| Term 
 
        | history in energy in the US shows an increase in these two things? |  | Definition 
 
        | 1. total consumption 2. Increasing diversity of energy sources |  | 
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        | Term 
 
        | newer energy sources were previously unavailable but now are because |  | Definition 
 
        | of technological break throughs |  | 
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        | Term 
 
        | Increasing energy consumption is due to these to things |  | Definition 
 
        | 1. increasing population 2. increasing energy intensity (consumption per capita) |  | 
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        | Term 
 
        | from 1949 to 2000 there was this % change in total energy consumption (in u.s.) |  | Definition 
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        | Term 
 
        | 6 benefits of increased energy intensity |  | Definition 
 
        | 1.synonymous for development 2. supports technological innovations 3. faster wider spread communication 4. faster more voluminous transportation 6. Supports a larger human population 7. supports a human population longer   development tech innovations communication transportation population population longer |  | 
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        | Term 
 
        | ____ quads of primary energy consumption in the U.s. 2009 |  | Definition 
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        | Term 
 | Definition 
 
        | fossil fuels, hydropower, nuclear energy, wind energy etc. |  | 
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        | Term 
 | Definition 
 
        | energy stored within; can be extracted to do useful work |  | 
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        | Term 
 | Definition 
 
        | electricity and an energy carrier |  | 
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        | Term 
 
        | almost any primary energy source can be converted into |  | Definition 
 | 
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        | Term 
 
        | what tool converts primary energy into secondary? |  | Definition 
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        | Term 
 
        | coal can be _______ or _______ but it is expensive |  | Definition 
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        | Term 
 
        | energy transformations are |  | Definition 
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        | Term 
 
        | 38.19 quads of primary energy converts to ____ quads secondary |  | Definition 
 | 
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        | Term 
 
        | ____% of energy is lost when converting primary to secondary energy |  | Definition 
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        | Term 
 
        | most versatile form of energy |  | Definition 
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        | Term 
 | Definition 
 
        | easily transformed and converted back into heat motion light etc. (never see electric airplane |  | 
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        | most energy dense form of energy |  | Definition 
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        | most transportable form of dense energy |  | Definition 
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        | Term 
 
        | most abundant fossil fuel |  | Definition 
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