The Bedtime Scientist

Episode guide

Snowflakes: Winter's Quiet Blanket

Every snowflake is a six-sided diary of the cloud it fell through. This episode follows one flake's build, from speck to star to blanket.

The science, gently

  • Snowflakes grow six arms because of the shape water molecules take when they freeze.
  • Each flake's pattern records the temperature and moisture of its exact path down.
  • Fresh snow is mostly trapped air, which is why it hushes the whole street.

Wonder together

  • Why six, do you think, and never five or seven?
  • What would your falling-path diary say about today?
  • What is the quietest the world has ever sounded to you?

Tonight's calm-down

Snow quiets the world by holding air gently, and your blanket does the same. Fall once, slowly, land softly, and let the whole street of you go hushed.