Across
- 2. This occurs when a gas changes to a solid without going through its liquid phase
- 10. This occurs when a liquid becomes a gas
- 11. For most substances, the ________ of the solid state is greater than it is for the liquid state
- 12. The state of matter in which the volume and shape of a substance are fixed
- 14. The force exerted by the collisions of particles with surfaces around them
- 15. This occurs when a gas becomes a liquid
- 18. A measure of the average kinetic energy of the particles that make up a substance
- 19. Liquid water and solid water have the same _________ identity
- 20. The state of matter that can change both shape and volume
Down
- 1. This occurs when a solid changes to a gas without going through its liquid phase
- 3. A change of state is a _________ change since the chemical identity of the substance remains the same
- 4. The _________ point is the temperature at which evaporation begins
- 5. This type of energy is the total kinetic energy of all the particles in a substance
- 6. The _________ point is the temperature at which melting begins
- 7. Even though the chemical identity of a substance does not change during a change of state, it will have _________ physical properties before and after the change
- 8. This type of energy is the energy of motion; as speed increases, so does this energy
- 9. The state of matter that has a fixed volume, but can change shape
- 13. A form of energy that can add or remove kinetic energy from a substance
- 16. This occurs when a liquid becomes a solid
- 17. This occurs when a solid becomes a liquid
