Across
- 4. Being or coming from living plants and animals.
- 7. To make something change.
- 8. A machine that turns to make electricity.
- 9. Something that causes movement.
- 11. Connected with or using the power of water.
- 14. Materials that are easily replaced.
- 15. To use electricity for power.
- 16. To protect something from damage.
- 17. Using the energy from the sun to produce electric power.
Down
- 1. A layer of something that has formed under the ground.
- 2. Putting harmful waste into water, air, or land.
- 3. The place where something starts.
- 5. An electrical device used at home.
- 6. The power from electricity or oil that can do work.
- 7. Any substance that produces a change.
- 10. To produce (make) energy.
- 12. A place for storing (keeping) liquid,
- 13. The hot gas that is produced when water boils.
