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CM1 - Science

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  • Why doesn’t the Moon crash into Earth?
    Because it is moving forward while gravity pulls it toward Earth
  • What is a satellite?
    An object that orbits a larger body in space
  • Which object has stronger gravity the Earth or the Moon?
    The Earth
  • Which planet in our solar system has the strongest gravity?
    Jupiter
  • What is gravitational force?
    The pulling force between objects with mass
  • What is the closest star to Earth?
    The Sun
  • What is a space station?
    A large artificial satellite where astronauts live and work
  • What happens if a satellite moves too slowly?
    It falls back toward Earth
  • What is the curved path an object follows around another object called?
    Orbit
  • What is the speed and direction an object moves called?
    Velocity
  • What is a human-made satellite called?
    An artificial satellite
  • What launches artificial satellites into space?
    Rockets
  • What type of satellite is the Moon?
    A natural satellite
  • How long does the Moon take to orbit the Earth once?
    About 27 days
  • What is the force that pulls objects with mass toward each other?
    Gravity
  • Why doesn’t Earth crash into the Sun?
    Because it is moving forward while the Sun’s gravity pulls it
  • What does gravity do between Earth and the Moon?
    It pulls them toward each other
  • What is the Moon?
    Earth’s natural satellite
  • What is the name of the first artificial satellite launched into space?
    Sputnik 1
  • What force keeps the Moon in orbit around Earth?
    Gravity
  • What is the name of the large space station currently orbiting Earth?
    The International Space Station
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