Think about what you've learned about how particle motion is related to temperature.
Select all of the statements that are true.
1. The average kinetic energy of the particles in a substance determines the
substance's temperature.
2. If the particles in two pure substances have the same average speed, the
substances can have different temperatures.
3. When two substances have the same temperature, all of the particles in
both substances are moving at the same speed.
4. How fast a substance's particles are moving determines how hot or cold
the substance is.
