1st Grade Science Quiz
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WAVES: LIGHT AND SOUND
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Look at the steps. What does this plan test?
QUESTION: Can we make sound by making things vibrate?
MATERIALS: rubber band, hands
STEPS:
1) Hold the rubber band stretched between fingers.
2) Pluck the rubber band with your other hand.
3) Watch the rubber band and listen.
OBSERVE: Does the rubber band shake? Do you hear sound?
RESULT: The rubber band moves fast and makes a twang.
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