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Sort items into the correct science categories!

Free to playNo sign-upStart below ↓

Science Sorting

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Elements vs. Compounds

Tap each item, then tap the category it belongs to.

OOxygen
H2OWater
AuGold
NaClSalt
FeIron
CO2Carbon Dioxide

About Science Sorting

Science Sorting is a free general knowledge game with 10 sorting rounds. Sort items into the correct science categories! There's no sign-up and no timer — you play at your own pace, right in your browser, with large, easy-to-read text.

Categories you'll sort into

  • Element
  • Compound
  • Planet
  • Star
  • Mammal
  • Reptile
  • Renewable
  • Non-Renewable

Frequently asked questions

Can I replay Science Sorting?

Absolutely. Science Sorting can be replayed as many times as you like at no cost. Your overall progress — XP, streaks, and badges — is saved automatically in your browser.

Is Science Sorting free to play?

Yes. Science Sorting — like every game on SeniorBrainGames — is completely free, with no sign-up, no time limits, and no ads on top of the game. It also works offline once the page has loaded.

How big is Science Sorting?

Science Sorting includes 10 sorting rounds. You can play through as much or as little as you like in a sitting, and replay it any time for more practice.

Do I need to be fast or sign in to play Science Sorting?

No. There's no timer rushing you and no account required. Science Sorting uses large, high-contrast text and works on phones, tablets, and computers, so you can play comfortably at your own pace.

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