Across
- 3. Riding with other people to conserve energy.
- 5. Something that is made from earth that is valuable.
- 7. Something that can be used over and over again before running out.
- 8. This is any material that is burned for heat or power.
- 9. The process of saving a natural resource.
- 11. Keeping something.
- 12. This is the energy released during a nuclear fusion.
- 14. Energy emitted as waves, through space or some other medium.
- 15. Energy from the sun's rays.
- 18. Energy formed by the wind.
Down
- 1. Thermal energy in solids transfers along the path of the solid.
- 2. Anything caused by nature, not man-made.
- 4. the energy of a moving object
- 6. This absorbs the sun's rays to create energy.
- 8. A natural resource containing hydrocarbon burned for energy.
- 10. ___________ makes energy from the wind.
- 13. This runs out before it can be replaced.
- 16. When objects have the same amount of thermal energy
- 17. to cut down on something
- 19. This is the process of reusing something and not throwing it away.