Checking the weather and barometric pressure is as simple as jar, straw, and balloon! Learn how to make a barometer for measuring air pressure in this free video.
Make a barometer - Part 2 of 10
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Make a barometer - Part 3 of 10
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Make a barometer - Part 4 of 10
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Make a barometer - Part 5 of 10
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Make a barometer - Part 6 of 10
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Make a barometer - Part 7 of 10
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Make a barometer - Part 8 of 10
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Make a barometer - Part 9 of 10
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Make a barometer - Part 10 of 10
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