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Forms of Energy

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  • This is an example of Mechanical energy. True or false? (Explain)
    True. When the arrow is pulled back there is potential energy, when it is released the force of the speed creates kinetic energy. Both = mechanical energy.
  • Stored in objects. When this energy is released, it can do work.
    Potential energy
  • Kinetic + Potential energy =
    Mechanical energy
  • Describe light energy
    Light energy is produced by the sun and very important for the biosphere. There are other natural and artificial sources but the sun is the most important.
  • Describe thermal energy
    Thermal energy is the result of movement of tiny particles within an object. The faster they move, the more heat is generated.
  • Describe chemical energy and how food gives us energy
    Stored energy which is released when a chemical reaction takes place. The chemicals in food are broken down to produce a different form of energy.
  • The result of movement of tiny particles within an object. The faster they move, the more heat is generated.
    Thermal energy
  • What type of energy is this?
    Thermal energy
  • Describe sound energy/ sound waves
    When an object vibrates, air particles around it vibrate too. This causes sound waves, which we can hear.
  • When the force of the water moves turbines we call this ______ energy.
    Mechanical energy
  • Produced by movement. The heavier an object is and the faster it moves, the more ____ energy it has. Water is an example.
    Kinetic energy
  • Produced by the sun and very important for the biosphere
    Light energy
  • What type of energy is this?
    Light energy
  • Energy made by vibrations in the air.
    Sound Energy
  • Describe Potential energy
    Stored in objects. When this energy is released, it can do work.
  • Stored energy which is released when a chemical reaction takes place.
    Chemical energy
  • What is electric energy used for?
    To power machines because it can transform into many forms.
  • What type of energy is this?
    Kinetic energy
  • Used to power machines because it can be transformed into many different forms.
    Electrical energy
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