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ENERGY SOURCES

6.7A ENERGY SOURCES

QuestionAnswer
ENERGY Ability of a system to do work; required for changes to happen within a system.
ENERGY RESOURCE Source or supply of energy that can be used to generate electrical power to meet people's needs.
RENEWABLE ENERGY Energy resource such as trees or wind that is replaceable by natural means.
NONRENEWABLE ENERGY Energy resource that takes millions of years to form from the remains of plants & animals; examples include fossil fuels and nuclear energy.
FOSSIL FUEL 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 Hard, black solid fuel formed from the remains of plants over millions of years & extracted from the ground; nonrenewable fossil fuel.
PETROLEUM (OIL) Flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally beneath Earth's surface; nonrenewable fossil fuel processed to make gasoline used in vehicles.
NATURAL GAS Gas, usually found in the ground positioned above petroleum deposits, that's burned to obtain energy; nonrenewable fossil fuel.
NUCLEAR POWER Energy harnessed from the decay of uranium atoms.
BIOMASS Material derived from living things; renewable energy source.
WIND ENERGY Turbines harness the movement of air & convert it to usable energy; renewable energy source.
HYDROPOWER Renewable source of energy based on the natural movement of water.
GEOTHERMAL ENERGY Heat transferred from beneath the Earth's surface & used to produce renewable energy for human use.
SOLAR RESOURCES Sun's energy is collected & converted to usable energy; renewable energy resource.
POLLUTION 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: trauberk
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