Across
- 2. carbon, many people are confused how burning biomass such as wood is better than burning coal.
- 4. cell, a device that operates like a common battery where electricity is generated by a reaction between two chemicals.
- 6. Solar energy, can lower your electricity bill without the need for pumps or other mechanical devices.
- 7. energy, Tides are another source of moving water.
- 9. sands, slow-flowing, viscous deposits of bitumen mixed with sand, water, and clay.
- 10. is energy from the Sun
- 11. using a fuel to generate electricity and to produce heat.
- 12. used as substitutes for gasoline and diesel fuel.
- 15. is an alcohol and 90% of ethanol produced in the US comes from corn
- 17. is the splitting of an atom’s nucleus into two smaller nuclei.
- 19. electricity generated by the kinetic energy of moving water. This is the second most common form of renewable energy in the world.
Down
- 1. fossil fuels (coal, oil, natural gas) and nuclear fuels
- 3. fusion, the reaction that powers the Sun and other stars.
- 5. is another name for oil
- 8. rods- cylindrical devices that can be inserted between the fuel rods to absorb excess neutrons thus slowing or stopping the fission reaction.
- 10. is a direct substitute for petroleum-based fuel.
- 13. rods, the cylindrical tubes that house the nuclear fuel used in a nuclear power plant.
- 14. is the most plentiful fossil fuel in the U.S.
- 16. turbine, using a wind turbine to convert kinetic energy into electrical energy.
- 18. a degraded type of petroleum that forms when petroleum migrates close to the surface, where bacteria metabolize some of the light hydrocarbons and others evaporate