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NR unit 5

Biodiesel processed fuel made from vegetable oil or animal fats which can be used in unmodified diesel engines
Biofuels any plant or animal material that can be used as a fuel
Coal fossil fuel in the form of a black or brown rock that developed from plants that died between one and four hundred million years ago
Crude oil fossil fuel taken from the earth in a liquid form and then refined into different types of petroleum fuels
Ethanol a type of biofuel produced from plant materials; flammable, colorless chemical compound
Geothermal energy heated groundwater used as an energy source
Global warming the increase in the average temperature of the Earth's near-surface air and oceans
Greenhouse effect the process by which the emission of infrared radiation by the atmosphere warms the Earth’s surface
Hydropower power produced by capturing the energy of falling water
Natural gas fossil fuel taken from the earth in the form of a gas
Nuclear energy energy produced by the fission of atomic nuclei
Seismograph device using sound waves to find fossil fuels
Solar energy heat collected from the sun as an energy source
Created by: csmith7393
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