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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
Visit NASA's Space Place website for a tour of the planet Earth! Targeted for elementary and middle level audiences and featuring NASA images, the page presents an overview of Earth.
Grade Level   K 1 2 3 4 5 6 7 8
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3
"From the thin air of Mount Everest to the intense pressure of the Challenger Deep, Earth is full of amazing extremes! Record-setting extremes are always being updated. Scientists and explorers discover new materials and refine their measuring methods, upsetting our ideas of """"biggest"""" or...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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