Renewable Energy

2. a group of wind turbines in the same location used to produce electricity
4. a fuel derived directly from living matter
8. energy made by heat inside the Earth's crust
9. form of hydropower that converts the energy obtained from tides into useful forms of power
11. windows, walls, and floors are made to collect, store, and distribute solar energy
12. hydroelectric power
13. the total mass of organisms in a given area or volume

1. turbine having a large vaned wheel rotated by the wind to generate electricity.
3. generate solar power by using mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area
5. an electrical device that converts the energy of light directly into electricity
6. electrochemical device that combines hydrogen and oxygen to produce electricity
7. Flat plate collectors are usually placed on the roof or ground in the sunlight.
10. central heating and/or cooling system that transfers heat to or from the ground
14. a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction