Our Solar System: The Earth, Sun, Moon, and Beyond
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Questions and Answers

What is the approximate time it took for the solar system to form?

  • 5,000 million years (correct)
  • 4.5 million years
  • 5 million years
  • 4.5 billion years

    • What is the shape of the Earth?

  • Triangle
  • Flat
  • Roughly spherical (correct)
  • Oval

    • What is the primary composition of comets?

  • Frozen gas (correct)
  • Liquid
  • Rock
  • Dust

    • What is the Moon's orbit period around the Earth?

    <p>Once every 30 days</p> Signup and view all the answers

    What is the purpose of asteroids in the solar system?

    <p>To move in an orbit around the Sun as a leftover piece of rock from the solar system formation</p> Signup and view all the answers

    What was the initial understanding of the universe by ancient astronomers?

    <p>The Earth is at the centre of the universe and everything else moves around it</p> Signup and view all the answers

    What is the primary source of light that allows us to see the Moon?

    <p>The Sun's reflected light</p> Signup and view all the answers

    How long does it take for the Moon to complete its orbit around the Earth?

    <p>Approximately 30 days</p> Signup and view all the answers

    Why does the sun appear to rise and set?

    <p>Due to the Earth's rotation on its axis</p> Signup and view all the answers

    How many time zones are there in the world?

    <p>24</p> Signup and view all the answers

    Ancient astronomers first thought that the ______ was the centre of the universe.

    <p>Earth</p> Signup and view all the answers

    The model where the Earth is at the centre of the universe is called the ______ model.

    <p>geocentric</p> Signup and view all the answers

    We can only see the Moon because it reflects light from the ______.

    <p>Sun</p> Signup and view all the answers

    The Earth makes one complete turn every ______ hours.

    <p>24</p> Signup and view all the answers

    The world is divided into ______ different time zones.

    <p>24</p> Signup and view all the answers

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