Across
- 3. where a liquid changes to a solid
- 5. the amount of space that a substance or object occupies
- 7. explanation of some aspect of the natural world
- 8. it becomes lower as the pressure is reduced
- 11. Property of matter to resist changes of the state of motion
- 13. changes from gas to liquid
- 16. the temperature that a solid melts at
- 17. transition from ice to gas skipping the liquid stage
- 18. 1 of the 3 states of matter which is the hardest
- 19. 1 of the 3 states of matter which isn’t solid nor liquid
- 20. net movement of molecules or atoms
Down
- 1. a substance that has all the same number of protons
- 2. energy of a moving physical body
- 4. smallest indivisible unit of a chemical substance
- 6. 1 of the 3 states of matter which is runny
- 9. attribute of a physical system or body
- 10. becomes evident during or after chemical react
- 12. a Liquid that occurs from its surface
- 14. becoming liquified by heat
- 15. substance that has rest mass and volume