Across
- 3. liquid to gas
- 5. solid to gas
- 6. number of protons in the nucleus
- 7. absorbs heat
- 11. gas to solid
- 14. a mixture that is not uniform
- 15. when two liquids do not mix
- 16. pressure is constant
- 17. atoms with different numbers of neutrons
- 18. microscopic particles are dispersed evenly
- 19. point at the end of a curve
Down
- 1. the process of burning something
- 2. gas to liquid
- 4. sum of protons and neutrons
- 5. numbers being accuracy
- 8. a combination of two substances
- 9. temperature is constant
- 10. volume is constant
- 12. releases heat
- 13. a mixture containing particles that settle out