Powers of Ten: Our Universe

Powers of Ten

Our Universe

From the tiniest string to the edge of the observable cosmos — one game about the scale of everything.

Based on the AstroEDU Powers of Ten card game by Jaya Ramchandani • CC BY-NC-SA 4.0

About
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10⁻³⁵ m ← COSMIC SCALE → 10²⁶ m

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Order smallest → largest — tap two cards to swap, or drag to reorder

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Take your time reading the cards, then view your summary.
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🌌

How to play

1

Tap two cards to swap them, or drag a card to reorder.

2

Order them smallest → largest, left to right.

3

Hit Ready. An arrow shows which way a misplaced card belongs.
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Back to game

About

Powers of Ten: Our Universe

About the Game

Powers of Ten: Our Universe is an educational card-sorting game that takes players on a journey from the smallest known lengths in physics to the scale of the observable universe.

This digital version is based on the original physical card game created by Jaya Ramchandani, published on AstroEDU under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

The game helps players learn about powers of ten, orders of magnitude, and the incredible scale of our cosmos — from the Planck length (10⁻³⁵ m) to the co-moving diameter of the observable universe (10²⁶ m).

View original activity on AstroEDU →

Acknowledgements

This game has been created by Jaya Ramchandani.

Special Thanks

Chirag Ramchandani, Game Designer — for invaluable input on the design and gamification of this experience.

Shermeen Lee, Secondary Physics Teacher, Yew Chung International School, Shanghai — for input on the content.

Abrar Burk — for design of the first iteration.

Authors of the Wikipedia article 'Orders of magnitude (length)' — for inspiration and information.

The many students, educators, friends and family for their valuable inputs leading to several iterations.

Contact: welearnwegrow.bio

Image Credits

To the best of our knowledge, images used belong to the public domain or have a creative commons non-commercial license. Thank you creators!

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Powers of Ten: Our Universe has been created by Jaya Ramchandani and is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

We welcome co-branding if you would like to produce copies for commercial use.

🏆 Leaderboard

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No scores yet for this level. Be the first — solve it without giving up!