1. How many planets are there in our solar system? 5 9 10 27

  2. Which planet is the closest planet to the sun? Mercury Pluto Jupiter Venus

  3. The path that a planet takes around the sun is called the ... ring circle orbit oval

  4. The inner solar system consists of four planets; Mercury, Venus, Earth and ... Neptune Jupiter the Asteroid Belt Mars

  5. Which planet is named after Aphrodite, the goddess of love? Mercury Venus Titan Mars

  6. How many moons does Mercury have? one two seven none

  7. Which planet is sometimes the eighth planet from the sun, and sometimes ninth (depending on what Pluto is doing!) Neptune Pluto Ganymede Saturn

  8. What is the solid core of a comet called? tail nucleus stream iceball

  9. The asteriod belt is made up of chunks of ... ice and water old spaceships and satellites rock and metal cheese

10. How many times could the planet Earth fit inside the sun? a hundred a thousand a million a hundred million

Click the button below marked "Finish" to show your score. When you look back at your answers, any question with a tick is right, and a blank means wrong. Try again, and see if you can get them all right!
 

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