Across
- 2. state of matter when a material has neither a definite shape or volume
- 4. absorbs energy in order to change from a liquid to gas below boiling point
- 9. volume of a gas is inversely proportional to its pressure if temp and # of particles is constant
- 11. a volume of gas is directly proportional to its temp
- 13. temperature of 0 kelvins
- 14. is the process that changes a substance from a liquid to gas at temperatures below boiling point
- 15. the state of matter when material has definite volume but not shape
- 16. energy of an object due to its motion
- 17. a gas or vapor changes directly into a solid without first changing into a liquid
- 19. changes from a solid to a gas or vapor without changing to a liquid first
Down
- 1. result of force distributed over an area
- 3. the phase change in which a substance changes from a gas or vapor to a liquid
- 5. reversible physical change when a substance changes from one state of matter to another
- 6. system absorbs energy from its surroundings
- 7. amount of energy for water
- 8. pressure caused by collisions vapor and walls of the container
- 10. system when substance changes from liquid to gas
- 12. system releases energy to its surroundings
- 18. the state of matter in which materials have a definite shape and definite volume