Across
- 3. Energy used to power homes
- 5. Machine turned by wind or water
- 7. Saving energy and resources
- 8. Harmful waste released into the environment
- 9. The ability to do work
- 11. Heat energy from inside earth
- 14. Fuel Energy source formed from ancient plants and animals
- 15. Energy source that can be replaced naturally
Down
- 1. Energy made from moving water
- 2. Energy from plants and waste
- 4. Machine that creates electricity
- 6. Fossil Fuel burned for energy
- 10. Energy made from atoms
- 12. Energy from the sun
- 13. Moving air used for power