Charge
Flickering of CFL with charge balloon.
The balloon that has been rubbed on your hair or clothing has collected electrical charges that we refer to as static electricity. When you move the balloon close to the CFL lightbulb the static electricity of the balloon begins to interact with the electrons inside and the light bulb illuminates
Paper electroscope (friction/induction/conduction)
The electroscope is an early scientific instrument used to detect the presence of electric charge on a body.
Deviation of water current
Water molecules are polar, they have a negative and a positive end. The negatively charged object attracts the positive end of the water molecules making the stream of water bend.
Charge via induction (straw / balloons and small pieces of papers)
When a balloon is rubbed against a piece of wool or hair, it picks up electrons and becomes negatively charged. This negatively charged balloon can then attract neutral objects like paper. The negatively charged balloon attracts the neutrally charged paper by first repelling the negative charges away, which leaves the positive charges closer to the balloon. Since opposites attract, the paper is attracted to the balloon and is picked up.
Charge via friction (straw dancing)
When two straws are rubbed with a woolen cloth, they acquire the same kind of charge. The charges in the neutral straw get redistributed in such a way that opposite charges (opposite to the charge on the charged straw) come close to the charged straw. The attraction is caused by the attractive force between the induced charges and charges on the charged straw
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