NSDL Science Refreshers



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Resources for Science > Earth Science > Earth Process and Materials > Earth Structure > Crust, mantle, core

USGS geology in the parks - what on earth is plate tectonics?

http://geology.wr.usgs.gov/parks/pltec/index.html

Discusses the crust, mantle and core with text and schematic drawings. Links to other sections of the same publication on the lithosphere and plate tectonics.

Resource Type: Instructional Material - Tutorial, Reference Material - Nonfiction Reference, Audio/Visual - Illustration
Grade Level: 2, 3, 4, 5, 6