Across
- 5. Element that contains both hydrogen and carbon atoms
- 6. 13% of this in the U.S is mined and then exported
- 8. Original source of energy in wind and flowing water
- 10. Used to split hydrogen from water by using electric current.
- 12. 61% of oil is used for this.
- 13. Substance that produces energy when changed
- 14. Chemicals made from oil
- 16. Cannot be replenished a short amount of time. It takes millions and billions of years.
- 21. Breaking apart of nucleus
- 25. Able to replenish in a relatively short amount of time
- 26. Factory in which separates oil into fuels and others
- 27. What happens when the fuel rods generate enough heat to melt
- 29. Energy from Earth's core
Down
- 1. Energy from flowing water
- 2. Light Bulb that uses more energy
- 3. This is the simplest element.
- 4. How you get geothermal energy
- 7. Mixture of alcohol and gasoline
- 9. Light bulb that conserves more energy
- 11. Biomass fuels are wood, plant parts, food wastes, and...
- 15. Energy from the sun
- 17. Mostly used for commercial hydrogen in the U.S.
- 18. Combination of two nuclei
- 19. Used to collect wind energy
- 20. Three ways to conserve energy around your home is to turn off the faucet, close the lights, and...
- 22. 71% of coal is used for this
- 23. 19.9% of U.S electricity is produced from this type of energy
- 24. The three main fossil fuels are coal, oil, and...
- 28. Hydrogen is used for treating metals, producing fertilizer, processing foods, and...