Across
- 2. liquid fossil fuel that can be burned to transfer energy
- 6. a device in a power plant that reduces the amount of released pollutants sent into the air.
- 8. device that contains a wheel with blades that rotate by pressure of moving water steam and air
- 9. gas, a gas that makes the atmosphere able to hold more heat such as carbon dioxide and water vapor
- 11. made for a specific purpose
- 14. device that changes the energy of motion into electrical energy
- 16. solid fossil that is burned to transfer energy
- 19. fuel, a substance produced by pressure and decaying organisms that is used for energy
- 20. substance that releases energy when it burns
- 21. energy, energy created by pressure and heat underneath Earths crust
Down
- 1. or most important
- 3. the release of something into the environment
- 4. the result of an event
- 5. an effect
- 7. device that stores chemical energy that can change into electrical energy
- 10. gas, a fossil fuel gas that is burned for energy
- 12. fuel, an energy source made from unstable elements such as uranium
- 13. a harmful substance released into the environment
- 15. can be used
- 17. energy from the movement of water
- 18. burning of a fuel to produce heat and light