| A | B |
|---|
| turbine | device that converts the winds energy into electrical energy |
| active | solar heating that uses technology to collect, move and store heat from the sun |
| geothermal | uses high pressure combined with the breakdown of radioactive elements |
| biodiesel | produced from vegetable oil |
| gashol | blend of gasoline and alcohol |
| electrons | photovoltaic cells create electric current by using a flow of these |
| run of the river approach | uses the natural flow of the river to turn turbines |
| ethanol | comes from the fermentation of starches and sugars |
| kinetic energy | hydropowr uses this type of energy to generate electricity |
| tidal energy | can be harvested from the Bay of Fundy |
| methane | fuel produced when microorganisms decompose landfill waste |
| wind | most rapidly growing alternative energy |
| biopower | electricity generated from burning switchgrass |
| flat plate solar collector | uses a black metal plate to absorb energy |
| biomass energy | used to boil water over a campfire |
| fossil fuels | using alternative energy helps reduce our use of these |
| passive solar energy | a greenhouse uses this type of energy |
