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This animation shows two views of a pendulum swinging over the North Pole. A drawing shows the path traced out by the swinging pendulum which when traced out over time, the orientation of the plane appears to change. This provides evidence for Earth's rotation because it shows that Earth is rotating underneath the unchanging orientation of the pendulum's swing.
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No specific technical requirements, just a browser required
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No cost
Copyright Houghton Mifflin Company. All Rights Reserved.
DLESE Catalog ID:
DLESE-000-000-010-409
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