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By XKCD
This small infographic shows the thickness of see ice up against famous city skylines. Notice how much bigger the ice sheets are than the cities!
Grade Level   4 5 6 7 8 9 10 11 12
Image Collections Teaching Media
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2
Rocks hold the history of the Earth and the materials that will be used to build its future. Browse through images of the three rock types: igneous, metamorphic, and sedimentary.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Image Collections Teaching Media
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3
Children, ages 8–13, embark on an exploration of Earth's and the Moon's shared history in this 30 –minute introductory activity for the Explore! Marvel Moon module. They work in groups to determine the order of geologic events  — such as the formation of the Moon and when the bright crater of...
Grade Level   3 4 5 6 7 8
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4
Rock Cycle is an interactive Web site where students can learn all about rocks and geology, the science of rocks. They will learn how rocks can be identified, how they are formed, and how they change over time. Students will identify the three major kinds of rocks and learn how to tell them apart....
Grade Level   5 6 7 8
Classroom Activities Curricula and Instruction
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