Science Trek

The Web Show: Volcanoes

Clip: Special | 7m 37s

Volcanoes are openings in the earth’s crust. Magma pushes up to the surface and lava flows out. Volcanoes have changed our world. On this Science Trek: The Web Show, 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