Across
- 2. happens as heat rises
- 5. energy in motion
- 7. the ability to create energy in a system
- 10. is powered by the wind
- 12. heat transfer through air or empty space
- 13. heat energy
- 14. measure of coldness or hotness
- 15. I use my legs to ride my bike
Down
- 1. mass divided by volume
- 3. transfer of heat without movement
- 4. stored energy
- 6. energy made by a reaction
- 8. something that moves like water
- 9. the opposite of cold
- 11. my phone uses this energy to work
