Across
- 4. Movement that goes on forever
- 8. Energy is never wasted or created
- 9. Used in old-fashioned trains
- 11. Energy from one object to another
- 12. Ground energy
- 16. Stored energy
- 18. Energy from a burning log
- 19. Light
- 20. L.E.D.
Down
- 1. Newton's measurement for energy
- 2. Energy in motion
- 3. The force from massive objects
- 5. ______ circuit
- 6. Leaves toxic waste
- 7. Change of energy type
- 10. Energy moving through wires
- 13. Work
- 14. Heat
- 15. Plants
- 17. Energy