Across
- 3. make up everything
- 5. things you see that you can also touch.
- 6. an action to make something visible
- 8. only physical properties change
- 10. when water reaches 120F.
- 11. depends on mass
- 12. the contents of a balloon
- 14. a rock
- 16. an energy and chemical change/reaction
- 17. substance is different after the change p
- 19. a change is size, state, or form.
- 20. cutting this the mass stays the same
Down
- 1. a chemical reaction in which plants produce sugar and oxygen
- 2. needed to bake foods
- 4. make up atoms
- 7. a French chemist
- 9. water and other drinks
- 13. a light that is lit by snapping a small plastic ban until the chemical reaction reoccurs
- 15. a very hot chemical reaction
- 18. a change of color.