Worksheet: The Solar System

In this worksheet, we will practice identifying the different bodies that are part of the Solar System.


How many planets are there in our solar system?


True or False: The Moon is a planet.

  • AFalse
  • BTrue


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


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?


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

  • AVenus
  • BJupiter
  • CUranus
  • DEarth


Which planet has red soil?

  • ANeptune
  • BVenus
  • CMercury
  • DMars


Finish the sentences to describe the planets in our solar system.

The outer planets are giants.

  • Asmooth
  • Brocky
  • Cgas

The inner planets are planets.

  • Arocky
  • Bsmooth
  • Cgas

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