Launch Lab: How can you bend w
1. Infer Why did you rub the b
alloon on your sweater? Predic t what might have happened if you simply touched the balloon to your sweater instead of ru bbing it.
Ans because when you rub a ballon against your sweater, the balloon will transfer electron from the sweater, which leaves the sweater positively harged and the balloon negatively charged. If you simply touched the balloon to your sweater instead of rubbing it, there are not any charged transfer, because there are no friction occur
2. Key Concept Why do you think the balloon i
nteracted the way it did with your sweater and with the stre am of water?