Across
- 6. the process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
- 7. the measure of the average kinetic energy of the particles of a substance.
- 8. the change in state from a solid directly to a gas without passing through the liquid state.
- 9. the temperature at which liquid boils.
Down
- 1. the temperature at which a liquid freezes.
- 2. the total kinetic and potential energy of all the particles in a substance.
- 3. the change of state from a liquid to a gas.
- 4. the change in state from a gas to a liquid.
- 5. the temperature at which a substance changes from a solid to a liquid.