Solar System Quiz
1 / 15Which planet rotates backwards compared to most other planets?
About Solar System Quiz
Journey through our cosmic neighborhood! Test your recall of planets, moons, and other objects in our solar system. This free memory games activity is built for older adults who want clear, readable browser-based games without sign-up friction.
Memory games support focus, short-term recall, and pattern recognition with visual and logic-based challenges. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About Solar System Quiz
Solar System Quiz is a free memory games quiz with 15 multiple-choice questions aimed at mixed difficulty. Journey through our cosmic neighborhood! Test your recall of planets, moons, and other objects in our solar system. A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. Which planet is closest to the Sun?
Answer: Mercury
2. What is the Great Red Spot on Jupiter?
Answer: A giant storm
3. Which planet was reclassified as a dwarf planet in 2006?
Answer: Pluto
Frequently asked questions
How many questions are in Solar System Quiz?
Solar System Quiz has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Solar System Quiz free to play?
Yes. The entire SeniorBrainGames catalog — including Solar System Quiz — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Solar System Quiz take?
Most players finish Solar System Quiz in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Solar System Quiz?
If you enjoyed this memory games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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