Across
- 3. speed of particles inside a gas
- 5. anything that takes up space and has volume
- 8. a change where energy is removed from a substance
- 10. state of matter with definite mass but indefinite shape and volume
- 12. a change where energy is added to a substance
- 13. the amount of stuff inside of matter
- 15. the amount of space matter takes up
- 17. exothermic change where gas turns to solid
- 18. endothermic change where solid turns to gas
Down
- 1. energy that is either added or removed from particles
- 2. exothermic change where gas turns to liquid
- 4. exothermic change where gas turns to liquid to cool down human body
- 6. endothermic change where liquid turns to gas
- 7. exothermic change where liquid changes to solid
- 9. endothermic change where solid changes to liquid
- 11. state of matter with definite shape, volume, and mass
- 13. speed of particles inside a liquid
- 14. speed of particles inside a solid
- 16. state of matter with definite volume and mass but indefinite shape
