NSDL Science Refreshers



5 results returned

Resources for Science > Earth Science > Earth Process and Materials > Earth Structure

Evidence supporting continental drift - on the move continental drift and plate tectonics

http://kids.earth.nasa.gov/archive/pangaea/evidence.html

A short article from NASA discussing evidence for continental drift, and support for plate tectonic theory.

Resource Type: Reference Material - Article, Reference Material - Nonfiction Reference, Audio/Visual - Illustration
Grade Level: 5, 6

Sea floor spreading

http://www.pmel.noaa.gov/vents/nemo/explorer/concepts/spreading.html

A concise description of sea floor spreading enhanced with a graphic.

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

Landforms - face of the earth

http://www.edu.pe.ca/southernkings/landforms.htm

A module on each of the following landforms: Valleys,Plateaus, Mountains, Plains, Hills, Loess, and Glaciers. Each landform is photographed and text is provided describing its features.

Resource Type: Reference Material - Nonfiction Reference, Audio/Visual - Photograph
Grade Level: K, 1, 2, 3, 4, 5, 6

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

What is the hydrosphere

http://earth.rice.edu/MTPE/hydro/hydrosphere/hydrosphere_what.html

This page defines and describes the hydrosphere and provides several photographs.

Resource Type: Reference Material - Nonfiction Reference, Audio/Visual - Photograph
Grade Level: K, 1, 2, 3, 4, 5, 6