6.7AB
Energy Sources
Picture Vocabulary
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Energy
The ability to do work or cause change
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Renewable
An energy resource that is replaceable by natural
means such as trees or wind
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Non–renewable
An energy resource that takes millions of years
to form from the remains of plants and animals
such as coal, oil, and natural gas
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A natural fuel such as coal, oil, or gas
formed in the geological past
from the remains of living organisms
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Coal
A hard, black substance extracted from
the ground and burned to obtain energy,
a non-renewable fossil fuel
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Petroleum
A thick, flammable, yellow-to-black mixture of
gaseous, liquid, and solid hydrocarbons that
occurs naturally beneath Earth's surface
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Natural Gas
A gas usually found above petroleum
deposits and burned to obtain energy,
a non-renewable fossil fuel
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Nuclear Power
The splitting of uranium atoms to release energy
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The chemical element of atomic number 92;
a gray, dense radioactive metal used as a fuel in
nuclear reactors
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Biomass
Wood chips
Ethanol
Biological material such as plant material or animal
waste converted to a useable energy source, a
renewable resource
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Ethanol fuel is a gasoline alternative manufactured
from the conversion of carbon-based feed stocks such
as sugar cane, sugar beets, switch grass, corn, and
barley. It is an alternative from petroleum-based fuels,
and it is said to be better for the environment.
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Wind Energy
Turbines harness the movement of air and convert it to
useable energy; a renewable resource
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Hydropower
The movement of water through a dam is converted to
useable energy; a renewable resource
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Geothermal Energy
Heat is harnessed from deep beneath
Earth’s surface and converted to useable energy;
a renewable resource
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Solar Resources
The Sun's energy is collected and converted to
useable energy; a renewable resource
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Pollution
The presence of harmful or unwanted levels of
material in the environment
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Landfill
Disposal site for solid waste
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Greenhouse Gases
A form of air pollution in which gases
are added to the atmosphere that prevent
the release of heat energy
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Recycling
The act of processing things that have been used so
that they may be used again
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