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  • 1. Understanding renewable and non-renewable energy
  • 2. What renewable energy is? _____ ________ ____ ___ __ ___________ __ ________
  • 3. What non-renewable energy is? _____ ________ ____ ______ __ ___________ __ ________
  • 4. Energy Resources
  • 5. Energy Renewable energy Non-renewable energy Sun Wind Biomass Petroleum Coal Natural gas
  • 6. The Sun
  • 7. Sun is the source of solar energy. The sun is always present. Using solar energy, does not make the sun smaller or reduce its ability to provide energy. It is a renewable energy because sun is always present whether we use it or not.
  • 8. Wind
  • 9. Power of the wind help to generate the wind. Wind can turn the vanes of wind powered generators to produce electricity. Like the sun, the wind is always present whether we choose to use it power or not. It is a renewable energy because wind is always available whether we use it or not.
  • 10. Biomass
  • 11.
    • Any organic materials that can be
    • converted into energy or into a source of
    • energy.
    • Ex: waste products such as unwanted
    • oil palm parts, spoiled grain, tree limbs,
    • garbage, paper and manure.
    • Using special process, biomass can
    • produce fuel such as ethanol, methane
    • and fuel oil.
    • The source of biomass materials can be
    • grown or planted for replenishment.
  • 12. Petroleum
  • 13. Formed from the remains of organisms that died millions years ago. It will take millions of years for petroleum to form if we finish using. It cannot be renewed or replenished. So it known as renewable energy.
  • 14. Coal
  • 15.
    • Developed from the remains of plants
    • that died 400 millions of years ago.
    • The coal-forming plant grew in swamps.
    • It will take millions of years for coal to
    • form.
    • So it is under non-renewable energy .
  • 16. Natural gas
  • 17.
    • Natural gas is a fossil fuel and is formed
    • in the same way as petroleum.
    • It often found where petroleum is found.
    • It will take millions of years to form.
    • Natural gas also under non-renewable
    • energy

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