Question

If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. Use what you have learned in this lesson to explain why this happens.

Answer 1

This is due to static Electricity it happens because friction between Electrical conductors makes Static Electricity which is not good for Electronics

Answer 2

this happens because when you rub the balloon on the carpet, the contact jumbles up the atoms and they recieve the energy which makes your hair 'stand on end', this is the simplified version.