Across
- 5. any material made by plants and animals that can convert into natural energy
- 6. Takes a short time
- 7. power energy created by wind
- 8. grainy, dirty rock found underground
- 9. won't be gone for a long time
- 11. Energy made from water
- 12. thick black liquid found underground
- 13. Energy made from the sun
- 14. Takes a long time to form again
Down
- 1. Man made resources
- 2. Resource found in nature
- 3. Made a long time ago from dead organisms
- 4. Energy made from heat from the earths core
- 10. gas found under ground