Electric Charges Lab
1. Infer Why did you rub the balloon on your sweater? Predict what might have happened if you simply touched the balloon to your sweater instead of rubbing it.
ANS When the object is rubbed agents another static electricity can be created. This because the rubbing creates a negative charge that is carried by electrons.If you touched the balloon to your sweater instead of rubbing it, the friction will not create. The charge will not create. There aren't any charge to transfer.
2.Why do you think the balloon interacted the way it did with your sweater and with the stream of water?
ANS Because the charge is not equal.It need to make a contact to balance by it self(equivalent).
Picture in lab