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Science Vocab
| Term | Definition |
|---|---|
| El Niño | unusual pattern of warm winds over the western Pacific Ocean |
| La Niña | when surface waters in the eastern pacific are colder then normal |
| global warming | the gradual increase in temperature of Earth's atmosphere |
| greenhouse gas | gases in the atmosphere that trap energy |
| chlorofluorcarbon | a compound that are a major cause of ozone depletion |
| fuel | a substance that provides energy |
| energy transformation | a change from one form of energy to another |
| combustion | fuels contain stored chemical energy which can be released |
| fossil fuel | energy rich substances formed from the remains of organisms |
| hydrocarbon | chemical compounds that contain carbon and hydrogen atoms |
| petroleum | another name for oil |
| refinery | a factory in which crude oil is heated and separated into fuel and other products |
| petrochemical | compounds made from oil |
| coal | a solid fossil fuel formed from plant remains |
| oil | a thick, black, liquid fossil fuel |
| natural gas | mixture of methane and other gases |