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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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Animations about our planet, Earth. Part I: Our Island in Space, Part II: Earth Materials, Part III: Tectonic Activity of a Dynamic Planet, Part IV: History Before History, Part V: Earth Resources, and Part VI: Processes and problems at the Earth's Surface.
Grade Level   9 10 11 12
Teaching Media Videos or Animations
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