Science - Energy

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Science - Energy
2012-04-25 07:39:06

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  1. What is energy?
    This is the ability to do work or move something
  2. What unit is used to measure energy?
    Joule (J)
  3. List the different types of energy
    • Potential Energy
    • Magnetic Energy
    • Sound Energy
    • Kinetic Energy
    • Chemical Energy
    • Nuclear Energy
    • Heat Energy
    • Light Energy
    • Electrical Energy
  4. What is the conservation of energy?
    This states that energy cannot be made or lost but it can change from one form to another
  5. State examples of energy changes that occur in every day life
    An electric kettle changes electrical energy into heat energy

    An electric bulb changes electrical energy into light energy

    A fire changes chemical energy into heat energy
  6. Explain renewable energy
    This is energy that can be used over and over again
  7. Give examples of renewable energy
    • Wind
    • Solar
    • Tidal
    • Wave
    • Hydro
  8. Explain non-renewable energy
    This is energy that cannot be used over and over again
  9. Give examples of non-renewable energy
    • Coal
    • Oil
    • Turf
    • Gas
  10. List ways in which we can save energy in our homes and schools
    • Put laggin jackets on hot water tanks
    • Insulate the attic
    • Have double glazed windows
    • Use carpets and curtains
    • Do not leave doors and windows open

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