Across
- 3. Atoms are airy but not totally bonded together
- 5. The measure of the amount of matter in an object
- 6. Iron rusting is what type of change?
- 7. When water changes from a liquid to a solid, it...
- 10. ...is often needed for a chemical reaction to take place
- 12. When ice changes from a solid to a liquid, it...
- 13. Atoms are closest together in a...
- 14. ...is anything that has mass or takes up space.
- 15. Water forms heat bubbles in this process
Down
- 1. The total mass after a chemical reaction is the same as the total mass after a chemical reaction.
- 2. All chemical reactions involve...
- 4. When you put salt in water, it...
- 8. Grating an apple cannot be...
- 9. Ice cream melting is what type of change??
- 11. Atoms are farthest apart in a...