Across
- 4. energy from water
- 6. a form of fossil fuels
- 8. energy from the earths core
- 10. can be a form of fossil fuels
Down
- 1. a form of energy
- 2. the effect of fossil fuels
- 3. a type of energy
- 5. energy from the sun
- 7. energy from living or once living things
- 9. it has many forms