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Unit 5.2. Gravity & satellites

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  • ____ is a natural satellite of the Earth.
    Moon
  • ___ is the force which attracts or pulls all objects towards the Earth.
    Gravity
    Normal Force
    Applied Force
  • Which has more mass, Earth or the Moon?
    Moon
    The same
    Earth
  • A machine that orbits in space
    Satellite
    Industry
  • ___ pulls the satellite towards the centre of the Earth.
    Gravity
  • Which object is affected by gravity?
    Only moving objects
    Only living things
    Only heavy objects
    All objects with mass
  • The Moon is an example of a:
    A. Natural satellite
    B. Artificial satellite
  • Gravity is an invisible force that pulls everything towards the ____ of Earth.
    centre
  • We are pulled to Earth because of magnet force.
    False
    True
  • Which is a force that keeps the planets in orbit around the Sun?
    solar energy
    gravity
    magnetism
  • What are the types of satellites?
    natural & organic
    artificial & homemade
    natural & artificial
  • Artificial satellites are launched into space on rockets.
    False
    True
  • The larger the object, the _____ the force of gravity.
    greater
    weaker
    louder
  • Our weight is the result of ___.
    mass
    gravitational pull
    magnets
    the moon
  • What is the name of a body or object that orbits a larger body?
    moon
    satellite
    comet
    asteroid
  • Which force keeps a satellite in orbit around Earth?
    Applied force
    Gravity
    Friction
    Normal force
  • The closer the objects are the ____ the force of gravity between them.
    stronger
  • In space, a body which orbits a larger body is called a ____.
    satellite
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