Science Vocab 1

Beth K.
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Full list of words from this list:

words only definitions & notes
  1. throughput
    output relative to input
    However, while U.S. refinery throughput and crude oil production declined 2.5 percent in 2008, crude oil and natural gas drilling increased by 6.3 percent and natural gas production rose by 4.4 percent.
  2. greenhouse gas
    a substance in the air that warms a planet by trapping heat
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  3. emission
    the act of causing to flow forth
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  4. natural gas
    a fossil fuel in the gaseous state
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  5. methane
    a colorless, odorless gas used as a fuel
    The study found that the emission reductions fell into three major categories:

    Fuel substitution (which accounted for 46 percent of the total reduction, and which largely reflects enhanced management of methane in the natural gas supply and distribution network)

    Non-hydrocarbon fuels (19 percent of the total reduction, from investments in wind and solar)

    End-use efficiency improvements (35 percent of the total reduction, from investments in combined heat and power)

    Besides low-car...
  6. carbon
    an abundant nonmetallic element in all organic compounds
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  7. hydrocarbon
    an organic compound containing only carbon and hydrogen
    The study found that the emission reductions fell into three major categories:

    Fuel substitution (which accounted for 46 percent of the total reduction, and which largely reflects enhanced management of methane in the natural gas supply and distribution network)

    Non-hydrocarbon fuels (19 percent of the total reduction, from investments in wind and solar)

    End-use efficiency improvements (35 percent of the total reduction, from investments in combined heat and power)

    Besides low-car...
  8. metric
    based on a decimal unit of measurement
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  9. carbon dioxide
    a colorless, odorless greenhouse gas essential for photosynthesis
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  10. petroleum
    a dark oil consisting mainly of hydrocarbons
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  11. refinery
    an industrial plant for purifying a crude substance
    However, while U.S. refinery throughput and crude oil production declined 2.5 percent in 2008, crude oil and natural gas drilling increased by 6.3 percent and natural gas production rose by 4.4 percent.
  12. dioxide
    an oxide containing two atoms of oxygen in the molecule
    Greenhouse gas emissions from the U.S. oil and natural gas industry declined more than 48 million metric tons of carbon dioxide equivalent from 2007 to 2008, a reduction comparable to taking 9.7 million cars off the roads, an American Petroleum Institute-sponsored study estimates.
  13. solar
    relating to the sun or utilizing the energies of the sun
    The study found that the emission reductions fell into three major categories:

    Fuel substitution (which accounted for 46 percent of the total reduction, and which largely reflects enhanced management of methane in the natural gas supply and distribution network)

    Non-hydrocarbon fuels (19 percent of the total reduction, from investments in wind and solar)

    End-use efficiency improvements (35 percent of the total reduction, from investments in combined heat and power)

    Besides low-car...
Created on 十月 8, 2010

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