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critical thinking

The Right Answer

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Why We Sweat

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Why Things Go Bang

What do thunder, the sound of a balloon popping, and the sound of a firecracker have in common? They are all caused by expanding air.

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Wax and Wood, part 2

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Wax and Wood, part 1

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Water in a Glass, part 1

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Water in a Glass, part 3

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Water in a Glass, part 2

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Bottle Tones, part 2

Go back to part 1

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Bottle Tones, part 1

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