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Energy Transfers 01
When a cyclist brakes thermal (heat) energy is produced by friction.

Energy Transfers 01

Some ways that energy transfer occurs are: radiation, heat conduction, convection, electrical power transmission and mechanical work. In Science, the Law of Conservation of Energy states that energy can be transformed, it can't be created or destroyed.

  1. Which is the MAIN energy transfer taking place when a candle burns?
    1 - Thermal energy is also produced
  2. Which is the MAIN energy transfer taking place when a gas fire burns?
    2 - The energy stored in gas is chemical, light is also produced but is not the main product
  3. Which is the MAIN energy transfer when a light bulb is switched on?
    1 -
  4. Which is the MAIN energy transfer when using a microphone?
    3 - A microphone converts sound into an electrical signal. This is then passed to a speaker which reverses the process
  5. Which is the MAIN energy transfer in a loudspeaker?
    1 -
  6. Which is the MAIN energy transfer when you drop a ball?
    3 - The ball has potential (stored) energy due to gravity
  7. Which is the MAIN energy transfer in a solar cell on a calculator?
    2 -
  8. Which is the MAIN energy transfer when a cyclist brakes to stop?
    3 - The thermal (heat) energy is produced by friction
  9. Which is the MAIN energy transfer when a ball rolls UP a ramp?
    1 - As the ball rolls up, it gains potential energy due to gravity
  10. Which is the MAIN energy transfer when a wind-up clockwork toy is released?
    1 -

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