What's Inside the Earth?
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Summarizes the various ways that man has learned about the interior of the earth. Describes what is revealed about the earth's interior by ditches, mine shafts, oil wells, volcanoes, and seismograph records. Diagrammatically shows and describes the layers of the earth and their principal characteristics. A volcanic eruption is viewed and its probable cause explained. Through animation what happens during an earthquake is illustrated.
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Summarizes the various ways that man has learned about the interior of the earth. Describes what is revealed about the earth's interior by ditches, mine shafts, oil wells, volcanoes, and seismograph records. Diagrammatically shows and describes the layers of the earth and their principal characteristics. A volcanic eruption is viewed and its probable cause explained. Through animation what happens during an earthquake is illustrated., NOTE: Two (or more) records have been merged together to create this data.
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