Energy-Form 3

  • Created by: Iz6379
  • Created on: 28-05-19 12:02
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  • Energy
    • Energy stores
      • GPE-dropping a bouncy ball
      • Kinetic-a person walking
      • Electrical-food mixer
      • EPE-rubber band
      • Sound-speaker
      • Chemical-battery
      • Thermal-burning fire
    • ENERGY CAN'T BE DESTROYED OR CREATED IT CAN ONLY BE TRANSFORMED FROM ONE FORM TO ANOTHER
      • A torch being switched on
      • A kettle being boiled
    • Sometimes we get unwanted energy
      • When you bounce a ball it makes a sound, which we don't need
    • A pendulum motion
      • As the pendulum swings down and towards the centre ,it's GPE store decreases and the kinetic energy increases
      • As the pendulum moves up and away from the centre, it's GPE store increases and it's kinetic store decreases
    • Conservation of energy
      • In a closed system energy is conserved
      • Energy is also transferred through heat due to friction
      • chemical-EPE-GPE-sound
        • muscles-until the rope straightens out-when the person starts to bounce back up

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