The planets
6 free practice questions with explanations
PassNova has 6 free Kids Space & Planets practice questions on The planets, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
The planets: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
Which planet do we live on?
- AVenus
- BEarth✓
- CJupiter
- DMars
Answer: We live on planet Earth, the only planet we know of that has people, animals and plants.
Which planet is often called the 'Red Planet'?
- AMars✓
- BNeptune
- CEarth
- DMercury
Answer: Mars is called the Red Planet because its dusty ground looks reddish-orange.
Which is the biggest planet that travels around our Sun?
- AEarth
- BMars
- CJupiter✓
- DMercury
Answer: Jupiter is the largest planet; it is so big that all the other planets could fit inside it.
Which planet is famous for the beautiful rings around it?
- AMars
- BEarth
- CMercury
- DSaturn✓
Answer: Saturn has bright rings made of ice and rock that circle around it.
How many planets travel around our Sun?
- AThree
- BEight✓
- CTwenty
- DOne
Answer: There are eight planets that orbit, or travel around, our Sun.
What do all the planets travel around?
- AThe Sun✓
- BA cloud
- CThe Moon
- DA star far away
Answer: All eight planets, including Earth, travel in big circles around the Sun.