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Tolli/Stapp - 6

Energy Sources - 6.7A

Energy The ability of a system to do work. Energy is required for changes to happen within a system.
Energy Resource A source or supply of energy that can be used to generate electrical power to meet people’s needs.
Renewable An energy resource such as trees or wind that is replaceable by natural means.
Nonrenewable An energy resource that takes millions of years to form from the remains of plants and animals. Examples include coal, oil, and natural gas.
Fossil Fuel A natural nonrenewable fuel such as coal, oil, or natural gas formed over a very long time in the geological past from the remains of living organisms.
Coal A hard, black solid fuel formed from the remains of plants over millions of years and extracted from the ground; a nonrenewable fossil fuel.
Petroleum (Oil) A flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally beneath Earth's surface; it is a nonrenewable fossil fuel processed to make gasoline used in vehicles.
Natural Gas A gas, usually found in the ground positioned above petroleum deposits, that is burned to obtain energy; a nonrenewable fossil fuel.
Nuclear Power Energy harnessed from the decay of uranium atoms
Biomass Material derived from living things
Wind Energy Turbines harness the movement of air and convert it to usable energy; wind energy is a renewable resource.
Hydropower A renewable source of energy based on the natural movement of water
Geothermal Energy Heat transferred from beneath the surface of Earth and used to produce energy for human use
Solar Resources The Sun’s energy is collected and converted to usable energy; solar energy is a renewable resource.
Pollution The presence of harmful or unwanted levels of material in the environment
Landfill Disposal site for solid waste
Greenhouse Gases Gases in the atmosphere that trap heat within the atmosphere
Created by: foremanh
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