Across
- 4. something which doesn't change
- 6. Energy changes form
- 8. Energy loss
- 10. heat
- 11. motion
- 12. how much matter an object is made of
- 13. Vibrational energy
- 14. the fundamental force of attraction
- 15. ability to do work or cause change
Down
- 1. The context
- 2. the rule itself
- 3. electromagnetic radiation
- 5. stored energy
- 7. slows things down when two surfaces rub against each other
- 9. speed of motion
