Across
- 2. 92 of these are found naturally and make up all matter.
- 4. a measure of acids or bases.
- 5. pH of 12.
- 7. have a pH less than 7.
- 10. include solids, liquids and gases.
- 11. the temperature in which a substance boils.
- 12. the amount of space an object occupies.
- 14. particles are only vibrating in place.
- 16. gas to liquid.
- 19. the amount of matter in a substance.
- 20. increase volume.
Down
- 1. a measure of particle speed.
- 3. liquid to gas.
- 6. liquid to solid.
- 8. melting, freezing, boiling...
- 9. state of matter with the most energy.
- 13. building blocks of matter.
- 15. solid to liquid.
- 17. water's pH.
- 18. particles slide past each other.