Across
- 3. Occurs when a car engine burns gasoline
- 8. one of the three major fossil fuels
- 10. On of the three major fossil fuels
- 11. Second most use for coal in the U.S
- 13. Contains the heat in a nuclear power plant
- 15. How to save energy.
- 16. one of the three major fossil fuels
- 19. One percentage of coal is used for what.
- 21. Heat from Earth's interior
- 23. Main use of oil in the U.S
- 26. Wood, plant parts, manure, and food wastes that can be used as fuels
- 27. Combining
Down
- 1. Protects the energy.
- 2. Replenishes in a relatively short period of time
- 4. Compounds that contain carbon and hydrogen atoms
- 5. What occurs when the fuel rods generate lots of heat.
- 6. Original source of the energy in wind and flowing water.
- 7. Most of coal is used for
- 9. Adding alcohol to gasoline
- 12. Where the heat is being produced
- 14. Electricity produced by flowing water
- 17. Oil Compounds
- 18. Can't be replenished in a short amount of time take millions and billions of years
- 20. A good way to use energy
- 22. Light and heat given off by the sun
- 24. a factory where crude oil is separated
- 25. Splitting/Breaking apart
- 27. Something that conducts energy