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Science Trek

Volcanoes

Special | 28m 48s

A volcano can be described as part of the Earth's plumbing system. Scientists study volcanoes to learn more about the Earth and to protect the millions of people who live near these fascinating geological features. On this Science Trek, host Joan Cartan-Hansen and her guests answer students’ questions about volcanoes.

Aired: 11/17/15

Rating: TV-G

Video has closed captioning.

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Major Funding Provided by the Laura Moore Cunningham Foundation