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Unit 4 Vocabulary
1.Natural Resources - natural things (land,
water, air) that you would use.
2.) Lithosphere - the rigid outer layer of the
Earth including the crust and upper mantle.
3.) Agriculture - impacts land, primary use is
farming and herding of animals.
4.) Peat - the first stage that coal passes
through, partially decayed plant material
(sometimes like soil).
5.) Uranium - an important metal, a radioactive
material that can be decayed and used as a
power source.
6.) Alternative Energy Sources - different ways
to get power/energy (clean energy - wind, solar
geothermal, hydroelectric)
7.) Renewable Resources - a resource that is
virtually inexhaustible or that can be
replenished over relatively short time spans.
8.) Nonrenewable Resources - resources that
take millions of years to form (can’t get back)
9.) Coal - important fossil fuel, formed when
heat and pressure transform plant material over
millions of years.
10.) Fossil Fuels - any hydrocarbon that may
be used as a source of energy.
11.) Point Source Pollution - water pollution that
comes from a known and specific location.
12.) Nonpoint Source Pollution - water pollution
that does not have a specific point of origin.
13.) Runoff - water that flows over the land’s
surface rather than seeping into the ground.
14.) Conservation - the careful use of
resources.
15.) Sustainability - living on Earth in a way that
allows humans to use its resources without
depriving future generations of the resources.
16.) Urbanization - the transfer of land into an
urban area.
17.) Deforestation - the cutting down of a forest
to use the lumber for human use.
18.) Harvesting - when crops are gathered for
human consumption - can lead to erosion.
19.) Mining - when people dig up large areas of
land to gain resources (ex.gems, coal, etc.)
20.) Drilling - using heavy machinery to obtain
resources from deep underground (ex. oil)
21.) Plutonium - another nuclear energy
source, radioactive