KS3 Science Quiz

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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.

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  1. Which is the MAIN energy transfer taking place when a candle burns?
    Thermal energy is also produced
  2. Which is the MAIN energy transfer taking place when a gas fire burns?
    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?
  4. Which is the MAIN energy transfer when using a microphone?
    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?
  6. Which is the MAIN energy transfer when you drop a ball?
    The ball has potential (stored) energy due to gravity
  7. Which is the MAIN energy transfer in a solar cell on a calculator?
  8. Which is the MAIN energy transfer when a cyclist brakes to stop?
    The thermal (heat) energy is produced by friction
  9. Which is the MAIN energy transfer when a ball rolls UP a ramp?
    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?

Author: Sue Davison

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