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33 Cards in this Set
- Front
- Back
Burning of fuels is also called:
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combustion
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Substances that provide energy are called:
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fuels
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changing energy from one kind to another is called:
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energy transformation
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What is a fossil fuel made of?
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remains of organisms
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What are the 3 main fossil fuels?
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coal, oil, natural gas
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When hydrocarbons are burned, what 3 things are released?
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energy, carbon dioxide and water
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Which fossil fuel is made from the remains of plants?
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coal
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Which fossil fuel do we have the most of in the U.S.?
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coal
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Which fossil fuel comes from the remains of organisms that lived in the oceans?
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oil (petroleum)
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Oil that first comes out of the ground is called:
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crude oil
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A _________ is a place where crude oil is separated into fuels and other products.
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refinery
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Where is natural gas usually found?
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in a pocket of gas in a rock above oil deposits
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the major disadvantage of using coal for energy is___
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air pollution
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The main disadvantage of natural gas is ______
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it's highly flammable (can explode and cause a fire)
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Water in a dam can be used to create ______ power
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hydroelectric
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Most widely used source of renewable energy
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hydroelectric
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We can not have wind without _____________
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sun-because it causes the air to move when it heats it unevenly
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When we burn living things to create fuel, we are usually ________ fuel
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biomass
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Getting energy using the heat from the earth's interior is called ________________
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geothermal energy
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splitting of an atoms nucleus
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nuclear fission
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joining nuclei from two atoms
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nuclear fusion
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Used to regulate nuclear fission reactions
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control rods
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When nuclear fuel rods over heat, a ___________ can occur
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meltdown
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Which produces more energy-nuclear fission or nuclear fusion?
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fusion
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What is the biggest problem with nuclear fission?
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the disposal of the radioactive wastes
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The percentage of the energy actually used to perform work is called __________
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efficiency
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How can we increase efficiency in the heating and cooling of our houses?
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insulation
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Reducing energy use is called
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energy conservation
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Fossil Fuels are rich in energy because they contain __________
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hydrocarbons
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Resources that are used faster than they can be replenished are called ____
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nonrenewable
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The biggest advantage of solar energy is:
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It will not run out for billions of years
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In which part of a nuclear reactor does fission occur?
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reactor vessel
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Which type of nuclear reaction is now being used to make electricity?
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nuclear fission
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