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Unit 7 6th Grade

Energy Use and Renewal

renewable resources materials from the environment that people use that can be replaced relatively quickly
nonrenewable resources materials from the environment that people use that cannot be replaced
inexhaustible resources an energy source that cannot be used up
fossil fuels a fuel formed from the decay of ancient forms of life (oil, coal, petroleum, natural gas-methane, propane, butane)
alternative energy source a source of energy other than the burning of a fossil fuel
nuclear energy energy contained in the nucleus of an atom
geothermal energy heat from below Earth's surface
hydroelectricity electricity generated by running water
pollution a harmful change to the environment
smog a mixture of smoke and fog, formed when smoke and fumes collect in moist, calm air
acid rain acid that is formed when the sulfur and nitrogen gases produced by burning fossil fuels combine with water vapor in the air then fall Earth as rain
thermal pollution the addition of warm water into a stream or lake that is normally cold
monetary costs the cash value of energy use; examples include the cost of heating a home or the large amount of money used to clean up an oil spill
nonmonetary costs the environmental consequence of energy use; examples include the generation of pollution and long-term health problems caused for people
cost-effectiveness a measure determined by comparing the costs and the consequences of different ways of doing something
conservation saving, protecting, or using natural resources wisely
biomass resource that comes from living, or recently living organisms
hydrogen fuel hydrogen gas burned as an energy source
reduce to use less of something
reuse to use something again
recycle to make new objects or materials from old objects or materials
solar energy inexhaustible supply of energy from the Sun
wind energy inexhaustible supply of energy from the atmosphere's moving air (powered by the Sun)
Created by: SSmith01