Across
- 6. a mixture of gas and alcohol
- 7. a renewable energy source used to create energy via wind turbines
- 8. one of the three major types of fossil fuels
- 10. light and heat given off by the sun
- 12. electricity produced by flowing water
- 14. wood, plant parts, and food wastes that can be used as fuels
- 15. turns to produce energy
- 18. uses more energy than compact fluorescent
- 19. cannot be replenished in a short amount time
- 20. breaking apart
- 21. Is mainly used for transportation
- 23. compounds made from oil like plastic, makeup, and paint
- 26. heat from earths interior
- 27. is mainly used for electric power
- 28. the beginning or end of a nuclear reaction
- 30. coming together
Down
- 1. can be replenished in a relatively short time
- 2. chemical compounds that have atoms
- 3. is where crude oil is heated and separated into fuel
- 4. simpelist element known
- 5. uses less energy than incandescent bulbs
- 9. not using energy
- 11. coal, oil, and natural gas
- 13. using smaller percent of energy
- 16. a layer of material that traps the air to help block the transfer of heat
- 17. the going apart or coming together to create energy
- 22. collects suns energy
- 24. energy carrier
- 25. when fuel rods get so hot it starts to melt
- 29. a enhanced geothermal system