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Unit 6- year 4

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  • What is electricity?
    A source of energy
  • What are these?
    Gears
  • What is a machine?
    Something to help make work easier
  • What is this?
    A screw
  • What are these?
    Brakes
  • What is a simple machine?
    A machine with one or two parts
  • A ramp has____ part
    one
  • What does a battery do?
    Change chemicals into energy
  • What is an inclined plane?
    A ramp to help lift things
  • What are these?
    Scissors
  • What is a pulley?
    A machine to help lift heavy things
  • What is effort?
    Force applied to make something work
  • What is this?
    A wheel
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