Sink or Float

About Sink or Float
Sink or Float is a browser trivia game about buoyancy. You look at different objects and predict whether each one will sink or float in water. Engaging animations and sound reveal the outcome after your guess, turning each round into a small physics lesson. It runs right in your browser, on phone or computer, no download required.
How to play Sink or Float
Look at the object presented and decide whether you think it will sink or float. Make your prediction, then watch the animation play out to see if you were right. Sound effects accompany each result, and you score points as you go. Keep predicting through each object to test your instincts and learn why things behave the way they do in water.
Tips for playing Sink or Float
- Think about what the object is made of before guessing, not just its size.
- Pay attention to the outcomes you get wrong, they often reveal patterns in what floats.
- Play a few rounds in a row so the physics lessons start to stick.
Frequently asked questions
Is Sink or Float free to play?
Yes, it is completely free and runs in your browser with no download needed.
Do I need any special skills to play Sink or Float?
No, it is designed for young minds and anyone curious about physics, you just predict sink or float for each object.
Can I play Sink or Float on my phone?
Yes, it runs in the browser on both phone and computer.



