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Published in 2013
What did Earth's continents and oceans look like 250 million years ago, or even 1 billion years ago? What do we know about the climate back when our planet formed? EarthViewer is like a time machine for exploring Earth's deep history. Based on the latest scientific research, it lets you scroll...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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Earth's climate is a complex system controlled by many factors. This Click and Learn will examine the two most important factors: solar radiation and the composition of Earth's atmosphere.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth's climate in the distant past tell us about the future? Andrew H. Knoll of Harvard University, Naomi Oreskes of the University of California, San Diego, and Daniel P. Schrag of Harvard University guide...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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4
The record of life on Earth stretches over 3 billion years. Deep time and Earth history are keys to understanding the present. The record of life on Earth stretches over 3 billion years, with evidence ranging from chemical signatures in rocks and ancient biological molecules to fossils of colossal...
Grade Level   6 7 8 9 10 11 12
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5
"This hands-on activity requires students to """"visit"""" different K-T boundary sites, evaluate the evidence at each site, find these sites on a map, and predict where the crater is located. It tests a diverse set of skills, including mapping, mathematical scaling, and interpretation of mixed...
Grade Level   6 7 8 9 10 11 12
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