Understanding: Volcanoes DVD

Discovery Education

$49.95 
SKU: DC010603
Format: DVD
Grade Level:
Runtime: 51
Copyright: 1997

Alt Formats:
Free Resources
Marc Record

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Once, the power of volcanoes was thought to be the work of the gods. Now scientists better understand the subterranean forces that cause these steaming mountains to spew fire and molten rock. Follow the pace and rhythm of geologic movement and time, and see how scientists track this motion to predict the next time a volcano will blow.