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The Experiment

Why Things Float (It's Not Weight)

Run the Tournament

The Surprising Results Explained

Quick Check

Turn density and buoyancy into a family game — predict which objects sink or float, test them, and discover the surprising science behind why.

One bowl of water, a pile of household objects, and a simple question: sink or float. This experiment turns scientific thinking into a competitive family game — and the results are full of surprises.

Sink or Float Tournament

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