Natural Resources

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Natural Resources

• Chap 4 Sec 3

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Natural Resource anything people get from the
earth that has value.
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Renewable Resource

• Resources that natural continually replaces.

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Soil and forest are examples
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Deforestation is the destruction of forests.
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Reforestation replanting of trees.
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Non-renewable resources

• Resources that cannot be replaced naturally after
  they have been used.

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Minerals

• Solid substances that come from the ground.
• Metals rock salt

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Fossil Fuels

• Coal
• Oil
• Natural Gas

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Coal come from ancient swamps and bogs.
Petroleum natural gas are the remains of tiny
plants and animals that lived in seas and lakes.
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Coal is used in steam engines and steel mills.
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Oil is made into gasoline, diesel, heating fuel
asphalt.
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Natural gas is used for home/industrial heating
and cooking.
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Coal, Oil and natural gas are all burned to
produce electricity.
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Fossil Fuels are also used to make
chemicalscalled Petrochemicals.
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Petrochemicals are used for explosives, food
additives, medicines, pesticides, and plastics.
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Having a dependable source of fossil fuels is a
key factor for a countrys economic success.
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Other energy resources

• Hydroelectric power -moving water. Need to be
  near water
• Geothermaluse heat from earths interior to make
  steam. Need to be in place with volcanoes or hot
  springs

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Solarenergy from sun. Limited by storage
capacity.

• Nuclearusing uranium. Radioactive waste.

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What determines if a resource is valuable?
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A resource is only valuable if the culture has a
USE for it.

• Oil
• Uranium
• Changes over time

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Resources are unevenly distributed around the
world.
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Causes rich and poor nations.
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Causes trade and also war between nations.
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Trade happens if one nation has something
another doesnt.
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Or if one nation can supply something cheaper
than the other country can produce.