1
Plate tectonics is the unifying theory of Earth science and explains many of the major features of how our planet operates. It accounts for Earth's history including the distribution of life and past climate change.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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2
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...
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3
CO2 emitted by volcanoes into the atmosphere is removed by a series of chemical reactions related to rock weathering.
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4
An early continental drift model proposed that mantle convection can produce continental movement and new plate formation.
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5
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...
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6
An early model of continental drift proposed that parts of continental plates can sink into the mantle, allowing for movement.
Grade Level   6 7 8 9 10 11 12
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7
Today, oxygen, or O2, makes up about 21% of Earth's atmosphere, but for most of our planet's long history, O2 levels in the atmosphere and dissolved in the ocean were much less than they are today. In this Click and Learn, you will learn the complex biological and geological factors that have...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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8
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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9
Published in 2016
At least five times in Earth's history, environmental catasprophes have caused a majority of species to go extinct. These so called mass extinctions are potent examples of hwat can happen in the face of rapid environmental change. This book showcases the work of HHMI BioInteractive, including...
Grade Level   8 9 10 11 12
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10
African rift valleys were formed by the separation of tectonic plates. Water flows down to the valley floors, creating rivers and lakes.
Grade Level   10 11 12
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11
Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.
Grade Level   9 10 11 12
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12
These are some of the animal species Charles Darwin would have seen when he visited the Galapagos Islands.
Grade Level   K 1 2 3
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