Across
- 2. Energy from moving air
- 8. Energy from the sun
- 9. Heat energy from inside the Earth
- 10. Electricity that is produced from flowing or falling water.
- 12. Energy from flowing or falling water
Down
- 1. Energy from organic materials like plants or waste
- 3. A device that stores electrical energy.
- 4. fuels Natural fuels like coal, oil, and gas that were formed from ancient plants and animals.
- 5. efficiency Using less energy to do the same job.
- 6. dioxide A gas released when fossil fuels are burned.
- 7. Flow of electric power
- 11. Energy source that can be replaced naturally
- 13. Machine that produces energy from movement