This week we did lots of experiments to find evidence of vibrations in different sounds. Our classroom was a noisy place as we did these activities! :)
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Letting air out of a balloon makes a squeaking sound. We could see, hear and feel evidence of vibrations! |
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When we strike a tuning fork and put it in water, the vibrations make the water splatter. |
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Popping a balloon also created vibrations, but it scared the guinea pigs! |
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Striking a tuning fork and touching it to a ping pong ball caused the ball to bounce. |
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