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Lesson Outline Energy resources

Terms in this set (28)

Energy
is used for electricity, transportation, and other needs
Non-Renewable
resources that are used faster than they can be replaced by natural processes are called _________ resources
Nuclear
uranium, which is used in __________ reactions, and fossil fuels, such as coal and oil, are both non-renewable energy resources
Renewable
resources are resources that can be replaced by natural processes in a relativity short amount of time
Solar
energy from the Sun, also called ____________ energy, is a renewable energy resource
United States
in the _____________, the energy to power lamps, heat houses, and run vehicles comes mostly from non-renewable energy resources, such as fossil fuels
Fossil
coal, oil, also called petroleum, and natural gas are _____________ fuels
Remains
the fossil fuels used today formed from the _____________ of organisms that lived millions of years ago
Organic
the type of fossil fuel that formed over millions of years depended on three factors: the type of ______________ matter, the temperature and pressure, and the length of time that the organic matter was buried
Coal
dead plants first formed peat and then eventually changed into harder and harder types of __________
Anthracite
the hardest coal, ______________, contains the most carbon per unit of volume and burns most efficiently
Plankton
scientists theorize that oil and natural gas formed from the remains of microscopic marine organisms called _____________
Rock
most of the oil and natural gas used today formed where forces within Earth folded and tilted thick ____________
Impermeable
deposits of oil and natural gas formed under layers of _____________ rocks
Inexpensive, transport
two advantages of fossil fuels are that they are relatively _______________ and also to _______________
Non-renewable materials, habitat
three disadvantages of fossil fuels are that thy are _______________ obtaining them can disrupt _____________ and using them causes pollution
Acidic
chemicals released when fossil fuels are burned can react with water in the atmosphere and make rain and snow more ________________
Atomic
energy released from ___________ reactions is called nuclear energy
Fission, atoms
nuclear power plants produce electricity using nuclear __________, a process that splits ____________
Uranium
one advantage of using nuclear energy is that a relatively small amount of _______________ produces a large amount of energy
Pollute
a well-run nuclear power plant does not ______________ the air, the soil, or the water
Nuclear power plants
nuclear energy has disadvantages including the fact that __________________ use non-renewable resource --- uranium --- for fuel
Chain, reaction
the ___________ reaction in the nuclear __________ must be carefully monitored so that it does not get out of control
Waste
nuclear _____________ materials are very dangerous and must be stored safely for thousands of years
Fossil, nuclear
____________ fuels and ____________ energy provide about 93 percent of U.S. energy
22 percent
the United States uses more than _____________ of the world's total energy although it contains only 4.5 percent of the world's population
Reclamation
the process in which mined land must be recovered with soil and replanted with vegetation is called _____________
Vampire, unplugging
the energy used by appliances and other electronic equipment when they are plugged in but turned off is called _____________ energy; you can conserve energy by _____________ them when they are not in use
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