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9-12

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Textual, Visual

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Stream Only


Part of WGBH
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Frames of Reference

In this interactive activity from the American Museum of Natural History, explore how the apparent motion of an object depends on the observer's frame of reference. An animation of a basketball player bouncing a ball shows how the perceived motion of the ball depends on your point of view: if the basketball player is walking and you are standing still, the ball appears to move in a zigzag path; however, if you walk along with the basketball player, the ball appears to bounce straight up and down. Test your understanding of frames of reference by interpreting the apparent motion of a ball in different scenarios.

This media asset comes from the American Museum of Natural History.

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