P1.4 - Particle model of matter Knowledge Test

Candidate Name:
1) What is the equation used to define the density of a material


2) What is meant by the term 'internal energy', in terms of particles?


3) If the temperature of a system increases, what three different things does the increase in temperature depend on?


4) What is meant by the term 'internal energy', in terms of kinetic and potential energy?


5) What effect does heating change have on the energy stored within the system or state of matter?


6) Draw a diagram pf particle arrangement for a solid; a liquid and a gas.


7) What two things can the particle model be used to explain?


8) In terms of particles, explain why ther are differences in density between the different states of matter.


9) What is meant by the latent heat of a substance?


10) What happens to the temperature when a change of state occurs?


11) What happens to the mass of a substance as it changes state?


12) What is the specific latent heat of a substance?


13) How do changes of state differ from chemical changes?


14) What is the equation used to calculate the energy for a change of state? Include units in your response.


15) What is meant by the term specific heat of fusion? Give an example to show what this means.


16) What is the difference between specific heat capacity and specific latent heat?


17) What is meant by the term specific heat of fusion? Give an example to show what this means.


18) How would the motion be described for molecules of a gas?


19) What impact does increasing the temperature of a gas held at constant volume have on pressure?


20) How does the temperature of a gas relate to the average kinetic energy of the molecules?


21) How does the motion of the molecules in a gas relate to both its temperature and its pressure?


22) What is the relationship between the temperature of a gas and its pressure at constant volume?


23) (Physics only) What states can be fluids?


24) (Physics only) Pressure in fluid causes a force in what direction to the surface?


25) (Physics only) What equation can be used to calculate the pressure of a fluid at the surface?


26) (Physics only) How can the pressure due to a column of liquid be calculated?


27) (Physics only) What two factors increase the pressure at a point in a liquid?


28) (Physics only) How does pressure change as you get deeper in the sea?


29) (Physics only) How do differences in pressure create the force of upthrust?


30) (Physics only) What factors influence whether an object floats or sinks?


31) (Physics only) What is the atmosphere?


32) (Physics only) What happens to the density of the atmosphere as the altitude increases?


33) (Physics only) What creates atmospheric pressure?


34) (Physics only) What happens to the weight of air above a surface as the height of that surface is increased above ground level?


35) (Physics only) Why does atmospheric pressure decrease with an increase in height?


36) (Physics only) How would the particles in the air be arranged close to the Earth's surface then getting further up with altitude.


37) (Physics only) Why does atmospheric pressure vary with height above the surface?


38) (Physics only) What causes a gas to be compressed or expanded?


39) (Physics only) How does pressure affect gases?


40) (Physics only) How does the pressure produce gas being compressed or expanded within a container?


41) (Physics only) Using the particle model, how does increasing the volume in which as gas is contained lead to a decrease in pressure?


42) (Physics only) What does Boyle's Law state?


43) (Physics only) How could you calculate the change in pressure of a gas or the volume of a gas (of fixed mass and temperature)


44) (Physics only) What is work?


45) (Physics only) What impact does doing 'work' on a gas have on the internal energy of a gas and temperature?


46) (Physics only) In a situation like a bicycle pump, explain how doing work on an enclosed gas can lead to an increase in temperature of the gas.


47) (Physics only) What happens to some of the mass in nuclear fusion?


48) How do the Big Ideas link to this topic?

a) Forces:





b) Particles:





c) Energy:





d) Cells: