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- A balloon
- Watch or clock to check time
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How to do it
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- Rub the balloon on your hair or sweater. Charge it to the maximum and stick it to a wall and check the time for how long it stays before falling down.
- Repeat the above step in the bathroom, just after your kids has taken a hot water shower.
- Ask the child to observe the time taken now.
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Explanation
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- In the bathroom, water in the air and on the walls helped move electrons away from the balloon more quickly. So the balloon will fall in lesser time.
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Flash Cards