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The Beast of Loch Ness
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Experiment with Sonar
How can you "see" a lake bottom or sea floor if the water is too muddy, too dark, or too deep? You can't, right? Well, not with your eyes. But you can "see" with sound waves. See how it works below, then find out what sonar is used for.

Fantastic Creatures | Birth of a Legend
Eyewitness Accounts | Experimenting with Sonar
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