Across
- 3. from big turbines above ground
- 5. gases most used form of energy
- 6. water
- 10. what hydropower harms
- 13. made from animals and plants
- 14. made from fusion
- 15. from the heat of the earth
Down
- 1. doesn't run out
- 2. made from the sun
- 4. once gone it's gone there's no more
- 7. used to generate the energy
- 8. what biomass is made from
- 9. plates where geothermal energy is deprived from
- 11. cheap energy source
- 12. reserve where some of the water goes during making
