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CM1 - Science Revision

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  • Why are paper clips attracted to a magnet?
    They are made of metal (iron/steel)
  • What force keeps satellites in orbit?
    Gravity
  • What is the dependent variable?
    Number of paper clips picked up
  • What is thrust?
    A pushing force
  • What is the independent variable in the magnet test?
    The magnet used
  • What does friction do to a moving boat?
    Slows it down
  • What does exert mean?
    To apply a force
  • What does a magnet do?
    Attracts metal
  • Gravity pulls objects toward where?
    Earth
  • Why use the same paper clips each time?
    To keep the test fair
  • What does streamlined mean?
    Smooth shape to move easily
  • What is an alloy?
    A mixture of metals
  • Name one force acting on a sailing boat
    Wind
  • How can the test be more reliable?
    Repeat and average results
  • Friction is a force that does what?
    Slows things down
  • What is a satellite?
    An object that orbits a planet
  • Name a natural satellite
    The Moon
  • What force helps the boat float?
    Upthrust (buoyancy)