Family time

Tonight's family question

Get comfortable. Make a guess together. See where the story takes you.

Everyone gets a guess. You don’t need to know the answer before you begin.

After the story: things to talk about
  • Draw signed pressure values on a number line: what total do two same-sign values make?
  • Why is a repeating engine hum easier to follow than a sudden clap?
  • What does the soft earcup do even when its electronics are off?

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