Across
- 5. solid with an ordered internal structure
- 6. SI unit of pressure
- 9. two or molecular forms of the same element
- 11. pressure due to density of earth's atmosphere
- 12. temperature at which a liquid turns to solid
- 15. vaporization at the surface of a liquid
- 16. a solid turns into a gas
Down
- 1. energy due to motion
- 2. force exerted by a gas
- 3. set of conditions at which all three phases occur
- 4. device used to measure pressure
- 7. a solid that lacks an ordered internal structure
- 8. an empty space
- 10. temperature at which a solid turns to liquid
- 13. conversion of a liquid to a gas
- 14. liquid turning to gas due to temperature