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Renewable and Non-Renewable Resources


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

Renewable and 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 to
  • 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.

  • 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.

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.

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

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.

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
  • Non-renewable resources are rocks, minerals, oil
    and coal.
  • Almost all of the energy that humans use comes
    from this type of resource.

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
  • Example Oil is used to make gasoline, plastics,
    fertilizers, and pesticides.

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.

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

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.

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.

Soil (renewable)
  • Soil is a combination of organic materials and
    tiny bits of weathered rock.
  • Soil takes longer to renew than water, plants, or
  • 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.

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.

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

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