Across
- 8. can produce shade and energy
- 12. adding alcohol to gasoline
- 13. waste from nature used as a fuel
- 16. energy that will not replenish
- 17. help us survive in different seasons
- 18. Most powerful type of energy
- 19. solar panels in rows
- 23. vehicles help us with this
- 25. solar cells get their energy from this
- 27. splits from nucleus
- 28. a substance that provides energy
- 29. not a gas that exists on earth
Down
- 1. makes energy for wind and hydropower
- 2. heat from the earth
- 3. separates fuel and others
- 4. not on earth as a gasuel
- 5. Heating buildings from the sun
- 6. energy that will not run out
- 7. powered by flowing water
- 9. we mainly use this
- 10. it can be dangerous
- 11. energy from the sun
- 14. generated from spinning turbines
- 15. converts different types of energy into usable energy
- 20. power by wind
- 21. happens when gasoline burns
- 22. generate hydroelectric power
- 24. geothermal waste
- 26. do the fusion