Setting up the board…
Take your time — nothing here can go wrong, and you can always try again.
Ready?
Solar System
Take your time — nothing here can go wrong, and you can always try again.
Full screen — no distractions
Frequently Asked Questions
- What is "Solar System" and how do you play it?
- Solar System is a free, interactive science game designed for 8th Grade students. Put distances and sizes in space in order. It supports 1-4 player(s), takes about 20 min, and is rated hard difficulty.
- Is this game free to play?
- Yes — Solar System is 100% free with no signup required. Just open the page and start playing instantly in your browser on any device.
- What age or grade level is this game for?
- This game is designed for 8th Grade students. The science content is curriculum-aligned for 8th grade level, making it a great supplement to classroom learning.
- Can my child play this game on a tablet or phone?
- Yes. All LittleActivity games work on any device — desktop, tablet, or phone. No app download needed; games run directly in the browser.
- What science skills does this game cover?
- Solar System covers 8th grade science skills through interactive gameplay. It builds problem-solving, critical thinking, and subject fluency in a fun, no-pressure environment.
More 8th Grade Science Games
Space Missions and Space Exploration
Put the milestones of space exploration in order.
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Earth Systems
Sort parts of Earth into its four spheres.
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Plate Boundaries and Plate Tectonics
Wire each plate boundary to the landform it builds.
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Earthquakes and Volcanoes
Answer questions about earthquakes and volcanoes.
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The Rock Cycle
Classify rocks as igneous, sedimentary or metamorphic.
hard20 min
Weather Systems
Wire each weather system to the weather it brings.
hard20 min