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Renewable and Non-Renewable Resources

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Non-Renewable Resources CSCOPE Unit 9: Earth Resources Natural Resources Natural resources are materials and energy that come from the natural world and are valuable ... – PowerPoint PPT presentation

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Title: Renewable and Non-Renewable Resources


1
Renewable and Non-Renewable Resources
  • CSCOPE Unit 9
  • Earth Resources

2
Natural Resources
  • Natural resources are materials and energy that
    come from the natural world and are valuable to
    us.
  • Natural resources include rocks, minerals, soil,
    water, and atmospheric gases.
  • Natural resources also include different types of
    energy such as solar energy, geothermal and the
    kinetic energy from wind and water.

3
  • Some resources are touchable material such as
    soil and water. Others are not, such as the Sun.
  • Natural resources can be classified as
    inexhaustible, nonrenewable and renewable.

4
Inexhaustible Resources
  • Inexhaustible resources are those materials that
    cannot be used up for millions of years. They are
    continuous and always available for human use.
  • Human activities have no impact on them.

5
Inexhaustible Resources
  • Examples of inexhaustible resources are solar
    energy, tidal forces, ocean currents and wind
    energy.

6
Examples of Inexhaustible Resources
  • The energy from the Sun is predicted to be
    available for another 5 billion years.
  • Solar energy gives us light, heat and powers the
    wind and ocean currents.
  • The gravitational pull of the moon powers the
    tides and this pull is continuous.

7
Nonrenewable Resources
  • Nonrenewable resources take millions of years to
    form. Because of the time it takes to reform
    them, they are considered nonrenewable. Once
    these resources are used up they are considered
    gone.
  • Non-renewable resources are rocks, minerals, oil
    and coal.
  • Almost all of the energy that humans use comes
    from this type of resource.

8
Fossil Fuels (non-renewable)
  • Fossil fuels, oil, coal and natural gas were
    formed from buried prehistoric plants and animals
    over millions of years.
  • These resources can be extended by recycling,
    using less, and reusing them, but they cannot be
    replaced.
  • Example Oil is used to make gasoline, plastics,
    fertilizers, and pesticides.

9
Minerals (non-renewable)
  • Minerals form very slowly. They are the main
    component of rocks.
  • Some products produced from minerals are glass,
    iron, aluminum, copper, gold, silver, diamonds,
    rubies, and pigment for paint.

10
Rocks (non-renewable)
  • Rocks are made from different types of minerals
    and form slowly.
  • Some materials manufactured from rocks are
    building materials, concrete and cement.
  • Extraction of minerals from rock through mining
    also depletes the rock reserve on Earth

11
Renewable Resources
  • Renewable resources can be replaced in a
    relatively short period of time.
  • They reproduce or renew themselves. Water, soil,
    plants, animals and components of the air are
    considered renewable.

12
Water (renewable)
  • Water is renewable because it passes through the
    water cycle.
  • Precipitation is recycled and brings water to the
    soil, oceans, aquifers, lakes, and streams.
  • Moving water can be used to create electricity.

13
Soil (renewable)
  • Soil is a combination of organic materials and
    tiny bits of weathered rock.
  • Soil takes longer to renew than water, plants, or
    animals.
  • New soil can form in a few years from decaying
    plant and animal products, bacteria and worms.
    Humans can speed up soil formation by composting.
  • Generally, forming soil from decaying organic
    matter takes less time than the weathering and
    erosion of rock material.

14
Air (renewable)
  • Air is a combination of atmospheric gases.
    Different components of the air are renewable.
  • The carbon dioxide/oxygen cycle and the nitrogen
    cycle renew the gases.

15
Plants and Animals(renewable)
  • Plants such as grasses, crops, and trees renew
    themselves.
  • Animals have many uses and are considered
    renewable as they reproduce.
  • Both plants and animals need protection from
    extinction.

16
Inexhaustible, Renewable, or Non-renewable?
  • Use the H chart in your notes to classify the
    following items
  • Water Oil Solar Energy
  • Soil Plants Animals
  • Coal Air Diamonds
  • Rocks Metal Natural Gas
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