Across
- 2. has no definite shape or volume
- 4. change in which a system releases energy to its surroundings
- 8. the energy a substance must form in order to change from a solid to a liquid
- 10. the temperature of zero kelvins
- 11. the inverse variation of the volume of a gas with its pressure if the temperature and the number of particles are constant
- 12. a reversible physical change that occurs when a substance changes from one state of matter to another
- 13. changes from a solid to a gas or vapor without changing to liquid
- 16. an energy an object has due to its motion
- 17. definite shape and volume
- 18. definite volume but no definite shape
Down
- 1. force distributed over an area
- 3. gas or vapor changes to a solid without changing to a liquid
- 5. pressure caused by collisions of particles in a vapor with the walls of a container
- 6. change in which a system absorbs energy from its surroundings
- 7. change from liquid to a gas or vapor
- 8. the energy a substance must have in order to change from liquid to a gas
- 9. change from a solid to a liquid
- 14. the direct variation of a volume of a gas to its temperature if the pressure and the number of particles of the gas are constant
- 15. change from a gas or vapor to a liquid