Other questions in this quiz

2. Light travels at the speed of...

  • 200,000 km/s
  • 300,000 km/s.
  • 400,000 km/s.
  • 1,000,000 km/s.

3. A medium sized star such as the Sun can create...

  • a black hole.
  • nuclear fission.
  • nuclear fusion.
  • comets.

4. The Moon is believed to be the result of a collision between two planets, what was the result?

  • The iron cores from the planets made the moon and the rocks formed the Earth.
  • The iron cores of the two planets gave both the Earth and the Moon iron cores.
  • The debris collecting to form the moon and the iron cores of the two planets joining to form the Earth's core.
  • The debris collected around the Earth to make it bigger but some of it was too far out so seperatley formed the Moon.

5. The speed of a comet...

  • only changes when it burns out.
  • increases as it approaches the Sun.
  • never changes.
  • decreases as it approaches the Sun.

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