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primary 6 | Maths
| Fractions
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This is actually science but I really don’t know how to do it
Date Posted: 4 years ago
Views: 628
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Hi, I am not 100% sure. But by tapping the empty can, it will generate vibrations in the air. The moving air cause the plastic cover to vibrate when the moving air touches it.
Date Posted:
4 years ago
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