5th Sep '25

P Keywords

P1133
P2193
  1. Current (22) - P1:15 - P2:7
    • An electric current is a flow of electric charge.
  2. Resistance (13) - P1:13
    • the degree to which a substance or device opposes the passage of an electric current, causing energy dissipation.
  3. Diode (11) - P1:11
  4. Force (9) - P2:9
    • something changes shape, direction or speed.
  5. Potential difference (6) - P1:6
  6. Thermistor (6) - P1:6
    • A resistor that is sensitve to temperature changes.
  7. LDR (6) - P1:6
    • Light Dependent Resistor
  8. (5) - P2:5
  9. Ammeter (5) - P1:5
    • An instrument used to measure current.
  10. Charge (5) - 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.
  11. Velocity (5) - P2:5
    • velocity is a vector quantity; it is direction-aware.
  12. energy (4) - P1:4
  13. Electron (4) - P1:4
  14. Variable resistor (4) - P1:4
    • A resistor that can vary the flow of current in a circuit.
  15. voltmeter (4) - P1:4
    • An instrument used to measure potential difference.
  16. Wavelength (4) - P2:4
    • The distance between two successive crests or troughs of a wave.
  17. Acceleration (4) - P2:4
    • The increase of speed of an object over time.
  18. Work done (4) - P2:4
    • Work is done when a force is applied to an object and the object is moved through a distance.
  19. Magnetic field (4) - P2:4
    • a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
  20. Frequency (4) - P2:4
    • the number of wave cycles passing a point per unit time
  21. transfer (3) - P1:3
  22. Battery (3) - P1:3
  23. Resistor (3) - P1:3
  24. Resultant force (3) - 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.
  25. Transformer (3) - P1:1 - P2:2
    • A transformer is an electrical device that changes the voltage of an AC supply.
  26. Gravity (3) - P2:3
    • An attraction between matter that is able to keep large masses like moons and planets in orbit.
  27. Power (3) - P1:1 - P2:2
    • Power is a measure of how quickly energy is transferred. The unit of power is the watt (W).
  28. Displacement (3) - 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
  29. Mass (3) - P2:3
    • how many particles there are (measured in KG)
  30. Momentum (3) - P2:3
    • the quantity of motion of a moving body, measured as a product of its mass and velocity.
  31. waves (3) - P2:3
    • transfer energy but not matter
  32. resources (2) - P1:2
  33. fossil fuels renewable (2) - P1:2
  34. LDR (2) - P1:2
  35. stored (2) - P1:2
  36. system (2) - P1:2
  37. Collision (2) - P2:2
  38. non renewable (2) - P1:2
  39. geothermal (2) - P1:2
  40. Extension (2) - P2:2
  41. Limit of proportionality (2) - P2:2
  42. Spring constant (2) - P2:2
  43. Energy store (2) - P2:2
  44. Linear (2) - P2:2
  45. energy (2) - P1:2
  46. transferred (2) - P1:2
  47. Direction (2) - P2:2
  48. Magnitude (2) - P2:2
  49. Vector (2) - P2:2
  50. Directly proportional (2) - P2:2
  51. Scalar (2) - P2:2
  52. Energy transfer (2) - P2:2
  53. Rotation (2) - P2:2
  54. Distance (2) - P2:2
  55. Stretching (2) - P2:2
  56. Light intensity (2) - P1:2
  57. Compression (2) - P2:2
    • A compression is a region in a longitudinal wave where the particles are closest together.
  58. Conductor (2) - P2:2
    • A material the can conduct electricity or thermal energy.
  59. Fusion (2) - P2:2
    • Nuclear fusion involves two atomic nuclei joining to make a large nucleus. Energy is released when this happens.
  60. Waves (2) - P2:2
    • Transfer energy, not matter.
  61. mass (2) - P2:2
    • how many particles there are (measured in KG)
  62. Transmit (2) - P1:1 - P2:1
    • move from one place to another
  63. Stationary (2) - P2:2
    • object that is not moving
  64. Absorb (2) - P2:2
    • take in or soak up energy or a liquid or other substance.
  65. Boundary (2) - P2:2
    • the point where two mediums meet
  66. Amplitude (2) - P2:2
    • the vertical distance between a peak or a valley and the equilibrium point.
  67. Hertz (2) - P2:2
    • unit for frequency
  68. Deceleration (2) - P2:2
    • when an object slows down
  69. Equilibrium (2) - P2:2
    • when there is a balance of opposing forces or influences.
  70. Reflect (2) - P2:2
    • when waves bounce back off a shiny surface
  71. Elastic (1) - P2:1
  72. Particles (1) - P1:1
  73. Elastic potential energy (1) - P2:1
  74. lubricaction (1) - P1:1
  75. solar (1) - P1:1
  76. temperature (1) - P1:1
  77. conduction (1) - P1:1
  78. Elastic deformation (1) - P2:1
  79. power (1) - P1:1
  80. specific heat capacity (1) - P1:1
  81. thermal (1) - P1:1
  82. Inelastic deformation (1) - P2:1
  83. insulation (1) - P1:1
  84. Moment (1) - P2:1
  85. Non-linear (1) - P2:1
  86. Anticlockwise (1) - P2:1
  87. Lever (1) - P2:1
  88. Balanced (1) - P2:1
  89. Clockwise (1) - P2:1
  90. Turning effect (1) - P2:1
  91. Density (1) - P1:1
  92. Perpendicular (1) - P2:1
  93. Pivot (1) - P2:1
  94. work done (1) - P1:1
  95. Melting (1) - P1:1
  96. Forces (1) - P2:1
  97. Weight (1) - P2:1
  98. Gravitational field strength (1) - P2:1
  99. Newtonmeter (1) - P2:1
  100. Balanced forces (1) - P2:1
  101. Interaction pair (1) - P2:1
  102. Free body diagram (1) - P2:1
  103. Centre of mass (1) - P2:1
  104. Pattern (1) - P1:1
  105. Newton (1) - P2:1
  106. Bending (1) - P2:1
  107. Compressing (1) - P2:1
  108. Speed (1) - P2:1
  109. Temperature (1) - P2:1
  110. Newton-metre (1) - P2:1
  111. Frictional forces (1) - P2:1
  112. Joule (1) - P2:1
  113. Gradient (1) - P2:1
  114. Attract (1) - P2:1
  115. Non-contact (1) - P2:1
  116. Repel (1) - P2:1
  117. Use this as the enquiry question ahead of the homemade Leslie cube demo (1) - P2:1
  118. Electromagnetic (1) - P2:1
  119. Electromagnetic (1) - P2:1
  120. Permanent magnet (1) - P2:1
  121. Induced (1) - P2:1
  122. Magnetic (1) - P2:1
  123. primary coil (1) - P2:1
  124. (1) - P2:1
  125. Repulsion (1) - P2:1
  126. Attraction (1) - P2:1
  127. Graph (1) - P2:1
  128. Time (1) - P2:1
  129. Change (1) - P2:1
  130. Estimation (1) - P2:1
  131. Count (1) - P2:1
  132. Average (1) - P2:1
  133. Axis (1) - P2:1
  134. kinetic energy (1) - P1:1
  135. Straight (1) - P2:1
  136. Magnetic force (1) - P2:1
  137. Resultant (1) - P2:1
  138. Zero (1) - P2:1
  139. Balance (1) - P2:1
  140. Fluid (1) - P2:1
  141. Safety (1) - P2:1
  142. Calculate (1) - P2:1
  143. Gear (1) - P2:1
  144. oil (1) - P1:1
  145. electricty (1) - P1:1
  146. Wildlife (1) - P1:1
  147. tidal (1) - P1:1
  148. Friction (1) - P2:1
  149. Fossil fuels (1) - P1:1
  150. Non-contact force (1) - P2:1
  151. energy resources (1) - P1:1
  152. Air resistance (1) - P2:1
  153. Normal contact force (1) - P2:1
  154. nuclear fuel (1) - P1:1
  155. Gravitational force (1) - P2:1
  156. yield (1) - P1:1
  157. coal (1) - P1:1
  158. Tension (1) - P2:1
  159. sewage (1) - P1:1
  160. dissipated (1) - P1:1
  161. environmental (1) - P1:1
  162. Contact force (1) - P2:1
  163. flooding (1) - P1:1
  164. fuel (1) - P1:1
  165. pollutants (1) - P1:1
  166. conservation (1) - P1:1
  167. fossil fuels (1) - P1:1
  168. wind turbines (1) - P1:1
  169. transport electricity (1) - P1:1
  170. dissipated (1) - P1:1
  171. industry (1) - P1:1
  172. renewable (1) - P1:1
  173. global warming (1) - P1:1
  174. environmental impact (1) - P1:1
  175. conservation of energy (1) - P1:1
  176. oil (1) - P1:1
  177. gravitational potential energy (1) - P1:1
  178. acid rain (1) - P1:1
  179. infrared (1) - P1:1
  180. radiation (1) - P1:1
  181. global dimming (1) - P1:1
  182. conservation (1) - P1:1
  183. tidal (1) - P1:1
  184. coal (1) - P1:1
  185. heating (1) - P1:1
  186. Electrostatic force (1) - P2:1
  187. Circuit (1) - P1:1
    • A complete and closed path around which a circulating electric current can flow.
  188. Galaxies (1) - P2:1
    • A galaxy can contain many millions of stars, held together by the force of gravity.
  189. Magnet (1) - P2:1
    • A material made out of either iron, steel or cobalt that is polarised and has a north and south pole.
  190. Nebula (1) - P2:1
    • A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
  191. Voltage (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.
  192. Rarefaction (1) - P2:1
    • A rarefaction is a region in a longitudinal wave where the particles are furthest apart.
  193. 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.
  194. Linear relationship (1) - P1:1
    • A relationship that is directly proportional
  195. Diffused reflection (1) - P2:1
    • A rough surface will produce diffused reflection with scattered reflection of the waves.
  196. Satellite (1) - P2:1
    • A satellite is an object that orbits a larger object in space.
  197. Satellites (1) - P2:1
    • A satellite is an object that orbits a larger object in space.
  198. Electrons (1) - P1:1
    • A stable subatomic particle with a negative charge.
  199. Supernova (1) - P2:1
    • A supernova is the explosion of a star -- the largest explosion that takes place in space.
  200. Universe (1) - P2:1
    • All of space and time, energy and matter.
  201. Circuits (1) - P2:1
    • An electric circuit is a path in which electrons from a voltage or current source flow
  202. Alternating current (1) - P1:1
    • An electric current that reverses its direction many times a second at regular intervals
  203. Parallel (1) - P1:1
    • Components connected in parallel are connected along multiple paths.
  204. Series (1) - P1:1
    • Components connected in series are connected along a single path.
  205. Work (1) - P1:1
    • Defined as the product of a force and the distance over which the force is applied. Measured in joules.
  206. 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).
  207. Ultrasound (1) - P2:1
    • Electromagnetic wave
  208. Domestic (1) - P1:1
    • For use in the home rather than in an industrial or office environment.
  209. Static (1) - P1:1
    • Having no motion.
  210. Expanding Universe (1) - P2:1
    • Idea that Universe itself is increasing in size.
  211. longitudinal (1) - P2:1
    • In longitudinal waves, the oscillations are along the same direction as the direction of travel and energy
  212. Longitudinal (1) - P2:1
    • In longitudinal waves, the oscillations are along the same direction as the direction of travel and energy transfer.
  213. transverse (1) - P2:1
    • In transverse waves, the oscillations (vibrations) are at right angles to the direction of travel and energy transfer.
  214. Transverse (1) - P2:1
    • In transverse waves, the oscillations (vibrations) are at right angles to the direction of travel and energy transfer.
  215. Voltmeter (1) - P1:1
    • Instrument used to measure Voltage.
  216. Planets (1) - P2:1
    • Large object of matter that orbits a star.
  217. Sound Waves (1) - P2:1
    • Longitudinal waves that transfer energy as vibrations in particles.
  218. 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.
  219. Poles (1) - P2:1
    • Magnet have a north and south pole.
  220. Receding (1) - P2:1
    • Moving further away from its original position.
  221. Dark energy (1) - P2:1
    • Process causing the Universe to speed up.
  222. 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.
  223. Step down transformers (1) - P2:1
    • Step down current, step down voltage.
  224. Step Up transformers (1) - P2:1
    • Step up voltage, step down current.
  225. Solar system (1) - P2:1
    • The Solar System consists of the Sun with planets in orbit around it.
  226. Sun (1) - P2:1
    • The Sun is a star. It gives out heat and light through nuclear fusion.
  227. Charge flow (1) - P1:1
    • The amount of electricity travelling through a circuit
  228. Nuclei (1) - P2:1
    • The centre of an atom made of protons and neutrons.
  229. Life cycle (1) - P2:1
    • The different stages of the development of a star.
  230. 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.
  231. 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.
  232. 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.
  233. National Grid (1) - P1:1
    • The network of high-voltage power lines that connect major power stations to consumers.
  234. Polarity (1) - P2:1
    • The state of being a north pole or south pole; the magnetic equivalent of electric charge
  235. 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.
  236. Conservation (1) - P2:1
    • There is no change
  237. Transfer (1) - P1:1
    • To convey or cause to pass from one place, person, or thing to another.
  238. Circuit diagram (1) - P1:1
    • Various electrical components are shown by using standard symbols in circuit diagrams.
  239. 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.
  240. Nuclear weapon (1) - P1:1
    • a bomb or missile that uses nuclear energy to cause an explosion.
  241. Solenoid (1) - P2:1
    • a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it
  242. Hazard (1) - P1:1
    • a danger or risk.
  243. Detector (1) - P2:1
    • a device or instrument designed to detect the presence of a particular object or substance.
  244. Appliance (1) - P1:1
    • a device or piece of equipment designed to perform a specific task.
  245. Beta (1) - P1:1
    • a fast-moving electron emitted by radioactive decay of substances.
  246. Alpha (1) - P1:1
    • a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  247. Alpha particle (1) - P1:1
    • a helium nucleus emitted by some radioactive substances.
  248. Cosmic rays (1) - P1:1
    • a highly energetic atomic nucleus or other particle travelling through space at a speed approaching that of light.
  249. permanent magnet (1) - P2:1
    • a magnet that retains its magnetic properties in the absence of an inducing field or current.
  250. Precaution (1) - P1:1
    • a measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening.
  251. Field (1) - P2:1
    • a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
  252. 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.
  253. Electron (1) - P1:1
    • a stable subatomic particle with a charge of negative electricity.
  254. 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.
  255. Emitter (1) - P2:1
    • a substance that will transfer energy to its surroundings
  256. Earthquakes (1) - P2:1
    • a sudden violent shaking of the ground
  257. absorber (1) - P2:1
    • a thing or person that soaks up or absorbs something
  258. X-ray (1) - P2:1
    • a type of ionising radiation
  259. Dose (1) - P1:1
    • an amount of ionizing radiation received or absorbed at one time or over a specified period.
  260. Direct current (1) - P1:1
    • an electric current flowing in one direction only.
  261. Braking distance (1) - P2:1
    • distance travelled by a moving object whilst the brakes are applied before stopping
  262. Thinking distance (1) - P2:1
    • distance travelled by a moving object whilst the driver processes they need to stop
  263. Fission (1) - P1:1
    • division or splitting into two or more parts.
  264. 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.
  265. Light (1) - P2:1
    • electromagnetic waves that transfers energy, even through a vacuum.
  266. Electrical (1) - P2:1
    • energy transfer
  267. Magnification (1) - P2:1
    • enlarging an image
  268. 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.
  269. source (1) - P2:1
    • from which something originates or can be obtained
  270. Random (1) - P1:1
    • happening without method or conscious decision.
  271. Proportional (1) - P2:1
    • having a constant ratio to another quantity.
  272. 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
  273. Wave (1) - P2:1
    • how energy is transferred from A to B
  274. reflection (1) - P2:1
    • light bounces back from a smooth surface
  275. P-waves (1) - P2:1
    • longitudinal seismic waves
  276. Sound waves (1) - P2:1
    • longitudinal wave
  277. Oscillation (1) - P2:1
    • one complete cycle of a wave
  278. Vibrations (1) - P2:1
    • ossification around a fixed point
  279. transmitted (1) - P2:1
    • pass from one place to another
  280. Gamma (1) - P1:1
    • penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
  281. Spontaneous (1) - P1:1
    • performed or occurring as a result of a sudden impulse or inclination and without premeditation or external stimulus.
  282. boundary (1) - P2:1
    • point where two materials of different density meet
  283. Interface (1) - P2:1
    • point where two mediums meet and interact
  284. Focus (1) - P2:1
    • producing clear visual definition
  285. Ionising (1) - P2:1
    • radiation that carries enough energy to remove electrons from atoms
  286. 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.
  287. Mutations (1) - P2:1
    • random changes to DNA
  288. Specular reflection (1) - P2:1
    • reflection are that the wave bounces back at the same angle if the surface is smooth
  289. Factors (1) - P2:1
    • something that could affect something else
  290. 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.
  291. 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.
  292. Division (1) - P1:1
    • the action of separating something into parts or the process of being separated.
  293. Contamination (1) - P1:1
    • the action or state of making or being made impure by polluting or poisoning.
  294. Technology (1) - P1:1
    • the application of scientific knowledge for practical purposes, especially in industry.
  295. Kinetic energy (1) - P2:1
    • the energy stored within moving objects
  296. spectrum (1) - P2:1
    • the entire range of wavelengths of electromagnetic radiation
  297. Penetration (1) - P1:1
    • the extend to which radioactive wave or particle can pass through an object.
  298. Mains electricity (1) - P1:1
    • the form of electrical power that is delivered to homes and businesses.
  299. Gamma (1) - P2:1
    • the most ionising electromagnetic wave
  300. Orbit (1) - P1:1
    • the path of an electron round an atomic nucleus.
  301. Atomic nucleus (1) - P1:1
    • the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  302. Nuclei (1) - P1:1
    • the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  303. Irradiation (1) - P1:1
    • the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources.
  304. Emission (1) - P1:1
    • the production and discharge of something, especially gas or radiation.
  305. Charge (1) - P1:1
    • the property of matter that is responsible for ellectricity existing in a positive or negative form.
  306. Ratio (1) - P1:1
    • the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
  307. Mass (1) - P1:1
    • the quantity of matter which a body contains.
  308. Orbit (1) - P2:1
    • the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet.
  309. Inertia (1) - P2:1
    • the resistance of any physical object to any change in its position and state of motion
  310. Chain reaction (1) - P1:1
    • the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.
  311. Atom (1) - P1:1
    • the smallest particle of a chemical element that can exist.
  312. Wave speed (1) - P2:1
    • the speed at which a wave travels
  313. Radioactive decay (1) - P1:1
    • the splitting of unstable nuclei to emit radioactive waves.
  314. Period (1) - P2:1
    • the time needed for one complete cycle of vibration to pass in a given point.
  315. Half-life (1) - P1:1
    • the time taken for the radioactivity of a specified isotope to fall to half its original value.
  316. Stopping distance (1) - P2:1
    • total distance travelled before a moving object comes to a stop
  317. Radiate (1) - P2:1
    • transfer of energy to the surroundings
  318. Unstable (1) - P1:1
    • volatile and likely to react.
  319. Seismic (1) - P2:1
    • waves produced by earthquakes
  320. S-waves (1) - P2:1
    • waves that cannot travel through a liquid
  321. Refraction (1) - P2:1
    • when a wave passes through a medium with different density it speeds up or slows down
  322. Refract (1) - P2:1
    • when waves change speed when they move from one medium to another of different density
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