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Vocabulary:
Pendulum, Air, Force,
Motion, Swing, Gravity, Big, Small, Longer, Shorter, Slow,
Fast, Faster and Faster, Slower and Slower, Time
Materials:
Balloon, String
Activity:
Hang a balloon from a string, and swing it. Try
different balloons at different lengths. Add forces to the
balloon in different ways (pull, push, blow, hit, swing).
Measurement:
Measure how long it
takes for the balloon to swing back and forth.
Resource:
Dr.
Bob Williams
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