy is transferred from A to B
  8. Sound (18) - 2P:2 - 4P:16
    • A form of energy, travels through particles typically in waves.
  9. Transfer (14) - 2P:7 - 4P:2 - 5P:2 - 6P:2 - P1:1
    • To convey or cause to pass from one place, person, or thing to another.
  10. (13) - 0S:2 - 1C:3 - 3B:3 - P2:5
  11. Magnet (13) - 6P:12 - P2:1
    • A material made out of either iron, steel or cobalt that is polarised and has a north and south pole.
  12. Gas (13) - 1C:6 - 2P:2 - 4C:1 - 4P:1 - 5P:1 - C1:2
    • One of the states of matter with the most amount of energy.
  13. Charge (13) - 6P:7 - 8P:1 - P1:5
    • The physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charges; positive and negative.
  14. Element (13) - 2C:11 - C1:2
    • made up from only one type of atom.
  15. Resistance (13) - P1:13
    • the degree to which a substance or device opposes the passage of an electric current, causing energy dissipation.
  16. Time (12) - 0S:1 - 1C:3 - 2B:1 - 3P:5 - 4P:1 - P2:1
    • An indefinite period.
  17. Liquid (12) - 1C:9 - 5P:2 - C1:1
    • particles are close together and arranged and move in a random way.
  18. Solid (12) - 1C:8 - 2P:2 - 4P:1 - C1:1
    • particles packed tightly together and are arranged in a regular pattern and vibrate around a fixed point.
  19. Frequency (12) - 4P:6 - 7P:1 - C2:1 - P2:4
    • the number of wave cycles passing a point per unit time
  20. Diode (11) - P1:11
  21. Cell (11) - 1B:4 - 2B:1 - 4B:3 - 5B:1 - 6B:2
    • Small part of a living organism.
  22. Thermal (Heat) (11) - 2P:9 - 5P:2
    • The energy of the average molecules in an object.
  23. Field (11) - 6P:10 - P2:1
    • a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
  24. Compound (10) - 2C:8 - C1:2
    • A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule.
  25. Atom (10) - 2C:5 - 4C:2 - 6P:1 - C1:2
    • the smallest constituent unit of ordinary matter.
  26. Concentration (10) - 4B:1 - 5C:1 - 6B:1 - B1:2 - C1:2 - C2:3
    • the amount of a substance per defined space. (often measured as mol/dm3 or g/dm3)
  27. Chemical (9) - 2C:7 - 4C:1 - 8C:1
    • A substance produced by or used in a chemical process.
  28. Weight (9) - 4B:2 - 5P:6 - P2:1
    • The force on an object with mass due to gravity.
  29. Electrical (9) - 2P:2 - 4P:1 - 5P:2 - 6P:3 - P2:1
    • energy transfer
  30. Mass (9) - 1C:2 - 2B:1 - 2C:2 - C1:1 - P2:3
    • how many particles there are (measured in KG)
  31. Displacement (9) - 4C:1 - 4P:2 - 5P:1 - 7C:1 - 7P:1 - P2:3
    • a measurement of distance of the movement of a particle from its equilibrium position in a medium as it transmits a second wave
  32. DNA (8) - 5B:6 - B2:1 - C1:1
    • Deoxyribonucleic acid.
  33. Pressure (8) - 5P:4 - 8C:1 - C1:1 - C2:2
    • The force applied perpendicular to the surface of an object per unit area over which that force is distributed.
  34. Collide (8) - 2P:4 - 4P:3 - 5P:1
    • Where two or more objects hit into each other.
  35. Work done (8) - 5P:4 - P2:4
    • Work is done when a force is applied to an object and the object is moved through a distance.
  36. Temperature (8) - 1C:4 - 2P:2 - C2:1 - P2:1
    • the degree or intensity of heat present in a substance or object.
  37. Electron (8) - 6P:1 - 8P:1 - C1:2 - P1:4
  38. Respiration (8) - 1B:1 - 5B:1 - 5C:1 - 6B:3 - B1:1 - B2:1
    • Reaction releasing the energy from glucose to be used for cells to carry out activities.
  39. energy (7) - 3B:1 - 3C:2 - P1:4
  40. Density (7) - 1C:5 - 5P:1 - P1:1
    • A measure of the compactness of a substance, which is equal to the amount of mass per unit of volume
  41. Ammeter (7) - 8P:2 - P1:5
    • An instrument used to measure current.
  42. Distance (7) - 3P:3 - 4P:2 - P2:2
    • An amount of length.
  43. Particle (7) - 1C:6 - 4P:1
    • Something that makes up something bigger.
  44. Vibration (7) - 1C:1 - 4P:5 - 5P:1
    • A movement or oscillation around a fixed point.
  45. Heat (7) - 1C:4 - 4C:2 - 5C:1
    • The heat an object contains is the amount of its thermal energy, measured in joules or J.
  46. Extension (7) - 1P:3 - 5P:1 - de:1 - P2:2
    • The increase in size in one direction ( stretch).
  47. Acceleration (7) - 1P:3 - P2:4
    • The increase of speed of an object over time.
  48. Average (7) - 3P:6 - P2:1
    • The middle point in the data. Mean.
  49. Surface area (7) - 4B:4 - 6B:1 - C1:1 - C2:1
    • A measure of the total area that the surface of the object occupies.
  50. Digestion (7) - 4B:6 - B1:1
    • The process by which food is broken down and absorbed into the blood to be used by cells.
  51. Absorbed (7) - 4B:4 - 4P:3
    • The transfer of energy from a wave to an object.
  52. Rate (7) - 4B:2 - 6B:1 - 7C:1 - C2:3
    • The speed at which a chemical reaction proceeds.
  53. Velocity (7) - 3P:2 - P2:5
    • velocity is a vector quantity; it is direction-aware.
  54. Kinetic (7) - 1C:1 - 2P:2 - 5P:4
    • The energy of a body with motion.
  55. Potential difference (6) - P1:6
  56. Carbohydrates (6) - 4B:6
  57. Thermistor (6) - P1:6
    • A resistor that is sensitve to temperature changes.
  58. Field line (6) - 6P:6
    • A visual representation of direction of flow in a field. These lines may never cross.
  59. LDR (6) - P1:6
    • Light Dependent Resistor
  60. Peak (6) - 4P:5 - 7P:1
    • The highest point in the wave.
  61. Chemical formulae (6) - 2C:5 - 4C:1
    • A formula that gives the total number of atoms of each element in each molecule of a substance
  62. Wavelength (6) - 4P:1 - 7P:1 - P2:4
    • The distance between two successive crests or troughs of a wave.
  63. Acid (6) - 4C:4 - 7C:1 - C1:1
    • a solution that contains H ions
  64. Amplitude (6) - 4P:3 - 7P:1 - P2:2
    • the vertical distance between a peak or a valley and the equilibrium point.
  65. Enzymes (5) - 4B:5
  66. Vitamins (5) - 4B:5
  67. Lipids (5) - 4B:5
  68. Minerals (5) - 4B:5
  69. Nutrients (5) - 4B:5
  70. alkali (5) - 6C:5
  71. Small intestine (5) - 4B:4 - 6B:1
  72. Proteins (5) - 4B:4 - 5B:1
  73. Insulator (5) - 2P:5
    • A body which has a very low rate of energy transfer.
  74. Compression (5) - 1P:1 - 5P:1 - 7C:1 - P2:2
    • A compression is a region in a longitudinal wave where the particles are closest together.
  75. Organism (5) - 1B:3 - 2B:1 - 5B:1
    • A living thing
  76. Resultant force (5) - 1P:2 - P2:3
    • A number of forces acting on an object may be replaced by a single force that has the same effect as all the original forces acting together.
  77. Gravity (5) - 1P:1 - 3P:1 - P2:3
    • An attraction between matter that is able to keep large masses like moons and planets in orbit.
  78. Reflection (5) - 4P:4 - 7P:1
    • Bouncing of waves.
  79. Molecule (5) - 2C:1 - 4C:1 - 5B:1 - C1:2
    • A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
  80. Collision (5) - 1C:2 - C2:1 - P2:2
    • An event in which two or more bodies exert forces on each other for a relatively short time.
  81. Flow (5) - 2P:5
    • Energy in particular bodies usually involves the movement of energy from one area to another.
  82. Load (5) - 1P:3 - 5P:2
    • Force applied
  83. Power (5) - 5P:2 - P1:1 - P2:2
    • Power is a measure of how quickly energy is transferred. The unit of power is the watt (W).
  84. Deform (5) - 1P:2 - 5P:3
    • The changing of shape of an object.
  85. Friction (5) - 1P:4 - P2:1
    • The force caused by the rubbing of two different surfaces resulting in an increase in temperature
  86. Attraction (5) - 1C:4 - P2:1
    • Pulling together.
  87. Light (5) - 2P:3 - 5P:1 - P2:1
    • electromagnetic waves that transfers energy, even through a vacuum.
  88. Momentum (5) - 1P:2 - P2:3
    • the quantity of motion of a moving body, measured as a product of its mass and velocity.
  89. Diffusion (5) - 4B:3 - 6B:1 - B1:1
    • Passive movement of particles from a high to a low concentration.
  90. Uterus (4) - 5B:4
  91. Consume (4) - 4B:4
  92. Genetic information (4) - 5B:4
  93. Small intestines (4) - 4B:4
  94. Species (4) - 5B:4
  95. mixture (4) - 3C:4
  96. end point (4) - 6C:4
  97. (4) - C1:3 - P2:1
  98. transfer (4) - 2P:1 - P1:3
  99. Alkali (4) - 4C:4
  100. Volume (4) - 0S:1 - 1C:2 - C1:1
  101. Oxidation (4) - 4C:3 - C1:1
    • A chemical reaction where metals gain oxygen and looses electrons.
  102. Oscilloscope (4) - 4P:4
    • A fast reacting voltmeter that can show waves.
  103. Mole (4) - C1:4
    • A measure of a chemical amount.
  104. Pivot (4) - 1B:1 - 5P:2 - P2:1
    • A point at which an object is restricted to rotational movement.
  105. Enzyme (4) - B1:3 - C2:1
    • A protein manufactured by a cell, that acts as a biological catalyst.
  106. Variable resistor (4) - P1:4
    • A resistor that can vary the flow of current in a circuit.
  107. Pole (4) - 6P:4
    • A side of a magnet, North or South.
  108. Electrons (4) - 6P:3 - P1:1
    • A stable subatomic particle with a negative charge.
  109. Pollen (4) - 2B:4
    • Male sex cell in a plant
  110. Trough (4) - 4P:3 - 7P:1
    • The lowest point in the wave.
  111. Magnetic field (4) - P2:4
    • a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
  112. Freeze (4) - 1C:3 - 8C:1
    • When a liquid turns into a solid.
  113. Gamete (4) - 2B:2 - B2:2
    • sex cells that fuse during sexual reproduction.
  114. Mixture (4) - 2C:2 - C1:2
  115. Nuclear (4) - 2P:2 - 5C:1 - 5P:1
    • A store of energy in sub-atomic bonds inside an element.
  116. Ion (4) - B1:1 - C1:2 - C2:1
    • An atom that has either gained or lost electrons.
  117. voltmeter (4) - P1:4
    • An instrument used to measure potential difference.
  118. Ultrasound (4) - 4P:3 - P2:1
    • Electromagnetic wave
  119. Polymer (4) - B2:2 - C1:1 - C2:1
    • Made of chain of chemically bonded monomers.
  120. Product (4) - 4C:1 - 7C:2 - C2:1
    • The species formed from chemical reactions.
  121. Conduction (4) - 2P:3 - C1:1
    • Transfer of electricity or thermal energy.
  122. Relative (4) - 3C:1 - 3P:3
    • With reference to a different point or body which may or may not be stationary.
  123. Resource (4) - 5P:3 - C2:1
    • is a source or supply from which a in benefit is produced.
  124. Reactant (4) - 4C:1 - 7C:2 - C2:1
    • The starting materials in a chemical reaction.
  125. Lattice (4) - 1C:1 - 8C:1 - C1:2
    • a regular repeated three-dimensional arrangement of atoms, ions, or molecules in a metal or other crystalline solid.
  126. Gene (4) - 1B:1 - 5B:1 - B2:2
    • a section of DNA that codes for a protein or part of a protein.
  127. Fertilisation (4) - 2B:1 - 5B:2 - B2:1
    • Where gametes fuse and combine their chromosomes.
  128. Melting point (4) - 1C:1 - C1:2 - C2:1
    • The temperature at which a given solid will melt.
  129. Oxygen (4) - 3B:1 - 5C:2 - 6B:1
    • Reactive gaseous element.
  130. Boiling point (4) - 1C:1 - C1:1 - C2:2
    • The temperature at which a liquid boils and turns to vapour.
  131. Combustion (4) - 4C:3 - C2:1
    • rapid chemical combination of a substance with oxygen, involving the production of heat and light.
  132. Starch (4) - 4B:3 - B1:1
    • carbohydrate made of lots of glucose molecules joined together.
  133. Exothermic (4) - 4C:1 - 6B:1 - C1:1 - C2:1
    • A chemical reaction that transfers energy to the surroundings.
  134. Proportional (4) - 1P:3 - P2:1
    • having a constant ratio to another quantity.
  135. Newtons (4) - 1P:2 - 3P:1 - 5P:1
    • unit of measure of force kgm/s^2
  136. Internal energy (3) - 1C:3
  137. Digestive system (3) - 4B:3
  138. separate (3) - 3C:3
  139. neutral (3) - 6C:3
  140. Mouth (3) - 4B:3
  141. acid (3) - 6C:3
  142. salt (3) - 6C:3
  143. Fibre (3) - 4B:3
  144. Cervix (3) - 5B:3
  145. Indicator (3) - 4C:3
  146. Prediction (3) - 2C:3
  147. Sedimentary (3) - 8C:3
  148. Pattern (3) - 2C:3
  149. Linear (3) - 2C:3
  150. Line of best fit (3) - 2C:3
  151. Embryo (3) - 5B:3
  152. green (3) - 6C:3
  153. Magnet (3) - 6P:3
  154. Stomach (3) - 4B:3
  155. neutral (3) - 6C:3
  156. Fetus (3) - 5B:3
  157. Tension (3) - 1P:2 - P2:1
  158. Energy store (3) - 5C:1 - P2:2
  159. Conservation of mass (3) - 2C:2 - 4C:1
  160. X (3) - 3B:1 - 4B:2
  161. Carbon dioxide (3) - 3B:2 - 5C:1
  162. Ovary (3) - 2B:2 - 5B:1
  163. Forces (3) - 2C:1 - 8C:1 - P2:1
  164. Battery (3) - P1:3
  165. Base (3) - 4C:3
  166. Relative Formula Mass (3) - C1:3
  167. Resistor (3) - P1:3
  168. Tissue (3) - 1B:2 - 3B:1
    • A collection of similar cells doing the same job.
  169. Store (3) - 2P:3
    • A body with the potential to release energy.
  170. Melt (3) - 1C:3
    • A change in state from a solid to a liquid.
  171. Convection (3) - 2P:2 - 5C:1
    • A flow in a fluid created by uneven heating.
  172. Distance-time graph (3) - 3P:3
    • A graph plotting the distance travelled as time progresses.
  173. Joint (3) - 1B:3
    • A joint is where two or more bones meet.
  174. Conductor (3) - 7C:1 - P2:2
    • A material the can conduct electricity or thermal energy.
  175. Power stations (3) - 5P:3
    • A site which produces electrical energy.
  176. Elastic potential (3) - 2P:2 - 5P:1
    • A store of energy in stretched or compressed materials.
  177. Direction (3) - 4P:1 - P2:2
    • A straight course along which something moves.
  178. Transformer (3) - P1:1 - P2:2
    • A transformer is an electrical device that changes the voltage of an AC supply.
  179. Moment (3) - 5P:2 - P2:1
    • A turning effect caused by a force acting on a body not in the direction of the centre of mass of that body.
  180. Domains (3) - 6P:3
    • An area in a magnetic material where the electrons are spinning in the same direction.
  181. Nucleus (3) - 1B:1 - 5B:2
    • An organelle which is a container of genetic instructions.
  182. Surface (3) - 5P:3
    • An outside area of an object.
  183. Renewable (3) - 5P:2 - C2:1
    • Are collected renewable resources, which are naturally replenished on a human timescale.
  184. Magnetic material (3) - 6P:3
    • Ferrous metals, or magnets themselves.
  185. Catalyst (3) - 4C:1 - C1:1 - C2:1
    • A substance that speeds up the rate of a chemical reaction, but is not consumed. Works by lowering the activation energy.
  186. pH (3) - 4C:2 - B1:1
    • How acidic or alkaline a substance is.
  187. Adapted (3) - 1B:1 - 2B:1 - 4B:1
    • How something is different.
  188. Organ System (3) - 1B:2 - B1:1
    • Organs working together to perform a major specific role/system in the organism.
  189. Vector (3) - B1:1 - P2:2
    • Something that carry's disease
  190. Chemical potential (3) - 2P:2 - 5P:1
    • Stored energy in bonds between particles.
  191. Function (3) - 1B:1 - 4B:1 - 6B:1
    • The 'job' that something (eg Cell) does.
  192. Magnitude (3) - 5P:1 - P2:2
    • The amount without direction. Speed is the magnitude of velocity.
  193. Surrounding (3) - 2P:3
    • The area outside the object/s under observation.
  194. Activation energy (3) - C2:3
    • The energy required to start a chemical reaction.
  195. Magnetic (3) - 1P:1 - 2P:1 - 6P:1
    • The energy stored between two objects with attractive or repulsive magnetic attractions.
  196. States of matter (3) - 1C:2 - 2C:1
    • The form a substance is in.
  197. Displace (3) - 5P:3
    • The volume occupied by a solid.
  198. Solute (3) - 3C:1 - C1:2
    • a substance that will dissolve
  199. alkali (3) - 6C:2 - C1:1
    • If a base does dissolve in water, it is called an alkali
  200. waves (3) - P2:3
    • transfer energy but not matter
  201. Chemical symbol (3) - 2C:2 - C1:1
    • a symbol used to represent each element in the periodic table that is recognised across the world.
  202. Protein (3) - 4B:2 - B1:1
    • Amino acids joined together. They can be structural or enzymes.
  203. Melting (3) - 1C:2 - P1:1
    • When a solid turns into a liquid.
  204. Transmit (3) - 5P:1 - P1:1 - P2:1
    • move from one place to another
  205. Insoluble (3) - 3C:1 - C1:2
    • will not dissolve in a solvent
  206. Zygote (3) - 5B:2 - B2:1
    • Cell produced from fertilisation. The first cell of a new organism.
  207. Reactivity (3) - 7C:1 - C1:2
    • How likely an element is to react and form a compound
  208. Endothermic (3) - 4C:1 - C1:1 - C2:1
    • A chemical reaction takes in energy from the surroundings.
  209. Photosynthesis (3) - 3B:1 - 5C:1 - C2:1
    • The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
  210. Conservation (3) - 1C:2 - P2:1
    • There is no change
  211. Attract (3) - 6P:2 - P2:1
    • Where two objects have a pulling force between them.
  212. Repel (3) - 6P:2 - P2:1
    • Where two objects have a pushing force between them.
  213. Anaerobic (3) - 6B:3
    • Without oxygen.
  214. Condense (3) - 1C:2 - C1:1
    • change in state from gas to liquid.
  215. Extended writing (3) - C1:3
    • explain why covalent substances do not conduct electricity.
  216. Equilibrium (3) - 4P:1 - P2:2
    • when there is a balance of opposing forces or influences.
  217. Glucose (3) - 3B:1 - 5C:1 - 6B:1
    • A simple sugar molecule.
  218. Hertz (3) - 4P:1 - P2:2
    • unit for frequency
  219. Food type (2) - 4B:2
  220. salt (2) - 6C:2
  221. Placenta (2) - 5B:2
  222. acid (2) - 6C:2
  223. ink (2) - 3C:2
  224. Gametes (2) - 5B:2
  225. Vagina (2) - 5B:2
  226. Pregnancy (2) - 5B:2
  227. energy (2) - P1:2
  228. Food group (2) - 4B:2
  229. transferred (2) - P1:2
  230. Offspring (2) - 5B:2
  231. Balanced diet (2) - 4B:2
  232. geothermal (2) - P1:2
  233. Biodiversity (2) - 5B:2
  234. stored (2) - P1:2
  235. system (2) - P1:2
  236. Reproduce (2) - 5B:2
  237. LDR (2) - P1:2
  238. Sperm (2) - 5B:2
  239. resources (2) - P1:2
  240. group (2) - 6C:2
  241. Double helix (2) - 5B:2
  242. non renewable (2) - P1:2
  243. Ray (2) - 7P:2
  244. Base pairs (2) - 5B:2
  245. chromatography (2) - 3C:2
  246. fossil fuels renewable (2) - P1:2
  247. Healthy (2) - 4B:2
  248. Current (2) - 8P:2
  249. Crust (2) - 5C:2
  250. reactivity (2) - 6C:2
  251. concentration (2) - 3C:2
  252. particles (2) - 3C:2
  253. metal (2) - 6C:2
  254. diffusion (2) - 3C:2
  255. temperature (2) - 3C:2
  256. colour (2) - 3C:2
  257. leaf (2) - 3B:2
  258. mixture (2) - 3C:2
  259. Evaporate (2) - 1C:2
  260. Seed (2) - 2B:2
  261. Anther (2) - 2B:2
  262. Stigma (2) - 2B:2
  263. Style (2) - 2B:2
  264. Spring constant (2) - P2:2
  265. Concentration gradient (2) - 4B:2
  266. Protease (2) - 4B:2
  267. Scalar (2) - P2:2
  268. Amylase (2) - 4B:2
  269. Linear (2) - P2:2
  270. Rotation (2) - P2:2
  271. Sugars (2) - 4B:2
  272. Limit of proportionality (2) - P2:2
  273. Intestine (2) - 4B:2
  274. Undigested (2) - 4B:2
  275. Pancreas (2) - 4B:2
  276. Anus (2) - 4B:2
  277. Energy transfer (2) - P2:2
  278. Stretching (2) - P2:2
  279. Directly proportional (2) - P2:2
  280. Metal (2) - 4C:1 - 7C:1
  281. atoms (2) - 3B:1 - C1:1
  282. Bond (2) - 2C:1 - 7C:1
  283. Core (2) - 5C:1 - 8P:1
  284. Microscopic (2) - 2B:1 - 4B:1
  285. water (2) - 3B:1 - 6C:1
  286. Safety (2) - 0S:1 - P2:1
  287. Joule (2) - 4B:1 - P2:1
  288. Growth (2) - 1B:1 - 4B:1
  289. Balanced (2) - 1P:1 - P2:1
  290. Balanced equation (2) - C1:2
  291. pH Scale (2) - 4C:2
  292. Light intensity (2) - P1:2
  293. Percentage atom economy (2) - C1:2
  294. Mitochondria (2) - 1B:1 - 6B:1
    • A cell organelle that performs respiration.
  295. Products (2) - 3B:1 - C1:1
  296. Covalent bond (2) - C1:2
    • A chemical bond formed between non-metal atoms, which combine together by sharing electrons.
  297. Reversible (2) - C1:1 - C2:1
    • A chemical reaction where the reactants form products that, in turn, react together to give the reactants back.
  298. Ovule (2) - 2B:2
    • Female sex cell in plant
  299. Stretch (2) - 1P:1 - 5P:1
    • A deformation where the size is increases due to a force.
  300. Pollination (2) - 2B:2
    • where pollen fertilises the ovule in a flower
  301. Air resistance (2) - 1P:1 - P2:1
    • A force created on a body moving through air.
  302. Stationary (2) - P2:2
    • object that is not moving
  303. Deceleration (2) - P2:2
    • when an object slows down
  304. Fluid (2) - 5P:1 - P2:1
    • A liquid or gas.
  305. Fuel (2) - 4C:1 - C2:1
    • A material such as coal, gas, or oil that is burned to produce energy.
  306. Drag (2) - 1P:2
    • A more general term for a force on an object acting in the opposite direction to its direction of travel.
  307. Bicep (2) - 1B:2
    • A muscle on top of the upper arm.
  308. Tricep (2) - 1B:2
    • A muscle on underside of the upper arm.
  309. Cardiovascular disease (2) - B1:2
    • A range of conditions caused by a build-up of fatty deposits inside the arteries.
  310. Thermal decomposition (2) - 4C:1 - C1:1
    • A reaction in which a substance is broken down into at least two other substances by heat
  311. Gravitational potential (2) - 2P:2
    • A store of energy, defined by the distance between two objects with mass.
  312. Pure (2) - 3C:1 - C2:1
    • A substance made up of only one element and compound.
  313. Vacuum (2) - 2P:2
    • An area devoid of particles.
  314. Chloroplasts (2) - 1B:1 - 5C:1
    • An organelle that contains chlorophyll, a green substance.
  315. Risk Factor (2) - B1:1 - B2:1
    • Any attribute, characteristic or exposure of an individual that increases the likelihood of developing a disease or injury.
  316. Matter (2) - 1C:2
    • Any substance that occupies space and possesses mass.
  317. Bacteria (2) - 1B:1 - 4B:1
    • Bacteria are living cells and, in favourable conditions, can multiply rapidly. Once inside the body, they release poisons or toxins that make us feel ill.
  318. Light microscope (2) - 1B:2
    • Device that uses visible light and a series of lenses to produce an enlarged image of an object.
  319. Organ (2) - 1B:2
    • Different tissues working together to fulfil a specific function
  320. Radiation (2) - 2P:2
    • Dispersion of energy from one body through light energy.
  321. Elodea cell (2) - 1B:2
    • Elodea is a type of pond plant, the cells have lots of chloroplasts to capture light for the process of photosynthesis.
  322. Igneous (2) - 8C:2
    • Fire rock
  323. Root hair cell (2) - 1B:2
    • Have a large surface area to absorb water and nutrients. RHC have no chloroplasts as light does not get to them
  324. Ciliated cell (2) - 1B:2
    • Have hair like structures to move substances around.
  325. Longitudinal (2) - 4P:1 - P2:1
    • In longitudinal waves, the oscillations are along the same direction as the direction of travel and energy transfer.
  326. Decomposition (2) - 3B:1 - 4C:1
    • Large molecules splitting into smaller molecules
  327. Tendons (2) - 1B:2
    • Muscles are connected to bones by Tendons
  328. Muscles (2) - 1B:2
    • Muscles are needed to move bones attached by joints. They can contract or relax.
  329. Unbalanced (2) - 1P:2
    • Not equal
  330. Ribosome (2) - 1B:1 - B2:1
    • Organelle that carries out protein synthesis.
  331. Surfaces (2) - 1P:2
    • The area of one side of an object.
  332. Solution (2) - 3C:1 - C2:1
    • A mixture where one of the substances is dissolved within another.
  333. Transform (2) - 2P:2
    • The change of energy of one form to another.
  334. Electrostatic (2) - 1P:1 - 6P:1
    • The forces between different charges.
  335. Tropisms (2) - B2:2
    • The growth of a plant towards or away from a particular stimulus.
  336. Quadriceps (2) - 1B:2
    • The muscle on front of the upper leg.
  337. Intercostal muscles (2) - 1B:2
    • The muscles between the ribs
  338. Hamstrings (2) - 1B:2
    • The muscles on back of the upper leg.
  339. Joules (2) - 2P:1 - 5P:1
    • The unit in which energy is measured. (kgm^2/s^2)
  340. Mass number (2) - C1:2
    • Total number of protons and neutrons in an element.
  341. Waves (2) - P2:2
    • Transfer energy, not matter.
  342. Non-contact (2) - 1P:1 - P2:1
    • Where there two objects do not touch each other.
  343. Yeast (2) - 1B:2
    • Yeast are single-celled fungi. They are useful in food production. The carbon dioxide produced by yeast makes bread dough rise, and the ethanol it
  344. Group (2) - C1:2
    • a collection of elements found in the same column of the periodic table with similar properties.
  345. Free body diagram (2) - 1P:1 - P2:1
    • a diagram which is used to show all forces acting on a body
  346. Proton (2) - C1:2
    • a positively charged sub-atomic particle found in the nucleus of an atom with a mass of 1.
  347. Red blood cell (2) - 1B:2
    • a rounded shape to allow it to flow smoothly. Is red due to the iron compound used to carry oxygen. RBC have no nucleus and a biconcave cross section to increase oxygen capacity.
  348. Neutron (2) - C1:2
    • a sub-atomic particle that has no overall charge found in the nucleus of an atom with a mass of 1.
  349. Theory (2) - B2:2
    • a supposition or a system of ideas intended to explain something.
  350. Meiosis (2) - B2:2
    • cell division that forms unique haploid gametes.
  351. Graphite (2) - C1:2
    • each carbon atom is only covalently bonded to three other carbon atoms, rather than to four as in diamond. Graphite contains layers of carbon atoms. The layers slide over each other easily because there are only weak forces between them, making graphite slippery.
  352. mass (2) - P2:2
    • how many particles there are (measured in KG)
  353. Ionic compound (2) - C1:2
    • is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
  354. Metallic bond (2) - C1:2
    • is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons and positively charged metal ions.
  355. Solvent (2) - 3C:1 - C1:1
    • liquid that a solute can be dissolved in
  356. Multicellular organisms (2) - 1B:2
    • living things made up of many cells.
  357. Unicellular organism (2) - 1B:2
    • living things made up of only a one cell.
  358. electrons (2) - C1:2
    • negative subatomic particle, mass of 0, charge -1
  359. Absorb (2) - P2:2
    • take in or soak up energy or a liquid or other substance.
  360. boiling point (2) - C1:2
    • temperature at which a substance changes state from a liquid to a gas
  361. Radius (2) - 1B:1 - C1:1
    • the distance from the centre to the circumference of a circle or sphere.
  362. Kinetic energy (2) - 1C:1 - P2:1
    • the energy stored within moving objects
  363. Atomic number (2) - C1:2
    • the number of protons found in the nucleus of an atom of an element.
  364. Electrostatic attraction (2) - C1:2
    • the phenomenon where a negatively charged atom or molecule is attracted to a positively charged atom or molecule
  365. Evolution (2) - B2:2
    • the process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.
  366. Soluble (2) - 3C:1 - C1:1
    • will dissolve in a solvent
  367. Sugar (2) - 4B:1 - B1:1
    • Molecule that is often a source a chemical energy for living things.
  368. Fusion (2) - P2:2
    • Nuclear fusion involves two atomic nuclei joining to make a large nucleus. Energy is released when this happens.
  369. Organelle (2) - 1B:2
    • Part of a cell
  370. Auxin (2) - B2:2
    • Plant hormones that cause cells to grow.
  371. Concentration Gradient (2) - B1:2
    • The difference between a high and low concentration.
  372. Auditory range (2) - 4P:2
    • The range of frequencies that human ears can pick up.
  373. Rusting (2) - 4C:1 - C2:1
    • The reaction of iron and oxygen in the presence of water or air moisture to produce iron oxide.
  374. Symbol Equation (2) - 4C:2
    • The symbolic representation of a chemical reaction, wherein the reactant(s) are given on the left-hand side and the product(s) on the right-hand side.
  375. Plastically (2) - 5P:2
    • Where deformations remain after force has been removed.
  376. Aerobic (2) - 6B:2
    • With oxygen.
  377. Population (2) - B1:1 - B2:1
    • a community of organisms among whose members interbreeding occurs.
  378. Disease (2) - B1:2
    • a disorder of structure or function in a human, animal, or plant.
  379. Tissue (2) - B1:2
    • a group of cells working together to perform a function.
  380. Organ (2) - B1:2
    • a group of tissues working together to perform a particular function.
  381. Transverse (2) - 4P:1 - P2:1
    • In transverse waves, the oscillations (vibrations) are at right angles to the direction of travel and energy transfer.
  382. Lime water (2) - 5C:1 - C2:1
    • An aqueous solution of calcium hydroxide.
  383. Products (2) - B1:1 - C2:1
    • a substance produced during a natural, chemical, or manufacturing process.
  384. Word Equation (2) - 4C:2
    • is a chemical reaction expressed in words rather than chemical formulas. A word equation should state the reactants (starting materials), products (ending materials), and direction of the reaction in a form that could be used to write a chemical equation.
  385. Medium (2) - 4P:1 - C1:1
    • state of matter such as solid, liquid or gas.
  386. Carbonate (2) - 5C:1 - C1:1
    • Group that contains carbon and oxygen (CO3)
  387. Voltage (2) - 8P:1 - P2:1
    • A potential difference, also called voltage, across an electrical component is needed to make a current flow through it. Cells or batteries often provide the potential difference needed.
  388. Active Transport (2) - B1:2
    • the movement of a chemical across a partially permeable membrane against its concentration gradient using energy from respiration.
  389. Reflect (2) - P2:2
    • when waves bounce back off a shiny surface
  390. Chromosome (2) - 5B:1 - B1:1
    • Long section of DNA containing many genes.
  391. Boundary (2) - P2:2
    • the point where two mediums meet
  392. Earthquakes (2) - 5C:1 - P2:1
    • a sudden violent shaking of the ground
  393. transmitted (2) - 7P:1 - P2:1
    • pass from one place to another
  394. Atmosphere (2) - 5C:1 - C2:1
    • the envelope of gases surrounding a planet, held in place by its gravitational pull.
  395. Health (2) - 4B:1 - B1:1
    • The state of physical and mental well-being.
  396. Noble gases (2) - 5C:1 - C1:1
    • unreactive group of elements
  397. Refraction (2) - 4P:1 - P2:1
    • when a wave passes through a medium with different density it speeds up or slows down
  398. volume (1) - 3B:1
  399. Time (1) - 3P:1
  400. surface area (1) - 3B:1
  401. Biological catalysts (1) - 4B:1
  402. adaptation (1) - 3B:1
  403. ratio (1) - 3B:1
  404. function (1) - 3B:1
  405. Chemical reactions (1) - 4B:1
  406. roots (1) - 3B:1
  407. Large Intestine (1) - 4B:1
  408. absorb (1) - 3B:1
  409. root hair cells (1) - 3B:1
  410. Villi (1) - 4B:1
  411. Glycerol (1) - 4B:1
  412. Large intestines (1) - 4B:1
  413. Photosynthesis (1) - 3B:1
  414. Glucose (1) - 3B:1
  415. Waste (1) - 4B:1
  416. Oxygen (1) - 3B:1
  417. Excreted (1) - 4B:1
  418. blood supply (1) - 4B:1
  419. Lipase (1) - 4B:1
  420. Amino acids (1) - 4B:1
  421. Light source (1) - 1B:1
  422. Fatty acids (1) - 4B:1
  423. Faeces (1) - 4B:1
  424. Consumed (1) - 4B:1
  425. Starvation (1) - 4B:1
  426. Starch (1) - 3B:1
  427. Deficiency diseases (1) - 4B:1
  428. Storage (1) - 3B:1
  429. light (1) - 3B:1
  430. Heart disease (1) - 4B:1
  431. reactants (1) - 3B:1
  432. High blood pressure (1) - 4B:1
  433. Blood stream (1) - 4B:1
  434. endothermic (1) - 3B:1
  435. Diabetes (1) - 4B:1
  436. Focusing knob (1) - 1B:1
  437. photosynthesis (1) - 3B:1
  438. conservation of mass (1) - 3B:1
  439. Gravity (1) - 3P:1
  440. Arthritis (1) - 4B:1
  441. Large intestine (1) - 4B:1
  442. Oesophagus (1) - 4B:1
  443. Churned (1) - 4B:1
  444. Saliva (1) - 4B:1
  445. Liver (1) - 4B:1
  446. exothermic (1) - 3B:1
  447. Motion Graphs (1) - 3P:1
  448. Appendix (1) - 4B:1
  449. respiration (1) - 3B:1
  450. Chemically (1) - 4B:1
  451. releases (1) - 3B:1
  452. Precipitate (1) - 4C:1
  453. Physically (1) - 4B:1
  454. acids (1) - 4B:1
  455. measure (1) - 3B:1
  456. storage (1) - 3B:1
  457. starch (1) - 3B:1
  458. Obesity (1) - 4B:1
  459. iodine (1) - 3B:1
  460. leaf (1) - 3B:1
  461. Active Metabolic Rate (AMR) (1) - 4B:1
  462. gas exchange (1) - 3B:1
  463. Reactive (1) - 4C:1
  464. Obese (1) - 4B:1
  465. stomata (1) - 3B:1
  466. leaves (1) - 3B:1
  467. chloroplasts (1) - 3B:1
  468. surface area (1) - 3B:1
  469. Chemical Energy (1) - 4B:1
  470. Neutralisation (1) - 4C:1
  471. converted (1) - 3B:1
  472. Kilojoule (1) - 4B:1
  473. Bunsen Burner (1) - 0S:1
  474. Speed (1) - 3P:1
  475. Tarnish (1) - 4C:1
  476. Basal Metabolic Rate (BMR) (1) - 4B:1
  477. Barrel (1) - 0S:1
  478. Calories (1) - 4B:1
  479. Stage (1) - 1B:1
  480. Kilojoules (1) - 4B:1
  481. Force (1) - 3P:1
  482. Distance (1) - 3P:1
  483. Movement (1) - 1B:1
  484. combustion (1) - 2P:1
  485. Reproduction (1) - 1B:1
  486. Sensitivity (1) - 1B:1
  487. Expand (1) - 1C:1
  488. Eye piece (1) - 1B:1
  489. Mass (1) - 3P:1
  490. fuel (1) - 2P:1
  491. Objective lens (1) - 1B:1
  492. Excretion (1) - 1B:1
  493. Urethra (1) - 5B:1
  494. Oviducts (1) - 5B:1
  495. Penis (1) - 5B:1
  496. energy (1) - 2P:1
  497. Glands (1) - 5B:1
  498. Testes (1) - 5B:1
  499. Nutrition (1) - 1B:1
  500. Sperm duct (1) - 5B:1
  501. Scrotum (1) - 5B:1
  502. Flame (1) - 0S:1
  503. Heredity (1) - 5B:1
  504. Air Hole (1) - 0S:1
  505. Transmitted (1) - 5B:1
  506. Ring (1) - 0S:1
  507. Organisms (1) - 5B:1
  508. Compatible (1) - 5B:1
  509. X-ray crystallography (1) - 5B:1
  510. Replicated (1) - 5B:1
  511. Characteristic. (1) - 5B:1
  512. STOPs (1) - 0S:1
  513. Helical proteins (1) - 5B:1
  514. Variables (1) - 0S:1
  515. Weight (1) - 3P:1
  516. Bases (1) - 5B:1
  517. Measure (1) - 0S:1
  518. Sterile (1) - 5B:1
  519. Tibia (1) - 1B:1
  520. Fibula (1) - 1B:1
  521. Gene banks (1) - 5B:1
  522. Preserve (1) - 5B:1
  523. Hereditary (1) - 5B:1
  524. Genes (1) - 5B:1
  525. Extinction (1) - 5B:1
  526. Stability (1) - 5B:1
  527. Ecosystem (1) - 5B:1
  528. Energy Transfer (1) - 2B:1
  529. Food Web (1) - 2B:1
  530. Genetic variation (1) - 5B:1
  531. Independent (1) - 0S:1
  532. Insects (1) - 2B:1
  533. Ecosystem (1) - 5B:1
  534. Generation (1) - 5B:1
  535. Pregnant (1) - 5B:1
  536. Fuse (1) - 5B:1
  537. Oviduct (1) - 5B:1
  538. Egg (1) - 5B:1
  539. Mitrochondria (1) - 5B:1
  540. Menstruation (1) - 5B:1
  541. Food Chain (1) - 2B:1
  542. Menstrual cycle (1) - 5B:1
  543. Cell sap (1) - 1B:1
  544. Chromosomes (1) - 5B:1
  545. decrease (1) - 0S:1
  546. Speed (1) - 2B:1
  547. Streamlined (1) - 5B:1
  548. Contracts (1) - 5B:1
  549. Maternal (1) - 5B:1
  550. Characteristics (1) - 5B:1
  551. Dilates (1) - 5B:1
  552. Lifestyle (1) - 5B:1
  553. Gestation period (1) - 5B:1
  554. Implants (1) - 5B:1
  555. Length (1) - 2B:1
  556. Composition (1) - 5C:1
  557. Iron (1) - 5C:1
  558. Birth (1) - 5B:1
  559. Mantle (1) - 5C:1
  560. axis (1) - 0S:1
  561. Height (1) - 2B:1
  562. Magnesium (1) - 5C:1
  563. Radioactive (1) - 5C:1
  564. Silicon (1) - 5C:1
  565. Tectonic plates (1) - 5C:1
  566. Eruption (1) - 5C:1
  567. Volcanic (1) - 5C:1
  568. increase (1) - 0S:1
  569. Dispersal (1) - 2B:1
  570. Rock formation (1) - 5C:1
  571. Continent (1) - 5C:1
  572. Fossils (1) - 5C:1
  573. Control (1) - 0S:1
  574. Hydrogen gas (1) - 5C:1
  575. Control variable (1) - 5C:1
  576. Water vapour (1) - 5C:1
  577. relationship (1) - 0S:1
  578. Dependent (1) - 0S:1
  579. Nitrogen (1) - 5C:1
  580. Sample size (1) - 5C:1
  581. Pollinate (1) - 2B:1
  582. Equilibrium. (1) - 4P:1
  583. Brownian motion (1) - 2C:1
  584. Boiling point (1) - 2C:1
  585. Fruit (1) - 2B:1
  586. Safety (1) - 0S:1
  587. Fixed combination (1) - 2C:1
  588. Genetic Material (1) - 2B:1
  589. Pneumatic (1) - 5P:1
  590. It is done through observation of natural phenomena, and/or through experimentation that tries to simulate natural processes under controlled conditions. (1) - 0S:1
  591. Filament (1) - 2B:1
  592. Pollen tube (1) - 2B:1
  593. Carpel (1) - 2B:1
  594. Deposition (1) - 1C:1
  595. Petal (1) - 2B:1
  596. Particles (1) - 2C:1
  597. Sepal (1) - 2B:1
  598. Science (1) - 0S:1
  599. Stamen (1) - 2B:1
  600. Flower (1) - 2B:1
  601. Natural Gas (1) - 5P:1
  602. Evaporating (1) - 1C:1
  603. Depressant (1) - 8B:1
  604. Freezing (1) - 1C:1
  605. Painkiller (1) - 8B:1
  606. Absolute zero (1) - 1C:1
  607. Hallucinogen (1) - 8B:1
  608. Big Ideas (1) - 0S:1
  609. Relationship (1) - 2C:1
  610. Condensing (1) - 1C:1
  611. Thorax (1) - 6B:1
  612. Wind pipe (1) - 6B:1
  613. Bronchus (1) - 6B:1
  614. Atoms (1) - 2C:1
  615. Alveoli (1) - 6B:1
  616. Tar (1) - 6B:1
  617. Carbon monoxide (1) - 6B:1
  618. Nicotine (1) - 6B:1
  619. Gas exchange (1) - 6B:1
  620. Ribs (1) - 6B:1
  621. Bronchi (1) - 6B:1
  622. Capillaries (1) - 6B:1
  623. Oxygen debt (1) - 6B:1
  624. Arteries (1) - 6B:1
  625. Observations (1) - 0S:1
  626. Kidneys (1) - 6B:1
  627. Veins (1) - 6B:1
  628. Lungs (1) - 6B:1
  629. Plasma (1) - 6B:1
  630. Sublimation (1) - 1C:1
  631. boiling (1) - 6C:1
  632. Red Blood Cells (1) - 6B:1
  633. Dissolve (1) - 6B:1
  634. periodic (1) - 6C:1
  635. element (1) - 6C:1
  636. State (1) - 1C:1
  637. melting (1) - 6C:1
  638. Latent heat (1) - 1C:1
  639. Crystal (1) - 3C:1
  640. chromatography (1) - 3C:1
  641. seperating (1) - 3C:1
  642. ink (1) - 3C:1
  643. acid alkali (1) - 6C:1
  644. colour (1) - 3C:1
  645. concentration (1) - 6C:1
  646. Saturated (1) - 3C:1
  647. evaporation (1) - 3C:1
  648. Impure (1) - 3C:1
  649. atom (1) - 3C:1
  650. element (1) - 3C:1
  651. filtration (1) - 3C:1
  652. green (1) - 6C:1
  653. m&ms (1) - 3C:1
  654. chromatography paper (1) - 3C:1
  655. insoluble (1) - 3C:1
  656. capillary tubes (1) - 3C:1
  657. Molecules (1) - 3C:1
  658. Gap (1) - 3C:1
  659. separation techniques (1) - 3C:1
  660. soluble (1) - 3C:1
  661. Field (1) - 6P:1
  662. 1/2 spills to hang paper from. (1) - 3C:1
  663. Charge (1) - 6P:1
  664. South (1) - 6P:1
  665. PENS for chromotography (1) - 3C:1
  666. North (1) - 6P:1
  667. Flow (1) - 6P:1
  668. Magnetic material (1) - 6P:1
  669. spotting tiles (1) - 3C:1
  670. 100ml beakers (1) - 3C:1
  671. Stimulant (1) - 8B:1
  672. transport electricity (1) - P1:1
  673. Chain (1) - 7C:1
  674. heating (1) - P1:1
  675. energy resources (1) - P1:1
  676. coal (1) - P1:1
  677. Tetrahedral (1) - 7C:1
  678. oil (1) - P1:1
  679. global dimming (1) - P1:1
  680. environmental impact (1) - P1:1
  681. global warming (1) - P1:1
  682. density (1) - 7C:1
  683. tidal (1) - P1:1
  684. Layers (1) - 7C:1
  685. Sediment (1) - 8C:1
  686. resistant to chemicals. (1) - 7C:1
  687. cheap (1) - 7C:1
  688. Oxide (1) - 7C:1
  689. insulator (1) - 7C:1
  690. Diffuse (1) - 7P:1
  691. Tensile Strength (1) - 7C:1
  692. Specular (1) - 7P:1
  693. Flexible (1) - 7C:1
  694. Pinhole camera (1) - 7P:1
  695. Scattering (1) - 7P:1
  696. coal (1) - P1:1
  697. Inverted (1) - 7P:1
  698. tidal (1) - P1:1
  699. oil (1) - P1:1
  700. Incidence (1) - 7P:1
  701. sketch a diagram of prism practical and label to show increasing frequency (1) - 7P:1
  702. Prism (1) - 7P:1
  703. Pattern (1) - P1:1
  704. Wildlife (1) - P1:1
  705. display on board and using whiteboards to predict colours needed to make different colours (1) - 7P:1
  706. flooding (1) - P1:1
  707. sewage (1) - P1:1
  708. primary coil (1) - P2:1
  709. yield (1) - P1:1
  710. environmental (1) - P1:1
  711. Magnetic (1) - P2:1
  712. fossil fuels (1) - P1:1
  713. Colour (1) - 7P:1
  714. industry (1) - P1:1
  715. renewable (1) - P1:1
  716. Sand (1) - 8C:1
  717. Clay (1) - 8C:1
  718. Repulsion (1) - P2:1
  719. pollutants (1) - P1:1
  720. Physical (1) - 8C:1
  721. Induced (1) - P2:1
  722. Refracted (1) - 7P:1
  723. Silt (1) - 8C:1
  724. Crystals (1) - 8C:1
  725. Rock (1) - 8C:1
  726. Age (1) - 8C:1
  727. Weathering (1) - 8C:1
  728. Gravel (1) - 8C:1
  729. fuel (1) - P1:1
  730. Coal (1) - 8C:1
  731. infrared (1) - P1:1
  732. Students make simple parallel circuit. (1) - 8P:1
  733. Fossil (1) - 8C:1
  734. radiation (1) - P1:1
  735. Metamorphic (1) - 8C:1
  736. Fossil fuels (1) - P1:1
  737. Coil (1) - 8P:1
  738. nuclear fuel (1) - P1:1
  739. Resistance (1) - 8P:1
  740. Voltage (1) - 8P:1
  741. Electromagnet (1) - 8P:1
  742. Elastic deformation (1) - P2:1
  743. wind turbines (1) - P1:1
  744. Voltmeter (1) - 8P:1
  745. Straight (1) - P2:1
  746. Amps (1) - 8P:1
  747. insulation (1) - P1:1
  748. Series (1) - 8P:1
  749. power (1) - P1:1
  750. Parallel (1) - 8P:1
  751. specific heat capacity (1) - P1:1
  752. Elastic (1) - P2:1
  753. Inelastic deformation (1) - P2:1
  754. temperature (1) - P1:1
  755. conduction (1) - P1:1
  756. Anticlockwise (1) - P2:1
  757. Current (1) - 8P:1
  758. Graph (1) - P2:1
  759. solar (1) - P1:1
  760. Gear (1) - P2:1
  761. Compressed (1) - 8C:1
  762. electricty (1) - P1:1
  763. Lever (1) - P2:1
  764. Turning effect (1) - P2:1
  765. Non-linear (1) - P2:1
  766. Perpendicular (1) - P2:1
  767. Clockwise (1) - P2:1
  768. Zero (1) - P2:1
  769. Gradient (1) - P2:1
  770. Axis (1) - P2:1
  771. Count (1) - P2:1
  772. conservation (1) - P1:1
  773. Calculate (1) - P2:1
  774. dissipated (1) - P1:1
  775. conservation of energy (1) - P1:1
  776. conservation (1) - P1:1
  777. Estimation (1) - P2:1
  778. dissipated (1) - P1:1
  779. Change (1) - P2:1
  780. gravitational potential energy (1) - P1:1
  781. thermal (1) - P1:1
  782. Resultant (1) - P2:1
  783. kinetic energy (1) - P1:1
  784. Balance (1) - P2:1
  785. lubricaction (1) - P1:1
  786. Permanent magnet (1) - P2:1
  787. Electromagnetic (1) - P2:1
  788. Use this as the enquiry question ahead of the homemade Leslie cube demo (1) - P2:1
  789. work done (1) - P1:1
  790. Electromagnetic (1) - P2:1
  791. acid rain (1) - P1:1
  792. Newtonmeter (1) - P2:1
  793. Concent (1) - C1:1
  794. Electrostatic force (1) - P2:1
  795. Interaction pair (1) - P2:1
  796. Ethene (1) - C2:1
  797. Balanced forces (1) - P2:1
  798. Density (1) - C2:1
  799. Gravitational force (1) - P2:1
  800. Tissue is a group of cells with a similar structure and function. (1) - B1:1
  801. Yield (1) - C1:1
  802. Non-contact force (1) - P2:1
  803. Organs are groups of tissues working together to perform specific functions. (1) - B1:1
  804. The limiting reagent (or limiting reactant, LR) in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete. The amount of product formed is limited by this reagent, since the reaction cannot continue without it (1) - C1:1
  805. Normal contact force (1) - P2:1
  806. Covalent (1) - C2:1
  807. Contact force (1) - P2:1
  808. Magnetic force (1) - P2:1
  809. Newton-metre (1) - P2:1
  810. Water (1) - C2:1
  811. Compressing (1) - P2:1
  812. Bending (1) - P2:1
  813. Monomer (1) - C2:1
  814. Frictional forces (1) - P2:1
  815. Polymer (1) - C2:1
  816. Elastic potential energy (1) - P2:1
  817. Gravitational field strength (1) - P2:1
  818. Centre of mass (1) - P2:1
  819. Energy (1) - C1:1
  820. Carbon Fibre (1) - C2:1
  821. Biomass (1) - B2:1
  822. Trophic level (1) - B2:1
  823. Ceramic (1) - C2:1
  824. Efficiency (1) - B2:1
  825. This is why metals have high melting points and boiling points. (1) - C1:1
  826. Composite (1) - C2:1
  827. Newton (1) - P2:1
  828. EW_Describe how to carry out titrations using strong acids and strong alkalis only (sulfuric, hydrochloric and nitric acids only) to find the reacting volumes accurately_ (1) - C1:1
  829. Oxidation (1) - C2:1
  830. Reactivity (1) - C2:1
  831. Sacrficial metal (1) - C2:1
  832. Working with nanoparticles is called nanotechnology.nanometre, 1 nm, is one billionth of a metre (or a millionth of a millimetre) (1) - C1:1
  833. oil (1) - C2:1
  834. Reaction Profile (1) - C1:1
  835. Alloys (1) - C2:1
  836. Steel (1) - C2:1
  837. Brass (1) - C2:1
  838. Bronze (1) - C2:1
  839. Quantitative test (1) - C2:1
  840. air (1) - C2:1
  841. with the same functional group but differing in composition by a fixed group of atoms. (1) - C2:1
  842. chemical (1) - C1:1
  843. Controlled by physical blocks that stop sperm from entering the female system. (1) - B2:1
  844. Atom Economy (1) - C1:1
  845. Giant Ionic (1) - C1:1
  846. Barrier contraception (1) - B2:1
  847. . (1) - C2:1
  848. reaction (1) - C1:1
  849. Metallic bonding is the strong attraction between closely packed positive metal ions and a 'sea' of delocalised electrons. (1) - C1:1
  850. Fungi - type of pathogen (1) - B1:1
  851. Virus - type of pathogen, takes over host cells (1) - B1:1
  852. Bacteria - type of pathogen (1) - B1:1
  853. corrosion (1) - C2:1
  854. Chemical Reaction (1) - C1:1
  855. Rectum (1) - 4B:1
  856. Salivary gland (1) - 4B:1
  857. Reactants (1) - C1:1
  858. Avogardo Constant (1) - C1:1
  859. Organs (1) - 4B:1
  860. Diet (1) - 4B:1
  861. molar (1) - C1:1
  862. Nanoscience (1) - C1:1
  863. Dietary (1) - 4B:1
  864. Gases (1) - C1:1
  865. Peer review (1) - C2:1
    • 1.evaluation of scientific, academic, or professional work by others working in the same field.
  866. peptide bond (1) - C1:1
    • A bond created between two amino acids.
  867. Humerus (1) - 1B:1
    • A bone in the upper arm
  868. Carbon footprint (1) - C2:1
    • A carbon footprint is historically defined as the total emissions caused by an individual, event, organisation, or product, expressed as carbon dioxide equivalent.
  869. Deformation (1) - 5P:1
    • A change in shape.
  870. Ionic bond (1) - C1:1
    • A chemical bond formed by the electrostatic attraction of oppositely charged ions. Formed between a metal and non-metal.
  871. Hormone (1) - B2:1
    • A chemical messenger that travels through the cells.
  872. Redox (1) - C1:1
    • A chemical reaction where substances are reduced and oxidised simultaneously.
  873. Hormones (1) - B2:1
    • A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.
  874. Waste Product (1) - B1:1
    • A chemical substance released by cells as a by-product of metabolic reactions.
  875. Energy Transfer diagram (1) - 2P:1
    • A clear drawing with a set of rules which shows the change in energy in different bodies.
  876. Lactic acid (1) - 6B:1
    • A colourless syrupy organic acid formed in sour milk, and produced in the muscle tissues during strenuous exercise.
  877. Circuit (1) - P1:1
    • A complete and closed path around which a circulating electric current can flow.
  878. Halide (1) - C2:1
    • A compound containing a group 7 element.
  879. Stent (1) - B1:1
    • A device used to open up arteries to allow more blood to flow through it.
  880. Food chain (1) - 3B:1
    • A diagram to show the energy transferred through eating.
  881. Dot cross diagram (1) - C1:1
    • A diagram used to represent the transfer of electrons in a chemical bond.
  882. Random Error (1) - 1C:1
    • A difference between a measurement and the true value, that is different every time a measurement is made.
  883. Double Circulatory System (1) - B1:1
    • A double loop circulatory system has 2 loops with oxygen-poor blood and oxygen-rich blood, that don't mix.
  884. Statin (1) - B1:1
    • A drug taken to reduce blood cholesterol.
  885. Cornea (1) - 7P:1
    • A fixed lens on the front of the eye
  886. Electricity (1) - 5P:1
    • A flow of energy through charged particles.
  887. Water resistance (1) - 1P:1
    • A force created on a body moving through water.
  888. Thrust (1) - 1P:1
    • A force from an engine.
  889. Galaxies (1) - P2:1
    • A galaxy can contain many millions of stars, held together by the force of gravity.
  890. Solar power (1) - 5P:1
    • A generation device which converts light to electrical energy.
  891. Gland (1) - B2:1
    • A gland is a group of cells in an animal's body that makes substances like hormones.
  892. Insulin (1) - B2:1
    • A hormone, produced by the pancreas, that regulates glucose concentrations in the blood.
  893. Kiln (1) - 7C:1
    • A hot oven used for baking clay into ceramics.
  894. Cytoplasm (1) - 1B:1
    • A jelly like substance tha makes up the majority of the cell.
  895. Animal (1) - 1B:1
    • A living organism which feeds on other orgasms for food.
  896. Plant (1) - 1B:1
    • A living organism which makes its own food.
  897. Meteorites (1) - 8C:1
    • A lump of rock that lands on Earth.
  898. Cancer (1) - B1:1
    • A malignant growth resulting from an uncontrolled division of cells.
  899. Light year (1) - 3P:1
    • A measure of distance, described by how far light travels in one year.
  900. Roughness (1) - 1P:1
    • A measure of the microscopic surface of an object.
  901. Partially-Permeable (1) - B1:1
    • A membrane that allows certain chemicals to pass through it but not others.
  902. Metal carbonate (1) - C1:1
    • A metal that contains carbon and oxygen.
  903. Denitrification (1) - C2:1
    • A microbially facilitated process where nitrate is reduced and ultimately produces molecular nitrogen..
  904. Formulation (1) - C2:1
    • A mixture where components are carefully measured before being mixed to give a desired set of properties.
  905. molecules (1) - C1:1
    • A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.
  906. Ore (1) - C2:1
    • A naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.
  907. Nebula (1) - P2:1
    • A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
  908. Lens (1) - 7P:1
    • A part of the eye that can change shape to vary how light is refracted.
  909. Instantaneous (1) - 3P:1
    • A point where it has been assumed that time has not moved on.
  910. polypeptides (1) - C1:1
    • A polymer made of amino acids.
  911. Dialysis (1) - B2:1
    • A procedure to remove waste products and excess fluid from the blood when the kidneys stop working properly.
  912. Acid rain (1) - C2:1
    • A rain or any other form of precipitation that is unusually acidic.
  913. Rarefaction (1) - P2:1
    • A rarefaction is a region in a longitudinal wave where the particles are furthest apart.
  914. Ratio (1) - C1:1
    • A ratio is a way to compare amounts of something
  915. polymerisation (1) - C1:1
    • A reaction between monomers to create polymers.
  916. Negative Feedback Cycle (1) - B2:1
    • A reaction that causes a decrease in function
  917. Electric field (1) - P1:1
    • A region around a charged particle or object within which a force would be exerted on other charged particles or objects.
  918. Correlation (1) - B1:1
    • A relationship or connection between two factors, often see on a graph.
  919. Linear relationship (1) - P1:1
    • A relationship that is directly proportional
  920. Finite (1) - C2:1
    • A resource that does not renew itself at a sufficient rate for sustainable economic extraction in meaningful human time-frames.
  921. Diffused reflection (1) - P2:1
    • A rough surface will produce diffused reflection with scattered reflection of the waves.
  922. Satellite (1) - P2:1
    • A satellite is an object that orbits a larger object in space.
  923. Satellites (1) - P2:1
    • A satellite is an object that orbits a larger object in space.
  924. SI unit (1) - 3P:1
    • A set of base measurements to standardise science.
  925. Process (1) - 2P:1
    • A set of reactions or steps which result in a change.
  926. Hemispheres (1) - 3P:1
    • A shape created by removing half a sphere, through a plane which crosses the centre point.
  927. monomer (1) - C1:1
    • A small unit component that can be used to make a polymer.
  928. Dilute (1) - C2:1
    • A solution containing a relatively small quantity of solute as compared with the amount of solvent.
  929. Exchange surface (1) - B1:1
    • A specific surface in an organism adapted to transfer lots of chemicals across it, normally into or out of the blood.
  930. Neutral (1) - C1:1
    • A substances that has a pH of 7. Equal number of OH- and H ions
  931. Supernova (1) - P2:1
    • A supernova is the explosion of a star -- the largest explosion that takes place in space.
  932. National grid (1) - 5P:1
    • A system of power lines which link up all around the UK.
  933. Ripple tank (1) - 4P:1
    • A tank where wave effects can be easily shown.
  934. Chromatography (1) - C2:1
    • A technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
  935. Cell membrane (1) - 1B:1
    • A thin barrier which holds the cell together.
  936. Variable (1) - 3P:1
    • A thing which can change.
  937. Synapse (1) - B2:1
    • A tiny gap at the junction between two nerve cells, which nerve signals must cross.
  938. Relative formula Mass (1) - C1:1
    • A total of all the atomic mass values for all the atoms in a formula.
  939. Benign (1) - B1:1
    • A tumour that does not spread to other parts of the body.
  940. Malignant (1) - B1:1
    • A tumour where cells can spread to other parts of the body creating new tumours.
  941. Protists (1) - B1:1
    • A type of pathogen
  942. Tumour (1) - B1:1
    • Abnormal growth of cells in the body producing a swelling or lump.
  943. Universe (1) - P2:1
    • All of space and time, energy and matter.
  944. Draft (1) - 5P:1
    • Amount of boat under water
  945. Activation Energy (1) - C1:1
    • Amount of energy required for a reaction to occur
  946. Dominant (1) - B2:1
    • An allele that will always give its characteristic if present in the genotype.
  947. Recessive (1) - B2:1
    • An allele that will only give its characteristic if no dominant allele is present in the genotype.
  948. Alloy (1) - C1:1
    • An alloy is a mixture of two elements, one of which is a metal. substance made of a metal bond
  949. Allele (1) - B2:1
    • An alternate version of gene giving a different variation of the characteristic.
  950. Negative ion (1) - C1:1
    • An atom that has gained an electron.
  951. Positve ion (1) - C1:1
    • An atom that has lost an electron.
  952. Mean (1) - 1C:1
    • An average that is the middle of a set of numbers.
  953. Circuits (1) - P2:1
    • An electric circuit is a path in which electrons from a voltage or current source flow
  954. Alternating current (1) - P1:1
    • An electric current that reverses its direction many times a second at regular intervals
  955. Unreactive (1) - C1:1
    • An element that does not form compounds with other elements
  956. Constant speed (1) - 1P:1
    • An object which is neither accelerating or decelerating. This object may be stationary.
  957. Receptor (1) - B2:1
    • An organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
  958. Permanent Vacuole (1) - 1B:1
    • An organelle that contains cell sap.
  959. Diuretic (1) - B2:1
    • Any substance that promotes dieresis, the increased production of urine.
  960. Aphids (1) - B1:1
    • Aphids are small sap-sucking insects
  961. Pseudopodia (1) - 1B:1
    • Are false feet found on Protoza to move about and to surround food and take it inside the cell.
  962. Hinge (1) - 1B:1
    • Back and forth without twisting.
  963. Retina (1) - 7P:1
    • Back of the eye that contains cells that transform light energy into electrical signals.
  964. base (1) - C1:1
    • Bases are substances that react with acids and neutralise them.
  965. Covalent (1) - C1:1
    • Bonding between two non metals.
  966. Covalent bonding (1) - C1:1
    • Bonding occurs between two non metals
  967. Ionic bonding (1) - C1:1
    • Bonding that occurs between a metal and a non metal.
  968. Ulna (1) - 1B:1
    • Bone found in the lower arm.
  969. Accumulate (1) - 2B:1
    • Builds up over time
  970. Tough (1) - 7C:1
    • Can absorb energy quickly without breaking.
  971. Ductile (1) - 7C:1
    • Can be drawn out into a thread.
  972. Malleable (1) - 7C:1
    • Can be hammered into shape.
  973. Brittle (1) - 7C:1
    • Can not absorb energy quickly or bend without breaking.
  974. Optic Nerve (1) - 7P:1
    • Carries electrical signals from the eye to the brain.
  975. Relay Neurone (1) - B2:1
    • Carry messages from one part of the CNS to another.
  976. Sensory Neurone (1) - B2:1
    • Carry signals from receptors to the spinal cord and brain.
  977. Motor Neurone (1) - B2:1
    • Carry signals from the CNS to effectors.
  978. Mitosis (1) - B1:1
    • Cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
  979. Specialised (1) - B1:1
    • Cell that is adapted to perform a particular function in the body.
  980. Palisade cell (1) - 3B:1
    • Cells in a leaf which do most photosynthesis.
  981. Electrolysis (1) - C2:1
    • Chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  982. Bile (1) - B1:1
    • Chemical made in the liver that neutralises stomach acid and emulsify fats.
  983. Hormones (1) - B2:1
    • Chemical messengers that travel in the bloodstream.
  984. Toxic (1) - 2B:1
    • Chemical that is harmful if consumed
  985. Clavicle (1) - 1B:1
    • Collar bone
  986. Parallel (1) - P1:1
    • Components connected in parallel are connected along multiple paths.
  987. Series (1) - P1:1
    • Components connected in series are connected along a single path.
  988. Hormonal contraception (1) - B2:1
    • Controlled by chemicals that travel through the bloodstream.
  989. Recycle (1) - C2:1
    • Convert waste materials into reusable products.
  990. Evaluation (1) - B2:1
    • Criticism of the investigation to see how effective the method was.
  991. Crop (1) - B1:1
    • Cultivated plant grown commercially.
  992. Work (1) - P1:1
    • Defined as the product of a force and the distance over which the force is applied. Measured in joules.
  993. Analysis (1) - C2:1
    • Detailed examination of the elements or structure of something.
  994. Diamond (1) - C1:1
    • Diamond has a giant molecular structure. Each carbon atom is covalently bonded to four other carbon atoms.
  995. Infectious (1) - B1:1
    • Diseases that can be passed from person to person through touch, air, water, bodily fluids.
  996. Antibiotics (1) - B1:1
    • Drugs that are used to destroy bacteria that infectious diseases.
  997. Electric motor (1) - P2:1
    • Electric motors transfer electrical energy into kinetic energy, using magnets and coils of wire. There is a relationship between electrical power, voltage and current (power = voltage × current).
  998. DEMO (1) - 8P:1
    • Electrical components
  999. Delocalised (1) - C1:1
    • Electrons are free to move.
  1000. GF (1) - C1:1
    • Explain why pure water does not conduct electricity but tap water does conduct electricity.
  1001. Bioleaching (1) - C2:1
    • Extraction of metals from their ores through the use of living organisms.
  1002. Domestic (1) - P1:1
    • For use in the home rather than in an industrial or office environment.
  1003. Upthrust (1) - 5P:1
    • Force caused by the displacement of water.
  1004. bone marrow (1) - 1B:1
    • Found in bones and produces blood cells.
  1005. Photo (1) - 3B:1
    • Greek for the word light
  1006. Cell Cycle (1) - B1:1
    • Growth and reproduction of cells consisting of different stages including interphase and mitosis.
  1007. Static (1) - P1:1
    • Having no motion.
  1008. Thermal (1) - 4C:1
    • Heat
  1009. Pupil (1) - 7P:1
    • Hole in front of eye, through which light enters.
  1010. Precision (1) - B2:1
    • How close two or more measurements are to each other.
  1011. Hardness (1) - 7C:1
    • How difficult a material is to scratch.
  1012. Rate of reaction (1) - B1:1
    • How fast a reaction takes place.
  1013. Fertility (1) - B2:1
    • How likely someone is to produce viable offspring.
  1014. Efficient (1) - 2P:1
    • How much energy is transformed or transferred from one source/type into another wanted body/type.
  1015. Validity (1) - B2:1
    • How well the results answer the aim.
  1016. Risks (1) - 2P:1
    • How you could be harmed
  1017. Alkenes (1) - C1:1
    • Hydrocarbons that contain double bonds.
  1018. Expanding Universe (1) - P2:1
    • Idea that Universe itself is increasing in size.
  1019. Vein (1) - B1:1
    • Impermeable blood vessel that carries blood back to the heart.
  1020. Artery (1) - B1:1
    • Impermeable blood vessel that carries blood from the heart.
  1021. Rf Value (1) - C2:1
    • In chromatography is the distance travelled by a given component divided by the distance travelled by the solvent front.
  1022. Horizontally (1) - 6B:1
    • In line with the horizon.
  1023. longitudinal (1) - P2:1
    • In longitudinal waves, the oscillations are along the same direction as the direction of travel and energy
  1024. transverse (1) - P2:1
    • In transverse waves, the oscillations (vibrations) are at right angles to the direction of travel and energy transfer.
  1025. Fat (1) - B1:1
    • Insoluble molecule made of glycerol and fatty acids.
  1026. Method (1) - 2P:1
    • Instructions on how to carry out the experiment
  1027. Voltmeter (1) - P1:1
    • Instrument used to measure Voltage.
  1028. Sodium Chloride (1) - C1:1
    • Ionic Compound
  1029. lattice (1) - C1:1
    • Ionic compounds have regular structures in which there are strong electrostatic forces of attraction in all directions between oppositely charged ions.
  1030. Ligaments (1) - 1B:1
    • Joints are held together bone to bone by ligaments.
  1031. Planets (1) - P2:1
    • Large object of matter that orbits a star.
  1032. Sound Waves (1) - P2:1
    • Longitudinal waves that transfer energy as vibrations in particles.
  1033. Condensation reaction (1) - C1:1
    • Losing water during a reaction.
  1034. Loudspeaker (1) - P2:1
    • Loudspeakers transform electrical signals into sound. Inside a loudspeaker there is a permanent magnet. An electromagnet attached to the speaker cone is inside the magnet field of the permanent magnet.
  1035. Ventricles (1) - B1:1
    • Lower chambers of the heart that pump the blood out of the heart.
  1036. Spine (1) - 1B:1
    • Made up of Vertebrae which connect the Pelvis to Skull.
  1037. Immune System (1) - B1:1
    • Made up of white blood cells, antibodies and antitoxins
  1038. Poles (1) - P2:1
    • Magnet have a north and south pole.
  1039. Sterilise (1) - C2:1
    • Make (something) free from bacteria or other living microorganisms.
  1040. Reduce (1) - C2:1
    • Make smaller or less in amount, degree, or size.
  1041. Sonorous (1) - 7C:1
    • Makes a ringing sound when struck.
  1042. Molten (1) - 8C:1
    • Melted
  1043. Metal Oxide (1) - C1:1
    • Metal that contains Oxygen
  1044. Contraception (1) - B2:1
    • Methods of preventing pregnancy that are either chemical or physical.
  1045. Pathogens (1) - B1:1
    • Microorganisms that can transmit infectious diseases
  1046. Receding (1) - P2:1
    • Moving further away from its original position.
  1047. amine group (1) - C1:1
    • NH2
  1048. Nanoparticles (1) - C1:1
    • Nanoparticles, are smaller than fine particles (PM2.5), which have diameters between 100 and 2500 nm
  1049. Constant (1) - 3P:1
    • Neither increasing or decreasing.
  1050. Conservation of Mass (1) - C1:1
    • No atoms are lost or made during a chemical reaction. This means that the mass is always conserved.
  1051. Fixed (1) - 1B:1
    • No movement
  1052. Multicellular (1) - B1:1
    • Organism made of more than one cell.
  1053. Clone (1) - B1:1
    • Organism that is genetically identical to another.
  1054. Volunteers (1) - B1:1
    • People who offer to test out new drugs to see their side affects
  1055. Capillary (1) - B1:1
    • Permeable blood vessel with a wall one cell thick where exchange between the blood and cells of the body takes place.
  1056. Crops (1) - 2B:1
    • Plants grown for food
  1057. Dark energy (1) - P2:1
    • Process causing the Universe to speed up.
  1058. Polymers (1) - C1:1
    • Produced when monomers react.
  1059. Burning (1) - 4C:1
    • Producing or having a flame.
  1060. Protozoa (1) - 1B:1
    • Protozoa are single-celled organisms.,
  1061. Rib cage (1) - 1B:1
    • Provide a moveable cage to enclose and protect the lungs
  1062. Skeleton (1) - 1B:1
    • Provides several functions including support, protection, movement and making blood cells.
  1063. Measurement (1) - 1C:1
    • Putting a value to some dimension.
  1064. Extraction (1) - C1:1
    • Removal of a useful substance from a compound
  1065. Asexual Reproduction (1) - B2:1
    • Reproduction from one parent producing an identical clone of the parent.
  1066. Sexual Reproduction (1) - B2:1
    • Reproduction involving two parents creating unique offspring
  1067. Non-Renewable (1) - 5P:1
    • Resources which cannot be replenished.
  1068. Ball and socket (1) - 1B:1
    • Rotation in all directions.
  1069. Science (1) - 0S:1
    • Science is the logical human effort to understand the working and history of the natural world and the Universe.
  1070. Limiting factor (1) - C1:1
    • Search Results
  1071. Seasons (1) - 3P:1
    • Set periods of time with different weather caused by the rotation of the earth around the sun.
  1072. Lustrous (1) - 7C:1
    • Shiny
  1073. Simple molecule (1) - C1:1
    • Simple molecules contain only a few atoms held together by covalent bonds.
  1074. Cells (1) - B1:1
    • Smallest part of a living
  1075. Buffer (1) - B1:1
    • Solution at a set pH and remains at that pH.
  1076. Dark mass (1) - P2:1
    • Some of the observations of the universe, such as the spinning rates of galaxies, cannot easily be explained using our current theories about gravity. Scientists have suggested that the matter we can see – stars, planets and galaxies – are only part of the mass of the universe. They have suggested that most of the mass is actually matter we cannot see, called dark matter.
  1077. Exchange Surface (1) - B1:1
    • Specially adapted part of an organism for the movement of chemicals across it, often to and from the blood.
  1078. Rare Species (1) - B1:1
    • Species that has few individuals and often endangered with extinction.
  1079. Embryonic Stem Cell (1) - B1:1
    • Stem cell that has the potential to become any type of cell in the body.
  1080. Meristem (1) - B1:1
    • Stem cells in plants.
  1081. Step down transformers (1) - P2:1
    • Step down current, step down voltage.
  1082. Step Up transformers (1) - P2:1
    • Step up voltage, step down current.
  1083. Nucleotide (1) - B2:1
    • Subunit of DNA made of a sugar, phosphate group and one of 4 bases (A,T,C or G)
  1084. Flagella (1) - 1B:1
    • Tails found on bacteria that allows them to swim.
  1085. Pitch (1) - 4P:1
    • The
  1086. Solar system (1) - P2:1
    • The Solar System consists of the Sun with planets in orbit around it.
  1087. Sun (1) - P2:1
    • The Sun is a star. It gives out heat and light through nuclear fusion.
  1088. Dose (1) - B1:1
    • The amount of drug given to a patient/volunteer
  1089. Charge flow (1) - P1:1
    • The amount of electricity travelling through a circuit
  1090. Raw material (1) - C2:1
    • The basic material from which a product is made.
  1091. Optimum dose (1) - B1:1
    • The best amount of drug to treat a disease effectively
  1092. Synthesis (1) - 3B:1
    • The bonding together of small particles to form bigger particles.
  1093. Cell wall (1) - 1B:1
    • The cellulose layer around certain cells
  1094. Nuclei (1) - P2:1
    • The centre of an atom made of protons and neutrons.
  1095. Conditions (1) - 5P:1
    • The circumstances of a system, such as room temperature.
  1096. Iris (1) - 7P:1
    • The coloured part of the eye.
  1097. Condensation (1) - C2:1
    • The conversion of a vapour or gas to a liquid.
  1098. Life cycle (1) - P2:1
    • The different stages of the development of a star.
  1099. Diffract (1) - 4P:1
    • The dispersion of waves in a tank.
  1100. Depth (1) - 5P:1
    • The distance from the surface.
  1101. Penicillin (1) - B1:1
    • The first antibiotic to be discovered.
  1102. Reaction force (1) - 1P:1
    • The force a compressed solid pushes back with.
  1103. Magnetic Force (1) - P2:1
    • The force that arises due to the motion of charged particle within the magnetic field is known as the magnetic force. It is an outcome of the electromagnetic force.
  1104. Fullerenes (1) - C1:1
    • The fullerenes are a large class of allotropes of carbon and are made of balls, 'cages' or tubes of carbon atoms. Buckminster fullerene is one type of fullerene.
  1105. Direction of motion (1) - 1P:1
    • The line of travel of an object.
  1106. Homeostasis (1) - B2:1
    • The maintenance of steady conditions. The ability of the body to maintain a constant internal environment, e.g. temperature and blood glucose concentration.
  1107. Purity (1) - C2:1
    • The measure of how pure a substance is.
  1108. mole (1) - C1:1
    • The mole is the unit of measurement for amount of a substance
  1109. Motor effect (1) - P2:1
    • The motor effect is the term used when a current-carrying wire in the presence of a magnetic field experiences a force.
  1110. motor effect (1) - P2:1
    • The motor effect is the term used when a current-carrying wire in the presence of a magnetic field experiences a force.
  1111. Disperse (1) - 2P:1
    • The movement of one entity in high concentration to a larger area.
  1112. Osmosis (1) - B1:1
    • The movement of water down its concentration across a partially permeable membrane.
  1113. National Grid (1) - P1:1
    • The network of high-voltage power lines that connect major power stations to consumers.
  1114. Nervous system (1) - B2:1
    • The network of nerve cells and fibers which transmits nerve impulses between parts of the body.
  1115. Tilt (1) - 3P:1
    • The offset of one axis with relation to another.
  1116. Genome (1) - B2:1
    • The order of all the bases in the entire DNA of an organism.
  1117. Effector (1) - B2:1
    • The organ, tissue or cell that produces a response.
  1118. Active Site (1) - B1:1
    • The part of the enzyme that the substrate binds to.
  1119. Uterus (1) - B2:1
    • The part of the female reproductive system where a fertilised egg will mature into fetus.
  1120. Central Nervous System (1) - B2:1
    • The part of the nervous system made up of the brain and spinal cord.
  1121. Metallic bonding (1) - C1:1
    • The particles in a metal are held together by metallic bonds.
  1122. Reflex Arc (1) - B2:1
    • The pathway of information from a sensory neuron through an inter neuron to a motor neuron.
  1123. Puberty (1) - B2:1
    • The period at which an organism begins to mature into an adult.
  1124. Stationary phase (1) - C2:1
    • The phase of a chromatography system on which the materials to be separated are selectively adsorbed.
  1125. Phytomining (1) - C2:1
    • The planting (and subsequent harvesting) of vegetation that will selectively concentrate specific metals from the soil into their tissues.
  1126. Dynamic Equilibrium (1) - C2:1
    • The point at which both forward and backward reactions are taking place at the same rate. The concentrations of the reactants and products are constant, but are not necessarily equal.
  1127. Atmospheric pressure (1) - 5P:1
    • The pressure caused by the weight of the atmosphere.
  1128. Reproduction (1) - B2:1
    • The process of creating offspring from one or two parents.
  1129. Desalination (1) - C2:1
    • The process of removing salt from seawater.
  1130. Substrate (1) - B1:1
    • The reactant or reactants that the enzyme catalases the reaction for.
  1131. Hooke's law (1) - 1P:1
    • The relationship which describes how force increases with extension.
  1132. Purification (1) - C2:1
    • The removal of contaminants from something.
  1133. Le Chatelier (1) - C2:1
    • The scientist who developed the theory used to predict the effect of changing conditions upon a chemical equilibrium.
  1134. Impulse (1) - B2:1
    • The signal that travels along the length of a nerve fiber.
  1135. Monomer (1) - C1:1
    • The smallest unit of a polymer.
  1136. Lock and Key (1) - B1:1
    • The specific way that the exact substrate fits the exact enzyme.
  1137. Germination (1) - B2:1
    • The start of growth in a seed.
  1138. Polarity (1) - P2:1
    • The state of being a north pole or south pole; the magnetic equivalent of electric charge
  1139. Physical Health (1) - B1:1
    • The state of how well the body performs physical tasks.
  1140. Mental Health (1) - B1:1
    • The state of psychological well-being.
  1141. Volume ratio (1) - C1:1
    • The surface-area-to-volume ratio, also called the surface-to-volume ratio and variously denoted sa/vol or SA:V, is the amount of surface area per unit volume of an object or collection of objects.
  1142. Boiling Point (1) - C1:1
    • The temperature at which a change of state occurs from a liquid to a gas.
  1143. Surface Area (1) - B1:1
    • The total area of a surface.
  1144. atomic number (1) - C1:1
    • The total number of protons in an element.
  1145. Watts (1) - 5P:1
    • The unit of measurement of power
  1146. Seed (1) - B2:1
    • The unit of reproduction of a flowering plant.
  1147. Femur (1) - 1B:1
    • The upper arm bone
  1148. Instrumental method (1) - C2:1
    • The use of instruments to separate, identify, and quantify matter.
  1149. Independent (1) - 3P:1
    • The variable you change.
  1150. Surface Area to Volume Ratio (1) - B1:1
    • The volume of an object compared to the surface area it has.
  1151. Climate (1) - C2:1
    • The weather conditions prevailing in an area in general or over a long period.
  1152. Big-Bang Theory (1) - P2:1
    • Theory that states the universe as we know it started with a small singularity, that inflated over the next 13.8 billion years to the cosmos that we know today.
  1153. Resources (1) - 8C:1
    • Things that are used to do something.
  1154. Risks (1) - B2:1
    • Things that could bring about harm or damage.
  1155. Qualitative test (1) - C2:1
    • This type of test identifies whether a substance is present, but not how much of it exists. A common example would be using a pH indicator to see if an acid is present.
  1156. Blood (1) - B1:1
    • Tissue that is liquid and has the role of transporting substances around the body.
  1157. Combined (1) - 1P:1
    • Two or more entities adding into one single entity
  1158. Spring (1) - 1P:1
    • Typically a coil of a material which is able to store a high amount of elastic potential energy.
  1159. Caner (1) - B1:1
    • Uncontrollable growth of cells
  1160. Atria (1) - B1:1
    • Upper chambers of the heart that collect blood.
  1161. Reuse (1) - C2:1
    • Use again or more than once.
  1162. Life cycle assessment (1) - C2:1
    • Used as a tool to assess the environmental impacts of a product, process or activity throughout its life cycle.
  1163. Circuit diagram (1) - P1:1
    • Various electrical components are shown by using standard symbols in circuit diagrams.
  1164. Flu (1) - B1:1
    • Viral infection
  1165. TMV (1) - B1:1
    • Viral infection
  1166. HIV (1) - B1:1
    • Viral infection
  1167. Measles (1) - B1:1
    • Viral infection.
  1168. Sewage (1) - C2:1
    • Waste water and excrement conveyed in sewers
  1169. Potable (1) - C2:1
    • Water that is safe to drink.
  1170. intermolecular forces of attraction (1) - C1:1
    • Weak forces between the molecules
  1171. Prediction (1) - 2P:1
    • What you think will happen
  1172. reflected (1) - 7P:1
    • When a wave bounces off.
  1173. Red-shift (1) - P2:1
    • When an object moves away from an observer, the light has its wavelength stretched, 'shifting' it to the red end of the visible spectrum.
  1174. Bioaccumulation (1) - 2B:1
    • When low level organisms are ingested by higher level ones contain toxic materials that are dangerous
  1175. Germinated (1) - 3B:1
    • When seeds start to grow.
  1176. absorbed (1) - 7P:1
    • When the energy of the wave is transferred to a material.
  1177. Balancing equations (1) - C1:1
    • When the total number of atoms in the reactants equals the total number of atoms in the products.
  1178. Balanced equations (1) - C1:1
    • When the total number of atoms in the reactants equals the total number of atoms in the products.
  1179. Elastically (1) - 5P:1
    • Where an object returns to its original shape when the force is removed.
  1180. Separation of charge (1) - 6P:1
    • Where charged particles move to a point where the attractive forces become too weak to hold them together.
  1181. Coronary Heart Disease (1) - B1:1
    • Where the coronary arteries become blocked, starving the heart muscle cells of oxygen.
  1182. Causal (1) - B1:1
    • Where there is an explanation of how one factor causes a change in another.
  1183. Contact (1) - 1P:1
    • Where there two objects do touch each other.
  1184. Wave Superposition (1) - 4P:1
    • Where two or more waves are laid over each other adding and cancelling.
  1185. Nuclear weapon (1) - P1:1
    • a bomb or missile that uses nuclear energy to cause an explosion.
  1186. Adaptation (1) - B1:1
    • a change that an organism goes through in order to become better suited to its environment.
  1187. Solenoid (1) - P2:1
    • a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it
  1188. Hazard (1) - P1:1
    • a danger or risk.
  1189. Detector (1) - P2:1
    • a device or instrument designed to detect the presence of a particular object or substance.
  1190. Appliance (1) - P1:1
    • a device or piece of equipment designed to perform a specific task.
  1191. Beta (1) - P1:1
    • a fast-moving electron emitted by radioactive decay of substances.
  1192. Characteristics (1) - B2:1
    • a feature or quality of an organism used to identify them.
  1193. Greenhouse gas (1) - C2:1
    • a gas that contributes to the greenhouse effect by absorbing infrared radiation.
  1194. Cystic Fibrosis (1) - B2:1
    • a genetic disorder that alters the mucus in the body affecting the lungs and digestion.
  1195. Molecule (1) - B1:1
    • a group of atoms, either the same or different, bonded together.
  1196. Colony (1) - B1:1
    • a group of fungi or bacteria grown from a single spore or cell on a culture medium.
  1197. Species (1) - B2:1
    • a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
  1198. Alpha (1) - P1:1
    • a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  1199. Alpha particle (1) - P1:1
    • a helium nucleus emitted by some radioactive substances.
  1200. Cosmic rays (1) - P1:1
    • a highly energetic atomic nucleus or other particle travelling through space at a speed approaching that of light.
  1201. Conclusion (1) - B2:1
    • a judgement or conclusion reached after investigation.
  1202. permanent magnet (1) - P2:1
    • a magnet that retains its magnetic properties in the absence of an inducing field or current.
  1203. Precaution (1) - P1:1
    • a measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening.
  1204. Antibiotics (1) - B2:1
    • a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.
  1205. Electron microscope (1) - B1:1
    • a microscope with high magnification and resolution, employing electron beams in place of light and using electron lenses.
  1206. Yeast (1) - B1:1
    • a microscopic fungus consisting of single oval cells that reproduce by budding.
  1207. Prokaryote (1) - B1:1
    • a microscopic, single-celled organism with no distinct membrane-bound organelles.
  1208. Hydrocarbon (1) - C2:1
    • a molecule consisting of only hydrogen and carbon.
  1209. Fossil fuel (1) - C2:1
    • a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
  1210. Cuttings (1) - B2:1
    • a piece cut from a plant for propagation.
  1211. Genus (1) - B2:1
    • a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name, e.g. Leo.
  1212. Exothermic (1) - B1:1
    • a reaction that releases energy into the environment.
  1213. Endothermic (1) - B1:1
    • a reaction that takes in energy from the surroundings.
  1214. Specimen (1) - 1B:1
    • a sample of a substance or material for examination
  1215. Homologous (1) - C2:1
    • a series of chemical compounds
  1216. Aqueous (1) - C1:1
    • a solution of solute and water solvent
  1217. Hydroxide (1) - C1:1
    • a solution that contains OH- ions
  1218. Aqueous solution (1) - C2:1
    • a solution where the solvent is water.
  1219. Neurone (1) - B2:1
    • a specialized cell transmitting nerve impulses; a nerve cell.
  1220. Proton (1) - P1:1
    • a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
  1221. Electron (1) - P1:1
    • a stable subatomic particle with a charge of negative electricity.
  1222. Equilibrium (1) - C2:1
    • a state in which a process and its reverse are occurring at equal rates so that no overall change is taking place.
  1223. MRSA (1) - B2:1
    • a strain of antibiotic-resistant bacteria.
  1224. Neutron (1) - P1:1
    • a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  1225. Synthetic (1) - C2:1
    • a substance made by chemical synthesis, especially to imitate a natural product.
  1226. Enzymes (1) - C2:1
    • a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  1227. Catalyst (1) - C2:1
    • a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  1228. Pollutant (1) - C2:1
    • a substance that pollutes something, especially water or the atmosphere.
  1229. Emitter (1) - P2:1
    • a substance that will transfer energy to its surroundings
  1230. Polymer (1) - C2:1
    • a substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
  1231. Standard form (1) - B1:1
    • a system of writing very large or very small numbers to make it more manageable.
  1232. Stimulus (1) - B2:1
    • a thing or event that evokes a specific functional reaction in an organ or tissue.
  1233. absorber (1) - P2:1
    • a thing or person that soaks up or absorbs something
  1234. Chromosomes (1) - B2:1
    • a thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
  1235. X-ray (1) - P2:1
    • a type of ionising radiation
  1236. non-metal (1) - C1:1
    • accept electrons to form compounds
  1237. neutralisation (1) - C1:1
    • acid base --> salt water
  1238. Benefits (1) - B2:1
    • advantages or profits made from something.
  1239. Dose (1) - P1:1
    • an amount of ionizing radiation received or absorbed at one time or over a specified period.
  1240. Isotope (1) - C1:1
    • an atom of the same element with the same number of protons but a different number of neutrons.
  1241. Direct current (1) - P1:1
    • an electric current flowing in one direction only.
  1242. Organism (1) - B2:1
    • an individual animal, plant, or single-celled life form.
  1243. Microscope (1) - B1:1
    • an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.
  1244. Carboxylic acid (1) - C2:1
    • an organic acid containing a carboxyl group.
  1245. Eukaryote (1) - B1:1
    • an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus.
  1246. Embryo (1) - B2:1
    • an unborn or unhatched offspring in the process of development.
  1247. Stem Cell (1) - B1:1
    • an undifferentiated cell capable of becoming various types of cell.
  1248. Halogen (1) - C2:1
    • any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive non-metallic elements which form strongly acidic compounds with hydrogen from which simple salts can be made.
  1249. Alkene (1) - C2:1
    • any of the series of unsaturated hydrocarbons containing a double bond.
  1250. Alcohols (1) - C2:1
    • any organic compound whose molecule contains one or more hydroxyl groups attached to a carbon atom.
  1251. Delocalised electrons (1) - C1:1
    • are electrons in a molecule, ion or solid metal that are not associated with a single atom
  1252. Force arrows (1) - 1P:1
    • arrows which show the direction of a force on a body
  1253. electrostatic forces of attraction (1) - C1:1
    • attraction in all directions between oppositely charged ions.
  1254. Intercostal (1) - 6B:1
    • between ribs
  1255. Interbreeding (1) - B2:1
    • breeding between species in order to form viable offspring.
  1256. Selective breeding (1) - B2:1
    • breeding certain plants or animals together in order to pass on desired characteristics
  1257. Evaporation (1) - C1:1
    • change in state from liquid to gas.
  1258. Modification (1) - B2:1
    • changes or adaptations made to something.
  1259. properties (1) - C1:1
    • characteristics of a substance
  1260. Organic (1) - C2:1
    • compounds containing carbon other than simple binary compounds and salts and chiefly or ultimately of biological origin.
  1261. Giant covalent (1) - C1:1
    • contain a lot of non-metal atoms, each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular
  1262. Cracking (1) - C2:1
    • decompose hydrocarbons by heat and pressure with or without a catalyst to produce lighter hydrocarbons, especially in oil refining.
  1263. Braking distance (1) - P2:1
    • distance travelled by a moving object whilst the brakes are applied before stopping
  1264. Thinking distance (1) - P2:1
    • distance travelled by a moving object whilst the driver processes they need to stop
  1265. Fission (1) - P1:1
    • division or splitting into two or more parts.
  1266. metals (1) - C1:1
    • donates electrons to form compounds
  1267. Element (1) - P1:1
    • each of more than one hundred substances that cannot be chemically broken down into simpler substances and are primary constituents of matter.
  1268. Fraction (1) - C2:1
    • each of the portions into which a mixture may be separated according to a physical property such as boiling point or solubility.
  1269. Allele (1) - B2:1
    • each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
  1270. Industry (1) - C2:1
    • economic activity concerned with the processing of raw materials and manufacture of goods in factories.
  1271. stable (1) - C1:1
    • elements that are not reactive because they have a full outside shell of electrons
  1272. Metals (1) - C1:1
    • elements that donate electrons to form compounds
  1273. Magnification (1) - P2:1
    • enlarging an image
  1274. Variables (1) - 2P:1
    • factors that can affect your results
  1275. Mobile phase (1) - C2:1
    • flows through the stationary phase and carries the components of the mixture with it.
  1276. Isotope (1) - P1:1
    • forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  1277. source (1) - P2:1
    • from which something originates or can be obtained
  1278. oxidation (1) - C1:1
    • gain of oxygen and loss of electrons.
  1279. Polydactyly (1) - B2:1
    • genetic condition of having extra fingers or toes.
  1280. Halogens (1) - C1:1
    • group of elements in group 7 with similar properties
  1281. Random (1) - P1:1
    • happening without method or conscious decision.
  1282. Fermentation (1) - C2:1
    • he chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
  1283. Filament lamp (1) - P1:1
    • he filament lamp is a common type of light bulb. It contains a thin coil of wire called the filament. This heats up when an electric current passes through it
  1284. Recessive (1) - B2:1
    • heritable characteristics controlled by genes which are expressed in offspring only when inherited from both parents.
  1285. Dominant (1) - B2:1
    • heritable characteristics which are controlled by genes that are expressed in offspring even when inherited from only one parent.
  1286. Rate (1) - B1:1
    • how fast something occurs.
  1287. Vaccination (1) - B1:1
    • inactive virus given to a healthy person
  1288. malformed (1) - B1:1
    • incorrectly shaped stems
  1289. Salt (1) - C1:1
    • ionic compound formed by a metal and a non metal
  1290. Ball and stick model (1) - C1:1
    • is a molecular model of a chemical substance which is to display both the three-dimensional position of the atoms and the bonds between them
  1291. Global dimming (1) - C2:1
    • is the gradual reduction in the amount of global direct irradiance at the Earth's surface.
  1292. Electronic structure (1) - C1:1
    • is the state of motion of electrons in an electrostatic field created by stationary nuclei.
  1293. reflection (1) - P2:1
    • light bounces back from a smooth surface
  1294. Stunted growth (1) - B1:1
    • limited growth
  1295. P-waves (1) - P2:1
    • longitudinal seismic waves
  1296. Sound waves (1) - P2:1
    • longitudinal wave
  1297. Discoloration (1) - B1:1
    • loss of colour in tissues
  1298. Reduction (1) - C1:1
    • loss of oxygen and gain of electrons
  1299. elements (1) - C1:1
    • made up of one type of atom
  1300. Cloning (1) - B2:1
    • making identical copies of an organism or item.
  1301. Fuel (1) - C2:1
    • material such as coal, gas, or oil that is burned to produce heat or power.
  1302. volume (1) - C1:1
    • measure of amount in cm3, mL or dL.
  1303. Excess (1) - C1:1
    • more chemical than required for the reaction to go to completion.
  1304. anion (1) - C1:1
    • negatively charged ion
  1305. Oscillation (1) - P2:1
    • one complete cycle of a wave
  1306. Amino Acid (1) - B2:1
    • one of 24 different subunits joined to make a protein
  1307. Ribosomes (1) - B1:1
    • organelles specialised to synthesis proteins.
  1308. Unsaturated (1) - C2:1
    • organic molecules having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms.
  1309. Vibrations (1) - P2:1
    • ossification around a fixed point
  1310. Litmus paper (1) - C2:1
    • paper stained with litmus which is used to indicate the acidity or alkalinity of a substance.
  1311. Gamma (1) - P1:1
    • penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
  1312. Spontaneous (1) - P1:1
    • performed or occurring as a result of a sudden impulse or inclination and without premeditation or external stimulus.
  1313. physical properties (1) - C1:1
    • physical characteristics of elements
  1314. boundary (1) - P2:1
    • point where two materials of different density meet
  1315. Interface (1) - P2:1
    • point where two mediums meet and interact
  1316. cation (1) - C1:1
    • positively charged ion
  1317. Distillation (1) - C1:1
    • process that can be used to separate a pure liquid from a mixture of liquids.
  1318. Antibodies (1) - B1:1
    • produced by white blood cells, specific to each pathogen
  1319. Focus (1) - P2:1
    • producing clear visual definition
  1320. non metal (1) - C1:1
    • proton acceptor during ionic bonding
  1321. metal (1) - C1:1
    • proton donor during ionic bonding
  1322. Ionising (1) - P2:1
    • radiation that carries enough energy to remove electrons from atoms
  1323. Nuclear fallout (1) - P1:1
    • radioactive particles that are carried into the atmosphere after a nuclear explosion and gradually fall back as dust or in precipitation.
  1324. Mutations (1) - P2:1
    • random changes to DNA
  1325. Specular reflection (1) - P2:1
    • reflection are that the wave bounces back at the same angle if the surface is smooth
  1326. Geological (1) - B2:1
    • relating to the study of the earth's physical structure and substance.
  1327. Decay (1) - B2:1
    • rot or decompose through the action of bacteria and fungi.
  1328. decay (1) - B1:1
    • rotting of tissues
  1329. Alkane (1) - C2:1
    • saturated hydrocarbons with all the carbons occupied by a hydrogen.
  1330. pattern (1) - C1:1
    • similar properties or characteristics
  1331. State of matter (1) - C1:1
    • solids, liquids and gases are called the three states of matter.
  1332. Aqueous solution (1) - C1:1
    • solution in which water is a solvent.
  1333. Factors (1) - P2:1
    • something that could affect something else
  1334. Insoluble (1) - B1:1
    • something that doesn't dissolve in a solvent.
  1335. Inheritance (1) - B2:1
    • something that is passed on.
  1336. Limiting factor (1) - B1:1
    • something that stops the rate of reaction from increasing past a point.
  1337. White blood cells (1) - B1:1
    • specialised cells that destroy pathogens in the blood
  1338. Organelle (1) - B1:1
    • specialised structures found within a cell.
  1339. melting point (1) - C1:1
    • temperature at which a substance changes state from a solid to a liquid
  1340. Embryo screening (1) - B2:1
    • testing cells of an embryo for the presence of any genetic conditions.
  1341. Preclinical testing (1) - B1:1
    • testing done in a laboratory using cells, tissues and live animals.
  1342. Sex Chromosomes (1) - B2:1
    • the 23rd pair of chromosome that determines the sex of the person.
  1343. Sievert (1) - P1:1
    • the SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass.
  1344. Ohms (1) - P1:1
    • the SI unit of electrical resistance, transmitting a current of one ampere when subjected to a potential difference of one volt.
  1345. Division (1) - P1:1
    • the action of separating something into parts or the process of being separated.
  1346. Magnification (1) - B1:1
    • the action of visibly enlarging an image.
  1347. Contamination (1) - P1:1
    • the action or state of making or being made impure by polluting or poisoning.
  1348. Oxidation (1) - C2:1
    • the addition of oxygen to a substance in order to form an oxide.
  1349. Ionisation (1) - C2:1
    • the addition or removal of an electron to create an ion.
  1350. Concentration (1) - B1:1
    • the amount of particles in a given space.
  1351. Technology (1) - P1:1
    • the application of scientific knowledge for practical purposes, especially in industry.
  1352. Classification (1) - B2:1
    • the arrangement of animals and plants in taxonomic groups according to their observed similarities
  1353. Relative atomic mass (1) - C1:1
    • the average mass of an atom when taking into consideration the proportions of the different isotopes of an element.
  1354. Taxonomy (1) - B2:1
    • the branch of science concerned with classification, especially of organisms.
  1355. DNA (1) - B1:1
    • the carrier of genetic information, present in nearly all living organisms.
  1356. Mutations (1) - B2:1
    • the changing of the structure of a gene, resulting in a variant form which may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
  1357. Genome (1) - B2:1
    • the complete set of genes or genetic material present in a cell or organism.
  1358. Photosynthesis (1) - B1:1
    • the conversion of carbon dioxide and water into glucose and oxygen using energy from the sun.
  1359. Culture (1) - B1:1
    • the cultivation of bacteria, tissue cells, etc. in an artificial medium containing nutrients.
  1360. Genetic engineering (1) - B2:1
    • the deliberate modification of the characteristics of an organism by manipulating its genetic material.
  1361. Variation (1) - B2:1
    • the differences between organisms of the same species.
  1362. Cell division (1) - B1:1
    • the division of a cell into two daughter cells with the same genetic material.
  1363. Separation (1) - C2:1
    • the division of something into constituent or distinct elements.
  1364. spectrum (1) - P2:1
    • the entire range of wavelengths of electromagnetic radiation
  1365. Penetration (1) - P1:1
    • the extend to which radioactive wave or particle can pass through an object.
  1366. Mains electricity (1) - P1:1
    • the form of electrical power that is delivered to homes and businesses.
  1367. Speciation (1) - B2:1
    • the formation of new and distinct species in the course of evolution.
  1368. Tissue culture (1) - B2:1
    • the growth of cells derived from living tissue in an artificial medium.
  1369. Cardiovascular (1) - B1:1
    • the heart and blood vessels.
  1370. Kingdom (1) - B2:1
    • the highest category in taxonomic classification.
  1371. Function (1) - B1:1
    • the job or role that something has or is specialised for.
  1372. Cytoplasm (1) - B1:1
    • the liquid material within a cell which is the site of chemical reactions.
  1373. Gamma (1) - P2:1
    • the most ionising electromagnetic wave
  1374. Black Spot Disease (1) - B1:1
    • the most serious disease of roses. It is caused by a fungus
  1375. Translocation (1) - B1:1
    • the movement of materials from one location to another in a plant.
  1376. Diffusion (1) - B1:1
    • the movement of particles from an area of high concentration to low concentration.
  1377. Transpiration (1) - B1:1
    • the movement of water up the plant against the force of gravity.
  1378. Orbit (1) - P1:1
    • the path of an electron round an atomic nucleus.
  1379. Nuclei (1) - P1:1
    • the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  1380. Atomic nucleus (1) - P1:1
    • the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  1381. Irradiation (1) - P1:1
    • the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources.
  1382. Respiration (1) - B1:1
    • the process of taking in oxygen and glucose and converting it into carbon dioxide and water.
  1383. Natural selection (1) - B2:1
    • the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
  1384. Emissions (1) - C2:1
    • the production and discharge of something, especially gas or radiation.
  1385. Emission (1) - P1:1
    • the production and discharge of something, especially gas or radiation.
  1386. Charge (1) - P1:1
    • the property of matter that is responsible for ellectricity existing in a positive or negative form.
  1387. Ratio (1) - P1:1
    • the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
  1388. Mass (1) - P1:1
    • the quantity of matter which a body contains.
  1389. Orbit (1) - P2:1
    • the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet.
  1390. Crude oil (1) - C2:1
    • the remains of an ancient biomass consisting mainly of plankton that was buried in mud.
  1391. Fossils (1) - B2:1
    • the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.
  1392. Inertia (1) - P2:1
    • the resistance of any physical object to any change in its position and state of motion
  1393. Chain reaction (1) - P1:1
    • the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.
  1394. Energy level (1) - C1:1
    • the shells that electrons are arranged into around the nucleus of an atom with the innermost shell being the lowest energy level.
  1395. Mitochondria (1) - B1:1
    • the site of respiration within the cell.
  1396. Magnitude (1) - B1:1
    • the size or extent of something.
  1397. Resolution (1) - B1:1
    • the smallest interval measurable by a scientific instrument.
  1398. Atom (1) - P1:1
    • the smallest particle of a chemical element that can exist.
  1399. Wave speed (1) - P2:1
    • the speed at which a wave travels
  1400. Radioactive decay (1) - P1:1
    • the splitting of unstable nuclei to emit radioactive waves.
  1401. Gene pool (1) - B2:1
    • the stock of different genes in an interbreeding population.
  1402. Microbiology (1) - B1:1
    • the study of microorganisms.
  1403. Metabolism (1) - B1:1
    • the sum of all the chemical reactions in the body.
  1404. Epidermis (1) - B1:1
    • the surface tissue.
  1405. Environment (1) - C2:1
    • the surroundings or conditions in which a person, animal, or plant lives or operates.
  1406. Boiling Point (1) - C2:1
    • the temperature at which a liquid boils and turns to vapour.
  1407. Period (1) - P2:1
    • the time needed for one complete cycle of vibration to pass in a given point.
  1408. Half-life (1) - P1:1
    • the time taken for the radioactivity of a specified isotope to fall to half its original value.
  1409. Area (1) - B1:1
    • the total surface of an object.
  1410. Xylem (1) - B1:1
    • the vascular tissue in plants specialised to transport water and dissolved nutrients up the plant.
  1411. Resistant (1) - B2:1
    • to be unaffected by something.
  1412. Emulsify (1) - B1:1
    • to break up fat into smaller parts by allowing it mix better with water.
  1413. Stopping distance (1) - P2:1
    • total distance travelled before a moving object comes to a stop
  1414. Radiate (1) - P2:1
    • transfer of energy to the surroundings
  1415. Bacteria (1) - B1:1
    • unicellular microorganisms which have cell walls but lack organelles and an organized nucleus.
  1416. Chloroplasts (1) - B1:1
    • vesicles full of the photosynthetic pigment chlorophyll.
  1417. Mosaic Virus (1) - B1:1
    • viruses that cause the leaves to have a speckled appearance
  1418. Unstable (1) - P1:1
    • volatile and likely to react.
  1419. Seismic (1) - P2:1
    • waves produced by earthquakes
  1420. S-waves (1) - P2:1
    • waves that cannot travel through a liquid
  1421. Differentiate (1) - B1:1
    • when a stem cell becomes specialised to a particular cell type.
  1422. Collisions (1) - B1:1
    • when one particle bumps into another.
  1423. Dissolve (1) - C2:1
    • when particles of solid become incorporated into a liquid to make a solution.
  1424. Extinction (1) - B2:1
    • when there are no members of a species left living.
  1425. Refract (1) - P2:1
    • when waves change speed when they move from one medium to another of different density
  1426. solutions (1) - C1:1
    • where substances are dissolved in water
  1427. Shielding (1) - C1:1
    • where the attraction from the nucleus is decrease as the shells are further away
  1428. Aerobic (1) - B1:1
    • with oxygen.
  1429. Anaerobic (1) - B1:1
    • without oxygen.
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