Across
- 2. energy which is spread out
- 3. movement of a wave or energy
- 5. determined by the height above the Earth
- 8. not created or destroyed
- 11. heat energy is absorbed during a reaction
- 12. unit of measurement
- 13. transfer of thermal energy
- 15. unit of power
- 17. spectrum
- 18. energy change
- 19. movement
Down
- 1. EMR used for communication
- 4. produced by the vibration of matter
- 6. heat is released during a reaction
- 7. stored energy
- 9. energy which is from the nuclei of an atom
- 10. heat energy
- 11. to do work
- 14. energy which is no longer available
- 16. movement of energy