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Alternative Energy
Vocabulary
| Defintition | Term |
|---|---|
| energy resources that are used in place of or to supplement fossil fuels | alternative energy |
| energy generated through the processing of renewable plant and animal materials | biofuels |
| energy from underground heat of Earth | geothermal energy |
| energy generated for heat and electricity using the power of falling water or water moving through a dam | hydroelectric energy |
| energy from the Sun in the form of light or heat | solar energy |
| energy generated from the movement of air | wind energy |
| natural resources of Earth that will not run out or can be replaced in a reasonable amount of time | renewable resources |
| natural resources of Earth that are used up at a rate faster than they can be replaced | nonrenewable resources |
| a renewable energy source from organic material, such as wood, that is burned to release heat energy | biomass |
| a machine used to convert mechanical energy into electrical energy | generator |
| a machine with spinning blades used to convert mechanical energy to electrical energy | turbine |
| panels designed to absorb sunlight that is used to generate heat or electricity | solar panels |
| to cause a change in form Example: Turbine blades spin to ______________ mechanical energy to electrical energy. | convert |
| a facility where electrical power is generated for distribution | power plant |
| a barrier built to hold back water | dam |
| a large natural or manmade lake used as a water supply for human use | reservoir |
| a colorless flammable liquid which is produced from the fermentation of sugars in plant materials | ethanol |
| the chemical breakdown of sugars in plant materials to produce ethyl alcohol | fermentation |
| a vent in Earth’s surface that erupts hot water or steam | geysers |
| pools of hot water on Earth’s surface resulting from geothermal activity beneath the surface | hot springs |
| openings in Earth’s crust that allow lava, volcanic ash and gases to escape | volcanoes |
| to make or to manufacture from raw materials | produce |