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Katja Friedrich, University of Colorado Boulder

(THE CONVERSATION)

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to [email protected].

What would it feel like to touch a cloud? – Violet V., age 6, Somerville, Massachusetts

You might already know how it feels to touch a cloud without realizing it.

If you've ever been outside on a foggy day, you've essentially been inside a cloud, just one very close...