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The National Park Service brings you information on geologic time and how we tell the age of the Earth. Learn about fundamental geologic concepts, view a geologic time module, view a video on the Big Ideas in Geoscience, and look at fossils and rocks throughout geologic time.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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2
Published in 2010
Yosemite National Park is famous for its spectacular glacially carved landscape. Although glaciers have come and gone many times in the past, there are still two active glaciers near Yosemite's highest peaks. This video shows you the wonders of Yosemite's glaciers.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
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3
Human beings have been linked to earth materials since prehistoric times. They used caves for shelter, shaped rocks into stone implements, and later refined metals to make tools. Beyond practical purposes, Earth materials also were used to make pigments for paint. Rock walls became canvases where...
Grade Level   3 4 5 6 7 8
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4
"Students complete a form that requires them to make decisions about how severely different types of marine debris affect animals, people, vessels, and habitat. As a class, results are totaled and analyzed to determine which types of marine debris are most harmful to the different categories....
Grade Level   4 5 6 7 8
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