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Volcanoes - Exploring The Restless Earth
On location photography and animated drawings illustrate volcanic phenomena in Hawaii, Mexico, Italy, and Iceland. The program distinquishes shield, cinder cone, and stratovolcano by showing how each type of volcano is formed and how each erupts. Lava flows are contrasted in scenes showing ropy pahoehoe and rough, blocky aa lava. Before-and- after footage of the 1973 destruction of Helgafjell on Iceland's Heimaey Islands vividly documents the effects of volcanic eruptions on man.
1973 ENCYCLOPEDIA BRITANNICA 18 minutes
Item Number: VT003828
Appropriate Grade Levels
Nursery
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Intermediate
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