WJEC GCSE Science Double Award Kinetic theory (Unit 6) overview quiz quiz
14questions. Pick an answer and you'll see why right away.
In which state are the particles arranged in a regular pattern and vibrating in fixed positions?
In which state are the particles far apart and moving quickly in all directions?
Why is a change of state (such as melting) a physical change?
What is the change of state from a gas to a liquid called?
What is the specific heat capacity of a substance?
Which equation gives the energy to change a substance's temperature?
Why does the temperature stay constant while a substance is melting?
How much energy is needed to heat 1 kg of water by 10 degrees C (c = 4200 J/kg degrees C)?
What causes the pressure of a gas?
Why does heating a sealed gas increase its pressure?
Why does reducing the volume of a gas increase its pressure (at constant temperature)?
Which state of matter is usually the most dense?
In which directions does gas pressure act?
When mass of ice melts to water, what happens to its mass?