The Rock That Floats on Water: Pumice!

Name: The Rock That Floats on Water: Pumice!
Uploaded: 2018-02-19T08:41:07+02:00
Description: To learn what causes this, see my "Why do things float?" webpage: http://www.squidoo.com/why-fo-things-float A demonstration of volcanic rocks, including pum

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To learn what causes this, see my "Why do things float?" webpage:
http://www.squidoo.com/why-fo-things-float
A demonstration of volcanic rocks, including pumice.