Name __________________________________
Date __________________________________
Always use the same number of strokes to charge the balloon for each test!
1. Number of paper bits collected on the first pass with a balloon charged by COTTON:
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2. Number of paper bits collected on the second pass with a balloon charged by COTTON:
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3. Number of paper bits collected on the first pass with a balloon charged by WOOL:
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4. Number of paper bits collected on the second pass with a balloon charged by WOOL:
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5. Which material charged the balloons more powerfully?
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