Across
- 2. change of a substance from solid to vapor without passing through the liquid state
- 3. force exerted by a gas per unit surface area of an object via collisions
- 6. conversion of a liquid to a gas or vapor
- 7. an empty space with no particles and therefore no pressure
- 9. conditions under which a substance exists in all 3 of the main phases of matter
- 11. the energy an object has because of its motion
- 12. measure of force exerted by a gas above a liquid
- 13. device used to measure atmospheric pressure
- 15. temperature at which a liquid turns into a solid
Down
- 1. temperature at which the vapor pressure of the liquid is just equal to the external pressure
- 4. change of a substance from liquid to gas at the surface of the liquid without boiling
- 5. relationships between solid, liquid, and vapor states of a substance in a sealed container shown on a graph
- 8. SI unit for pressure
- 10. all matter consists of particles that are in constant random motion
- 14. the temperature at which a solid turns into a liquid