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Ch 5 Science Vocab
Question | Answer |
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natural resources | Any natural material that is used by humans. Such as water, petroleum minerals, forests and animals |
rnewable resources | a natural resource that can be replaced at the same rate at which the resource is consumed |
non-renewable resource | a resource that forms at a rate that is much solwer than the rate at which it is consumed |
recycling | the process of recovering valuable or useful materials from waste or scrap. The process of reusing some items |
fossil fuel | a nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas. |
petroleum | a liquid mixture of complex hydrocarbon compunds; used widely as a fuel source. |
natural gas | a mixture of gaseous hydrocarbons located under the surface of the earth, often near petroleum deposits; used as a fuel. |
coal | a fossil fuel that forms underground from partially decomposed plant material |
acid precipatation | precipitation such as rain, sleet or snow that contains a high concentration of acids, often because of the pollution of the atmosphere |
smog | photochemical haze that forms when sunlight acts on industrial pollutants and burning fuels. |
nuclear energy | The energy released by a nuclear reaction, especially by fission or fusion |
chemical energy | The energy released when a chemical compond reacts to produce new compounds. |
solar energy | The energy received by the Earth from the sun in the form of radiation |
wind power | the use of a windmill to drive an electric generator. |
hydroelectric energy | electrical energy produced by falling water |
biomass | organic matter that can be a source of energy. |
gasahol | a mixture of gasoline and alcohol that is used a as a fuel |
geothermal energy | the energy produced by heat within the earth |