6th Grade Science Glencoe Chapter 5 – Flashcards
16 test answers
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reserve
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the amount of a fossil fuel that can be extracted at a profit using current technology
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nuclear energy
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alternate source of energy produced from atomic reactions
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inexhaustable resources
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resources that can not be used up such as solar energy, wind farms, hydroelectric energy
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solar energy
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energy from the sun
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wind farms
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a place where a large number of windmills are placed in one area for the purpose of generating electricity
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hydroelectric energy
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electricity produced by waterpower
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geothermal energy
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energy obtained by using hot magma or hot, dry rocks inside Earth
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renewable resources
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resources that can be replaced in nature or by humans within a relatively short period of time
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biomass
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energy derived from burning organic material such as wood, alcohol, and garbage
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mineral resource
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a deposit of useful minerals
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ores
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deposits in which mineral or minerals exist in large enough amounts to be mined at a profit
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recycling
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using old materials to make new ones
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