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Why does ice float?

Small Science

·

Aug 2026

Old thumbnail

Old thumbnail: a wide shot of a school lab with a small figure in the middle

New thumbnail

Thumbnail: a presenter in safety glasses stares at a giant cracking ice cube, headline Why does it float?

Result

Click-through on this video over its first 14 days, old thumbnail against new.

The brief

Small Science filmed wide shots of a whole classroom lab. The experiment was a dot in the middle of the frame.

The video answers a simple question, so the thumbnail had to ask it.

What changed

  • Put the ice cube at the size of a microwave and the presenter right up against it.

  • Wrote the question, not the answer.

  • Cold blue everywhere, so the cracks in the ice are the brightest thing in the frame.

Title options sent with it

  • Why does ice float?

  • Ice shouldn't float. Here's why it does

  • The weird reason ice floats

“

Teachers started sharing it in class. The question in the thumbnail is the whole lesson in four words.

TB

Tom B.

Small Science, education

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