Across
- 4. uncover or reveal
- 5. a drink
- 7. what makes up an atom
- 9. a French chemist
- 10. depends on mass
- 12. cutting __ the mass stays the same
- 13. a change in size, shape, or form
- 14. substance is different after the change
- 15. a chemical reaction with plants
- 17. a change of color
- 18. a light stick
- 19. a energy and chemical change
- 21. a chemical change occurring
Down
- 1. a physical change that cannot be reversed
- 2. needed to bake pretzels
- 3. a balloon insides
- 6. the state of an ice cube
- 8. only physical properties change
- 11. very hot bubble water
- 16. things you see at a park
- 20. a chemical property
