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Cool Science - 8/19/13: Corrugated Plastic & Sound

By Emma Koch - 21Alive

August 19, 2013 Updated Aug 12, 2013 at 3:07 PM EDT

FORT WAYNE, Ind. (21Alive) -- In this week's episode of Cool Science Monday, Martin Fisher from Science Central will talk about corrugated plastic and sound.

One was a corrugated plastic straw from a cup, the other was a long corrugated tube. When Martin blew air slowly through the straw, it caused a vibration, but the vibration was slow, and the sound was deeper.

When he blew harder, the air passed through faster, caused faster vibration and a higher sound.

Same thing, when he swung the tube around my head; If he swung slowly, it vibrated slower and had a lower sound. The opposite occurred if he swung the tube faster.




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