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Fossil fuels
Petroleum,natural gas, and coal are 3 kinds what? |
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| The type of fossil fuel that forms only from the remains of plants |
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| Unwanted radioactive products formed during nuclear reactions are called |
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| Devices that use semiconductors to produce electricity from solar energy |
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| Electricity produced by falling water |
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| Water that flows due to the gravitational forces among Earth, the Moon, and the Sun has energy referred to as |
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| The chain reaction in a nuclear reactor is controlled by inserting the |
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| The efficiency od most power plants is approximately |
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| _______ is converted into energy is common to both nuclear fusion and nuclear fission |
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| ________ is a example of a nonrenewable source of energy |
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| The most abundant fossil fuel |
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| Renewable organic matter, such as wood and rice hulls, are a example of |
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| Maintaining very high temperatures |
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| Is a major problem with developing a fusion reactor |
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| When petroleum is separated into gasoline, lubicating oils, and other products through this process |
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| Used to control the reaction in a nuclear fission reactor, the neutronsare slowed by ______ |
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| The part of a nuclear reactor, electricityis produced from ________ |
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| Electricity from a nuclear reactor is produced from |
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| A disadvantage of using tidal energy is __________ |
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| The supply of fossil fuels is diminishing |
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| One reason alternative energy sources are needed is because ________ |
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| Compare and contrast the waste products of nuclear fusion and nuclear fission |
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Fusion- NOT radioactive
Fission- radioactive |
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| What is Petroleum formed from and what is it's state of matter? |
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Formed from- Ancient marine organism
State of matter- liquid |
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| What is Coal formed from and what is it's state of matter? |
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Formed from- Decaying swamp plant matter
State of matter- solid |
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| What is Natural gas formed from and what is it's state of matter? |
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Formed from- ancient marine organism
State of matter- gas |
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Renewable or NOT renewable?
Solar energy
Wind energy
Tidal energy
Geothermal energy
Fossil fuel energy |
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Solar- renewable
Wind- renewable
Tidal- renewable
Geothermal- renewable
Fossil Fuel- NOT renewable |
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| Law of Conservation of Energy |
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| Energy can be neither created or destroyed |
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-expensive
-ugly
-distructive to animals
-NOT renewable |
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| Production of electrical energy through nuclear fission |
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1. A nuetron bombards a uranium-235 isotope
2. u-235 splits, producing 2 smaller nuclei, 3 neutrons, and thermal energy
3.thermal energy is released by the reacton is added to water
4. Hot water produces steam
5. Steam rotates turbine
6. Mechanical energy from turbine blades are transferred to an electrical gen.
7.electricity is carried to community through wires |
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| Uses the sun to generate electricity |
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| Uses the thermal energy inside the earth |
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| Energy produced by the rise and fall of the ocean levels |
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| oil, natural gas, and coal |
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| Fossil fuels are nonrenewable reasources because |
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| They are being used faster than they are being produced |
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| ________ % of energy used in U.S.A. comes form burning petroleum, natural gas, and coal? |
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