Starter quiz

  • What is the name of the force that pulls objects towards the ground?
    • magnetic force
    • gravitational force  ✓
    • friction
    • upthrust
  • In which direction will a ball move if you pick it up and then release it above the ground?
    • The ball will not move.
    • The ball will move upwards.
    • The ball will move left-to-right.
    • The ball will move downwards.  ✓
  • Which scientist is thought to have discovered the existence of gravity after seeing an apple fall from a tree in their garden?
    • Marie Curie
    • Albert Einstein
    • Sir Isaac Newton  ✓
    • Robert Hooke
  • Where would you feel the strongest gravitational force of attraction from Earth?
    • On the International Space Station.
    • At the top of Mount Everest.
    • On the surface of the Moon.
    • At sea level.  ✓
  • Which planet has the strongest gravitational field?
    • Venus
    • Earth
    • Jupiter  ✓
    • Mercury
  • Put these pairs of orbiting objects in order of increasing gravitational force between them, starting with the smallest.
    • 1
      ⇔
      A communications satellite orbiting Earth.
    • 2
      ⇔
      The Moon orbiting Earth.
    • 3
      ⇔
      Earth orbiting the Sun.
    • 4
      ⇔
      The Sun orbiting the centre of the Milky Way galaxy.
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