Across
- 3. movement energy
- 5. matter and energy working together
- 6. things energy moves easily through
- 8. get smaller or shrink
- 10. energy does not easily move through this
- 11. positive charge
- 12. neutral charge
- 14. center of an atom
- 15. anything that has mass and takes up space
Down
- 1. things we cannot do
- 2. smallest unit of matter
- 4. negative charge
- 7. make better
- 9. A tool for measuring thermal energy
- 13. stretch or get longer