Studied by 0 peopleRenewable Resource
________: an energy source that is replaced nearly as quickly as it is used.
Power Lines
________ carry the electrical energy you use every day.
Petroleum Products
When ________ and coal are burned, smoke is given off that contains small particles called particulates.
Windmills
________ also can use the energy of the wind to generate electricity.
Nonrenewable Resources
________: sources that can not be replaced by natural processes as quickly as they are used.
Natural Gas
________ contains more energy per kilogram than petroleum or coal does.
Solar Cells
________ convert radiant energy from the Sun to electricity.
Fossil Fuels
When ________ are burned, carbon and hydrogen atoms combine with oxygen molecules in the air to form carbon dioxide and water molecules.
Petroleum
________: highly flammable liquid formed by decayed ancient organisms, such as microscopic plankton and algae.
Chernobyl
An explosion occurred at the ________ reactor in the Ukraine after graphite control rods caught fire.
Helium
________ is not radioactive and is chemically nonreactive.
Hydroelectricity
________: Electricity produced from the energy of moving water.
Heat
________ is generated within Earth by the decay of radioactive elements.
Biomass
________: renewable organic matter, such as wood, sugarcane fibers, rice hulls, and animal manure.
environmental damage
The mining of the uranium can cause ________.
Ancient Organisms
The chemical processes that produce petroleum as ________ decay also produce gaseous compounds called natural gas.
Coal
________ also is a complex mixture of hydrocarbons and other chemical compounds.
Thermonuclear Fusion
________ is the joining together of small nuclei at high temperatures.
Nuclear Fusion
In ________, two smaller nuclei join together to form a larger nucleus.
Geothermal Energy
________: The thermal energy that is contained in hot magma.
Fission Reaction
Water or another coolant is pumped through the core to remove the heat produced by the ________.
Nucleus Splits
When a neutron strikes the nucleus of a U- 235 atom, the ________ apart into two smaller nuclei.
Fuel Rods
The ________ are bundled together, and the bundle is covered with a metal alloy.
Nuclear Reactors
________ have elaborate systems of safeguards, strict safety precautions, and highly trained workers in order to prevent accidents.
Nuclear Waste
________: any radioactive by- product that results when radioactive materials are used.
Photovoltaic Cell
________: converts radiant energy from the Sun directly into electrical energy.
Coal mines
________ were once the sites of ancient swamps.
Nuclear Radiation
The water absorbs the ________ and prevents it from escaping into the environment.
Fossil Fuels
________ are burned to generate electricity in a power plant.
Natural Gas
________ is burned to provide energy for cooking, heating, and manufacturing.
Petroleum
________ is a mixture of thousands of chemical compounds.
Solar Cells
________ are made of two layers of semiconductor materials sandwiched between two layers of con- ducting metal.
Coal
________ is a solid fossil fuel that is found in mines underground.
Fossil Fuels
________: formed from the decaying remains of ancient plants and animals.
Fossil Fuels
When ________ are burned in power plants, not all of the chemical energy stored in the fuels is converted into electrical energy.
Fossil Fuels
formed from the decaying remains of ancient plants and animals
Petroleum
highly flammable liquid formed by decayed ancient organisms, such as microscopic plankton and algae
Nonrenewable Resources
sources that cannot be replaced by natural processes as quickly as they are used
Nuclear Reactor
uses the energy from controlled nuclear reactions to generate electricity
Nuclear Waste
any radioactive by-product that results when radioactive materials are used
Renewable Resource
an energy source that is replaced nearly as quickly as it is used
Photovoltaic Cell
converts radiant energy from the Sun directly into electrical energy
Hydroelectricity
Electricity produced from the energy of moving water
Geothermal Energy
The thermal energy that is contained in hot magma
Biomass
renewable organic matter, such as wood, sugarcane fibers, rice hulls, and animal manure
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