3rd Grade-Ch. 13 Lesson 1 What is energy?
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3rd Grade-Ch. 13 Lesson 1 What is energy?

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3rd Grade-Ch. 13 Lesson 1 What is energy? 3rd Grade-Ch. 13 Lesson 1 What is energy? Presentation Transcript

  • Ch. 13 Lesson 1 What is energy?
  • energy
    • ability to do work & cause a change in matter
  •  
  • examples of forms of energy:
    • Heat
    • Light energy
    • Electrical energy
    • Sound energy
    • Chemical energy
  • potential energy
    • Stored energy
    • Ability to change into another kind of energy to do work or cause a change
  •  
  • fuel
    • source of potential energy
    • examples:
    • fossil fuels- oil, coal, gasoline – energy comes from sunlight
    • batteries
  •  
  • potential energy __________ kinetic energy changes to
  • kinetic energy
    • energy of motion
  • kinetic energy
    • examples:
      • car burning gasoline  car moves
      • skier skiing downhill
  •  
  •  
  • energy