1 min
Explainer

How clouds form from invisible water vapor

7 min original · Original explainer · Science

Clouds are made of tiny water droplets or ice crystals that form when water vapor cools and condenses around microscopic particles. This explainer covers how rising air creates clouds, why some grow into storms, and how clouds reflect and trap heat.

Summary of a 7 min original

Key takeaways

  • Clouds form when rising, humid air cools enough for vapor to condense
  • Tiny particles give droplets a surface to form on
  • Thick storm clouds need strong, moist updrafts

Chapters

  1. Invisible vapor
  2. Rising air
  3. Droplets and ice

Sources

Original from: Original explainer
Photo: Lance Vanlewen, CC BY-SA 4.0, via Wikimedia Commons

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