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Worksheet: The Solar System


How many planets are there in our solar system?


Choose the missing word: is the only planet known to have living things on it.

  • AVenus
  • BJupiter
  • CUranus
  • DEarth


True or False: The Moon is a planet.

  • AFalse
  • BTrue


Which planet has red soil?

  • ANeptune
  • BVenus
  • CMercury
  • DMars


The table shows the number of moons that the planets in our solar system have.

Planet Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
Number of Moons 0 0 1 2 79 62 27 14

Which planet has the most moons?

  • AUranus
  • BSaturn
  • CJupiter

How many moons does Mars have?


The solar system is full of planets, moons, asteroids, comets, and minor planets, known as dwarf planets. What is an asteroid?

  • AA type of star
  • BA small planet
  • CA small rocky body that orbits the Sun