Chapter 13 Vocabulary Review

2. The storage of water in a reservoir behind a dam.
7. Alcohol made by converting starches and sugars from plant material into alcohol and CO2.
9. Construction designed to take advantage of solar radiation without active technology.
12. The greatest quantity of energy used at any one time.
15. An activity that does not change atmospheric CO2 concentrations.
20. Hydroelectricity generation in which water is retained behind a low dam or no dam.
24. A diesel substitute produced by extracting and chemically altering oil from plants.
25. An energy source that can be regenerated indefinitely as long as it is not overharvested.
26. In energy management, an energy source that is either potentially renewable or nondepletable.

1. A billing system used by some electric companies in which customers pay higher rates as their use goes up.
3. Energy captured from sunlight with intermediate technologies.
4. A turbine that converts wind energy into electricity.
5. The process of removing more than is replaced by growth, typically used when referring to carbon.
6. Energy that comes from the movement of water driven by the gravitational pull of the Moon.
8. Energy generated from the kinetic energy of moving air.
10. A technology that transfers heat from the ground to a building.
11. Liquid fuels created from processed or refined biomass.
13. The implementation of methods to use less energy.
14. Heat energy that comes from the natural radioactive decay of elements deep within Earth.
16. An energy source that cannot be used up.
17. The ability of a material to maintain its temperature.
18. Carbon in fossil fuels.
19. The application of an electric current to water molecules to split them into hydrogen and oxygen.
21. An energy source with a finite supply, primarily the fossil fuels and nuclear fuels.
22. An electrical-chemical device that converts fuel, such as hydrogen, into an electrical current.
23. Carbon in biomass that was recently in the atmosphere.