Energy, Heat & MotionPhysical Chemistry

Why Pasta Cooks Slowly on Everest

Water boils at a lower temperature when the air is thin

Boiling water is boiling water, right? On a mountaintop it bubbles away happily and still leaves your pasta crunchy. Why?

You'll find out

  • What makes water start to boil
  • How far the boil drops on Everest
  • Why salt barely changes anything

Why it matters

Recipes, canning and pressure cookers all depend on this, and so does dinner for anyone cooking up a mountain.

About 3 min6 interactive slides · 5 questionsLesson 256 · Zone 29

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