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This is an introduction to the concept of seafloor spreading proposed by Harry Hess in the early 1960's. This site offers multiple links to further examine this geologic hypothesis. Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Atmospheric science, Chemistry, Physical geography, Geophysics, Structural geology, Physics, Space science
 
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NASA ED Mall Collection    Browse collection
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These five activities are sequential and are designed to cover introductory volcano topics. Included are objectives, materials lists, procedures, and a selection of related sites for students to access. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Module / Unit
Subject: Geologic time, Geology, Mineralogy or petrology, Structural geology, Natural hazards
 
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Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
DLESE Community Collection (DCC)     Browse collection
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