Starter quiz

  • Which picture shows an elastic store of energy?
    • a moving toy car
      a moving toy car
    • a stretched spring
      a stretched spring  ✓
    • a hot cup of tea
      a hot cup of tea
  • Objects that are moving have a ______ store of energy.
    • 'kinetic' ✓
  • If an object gets hotter, its ______ store of energy increases.
    • 'thermal' ✓
  • Match each action with the energy store that increases as a result of the action.
    • Moving an object higher up ...
      ⇔
      increases the object's gravitational store of energy. ✓
    • Increasing an object's speed ...
      ⇔
      increases the object's kinetic store of energy. ✓
    • Increasing an object's temperature ...
      ⇔
      increases the object's thermal store of energy. ✓
    • Squashing an object with more force ...
      ⇔
      increases the object's elastic store of energy. ✓
  • Which of these can cause the temperature of an object to increase?
    • friction  ✓
    • electrical devices  ✓
    • the human body  ✓
    • gravity
    • chemical reactions (e.g. combustion)  ✓
  • A car drives downhill whilst also using the engine to get faster. Match each process that happens to the correct energy store that changes.
    • Fuel burning in the engine ...
      ⇔
      decreases the car's chemical store of energy. ✓
    • The car getting faster ...
      ⇔
      increases the car's kinetic store of energy. ✓
    • The car getting further down the hill ..
      ⇔
      decreases the car's gravitational store of energy. ✓
    • The engine heating the surroundings ...
      ⇔
      increases the surrounding's thermal store of energy. ✓
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