Across
- 4. Original source of energy in wind and flowing water
- 6. This is conserving energy use
- 9. Energy-rich compound containing carbon and hydrogen atoms
- 12. In a power plant, the reactor contains fuel...
- 14. Coal, oil, and natural gas
- 15. The type of energy obtained by drilling
- 17. A compound made from oil
- 19. Most of coal is used for this
- 20. Energy obtained by the movement of water
- 24. Hydrogen is nor commonly used as a fossil fuel because it's too...
- 25. Obtaining geothermal energy causes the Earth to...
- 29. Mixture of gas and alcohol that can power up cars and methane gas
- 30. Coal is not commonly used for this
Down
- 1. Gas found within rock underground after millions of years
- 2. Layer of materials that trap air and keep in heat
- 3. These rods are used to slow down the heat in power plants
- 5. Where nuclear fission occurs
- 7. oil is mainly used for this
- 8. These panels are put on roofs to obtain energy
- 10. Where wind farms are, wind has to be...
- 11. The type of energy obtained by burning organic matter
- 13. The energy conversion that occurs when a car engine burns gasoline
- 16. Can't be replaced
- 18. Water moves through these to create hydropower energy
- 21. Can be replaced
- 22. Type of energy that uses the suns heat
- 23. 1 acre area that contains turbines to generate energy
- 26. Substance that provides energy
- 27. Storms rip apart solar...
- 28. Solar energy can't be obtained when the sun isn't...