1. A balloon was held against a wall. When it was released, the balloon fell to the floor. 2. A balloon was rubbed with a piece of wool and again held against a wall. This time, when the balloon was released it stuck to the wall. 3. A hole was poked in the bottom of a plastic cup. The cup was filled with water, and the water was allowed to drain out through the hole in the bottom of the cup. While the water was running out the bottom of the cup, a balloon was held near the stream of water. The water continued to fall straight down. 4. The previous demonstration was repeated, except this time the balloon was rubbed with wool before it was held near the stream of water. This time, the stream of water was drawn toward the balloon instead of falling straight down. Please explain all of the above. Also please show that you have a really good understanding of the laws of electrostatics and the structure of atoms as you do so, and use each of the following terms at least once: charged, uncharged, atom, ion, positive, negative, protons, and electrons.
So here are a series of experiments:
1. A balloon was held against a wall. When it was released, the balloon fell to the floor.
2. A balloon was rubbed with a piece of wool and again held against a wall. This time, when
the balloon was released it stuck to the wall.
3. A hole was poked in the bottom of a plastic cup. The cup was filled with water, and the
water was allowed to drain out through the hole in the bottom of the cup. While the water was
running out the bottom of the cup, a balloon was held near the stream of water. The water
continued to fall straight down.
4. The previous demonstration was repeated, except this time the balloon was rubbed with
wool before it was held near the stream of water. This time, the stream of water was drawn
toward the balloon instead of falling straight down.
Please explain all of the above. Also please show that you have a really good understanding of
the laws of electrostatics and the structure of atoms as you do so, and use each of the following terms at
least once: charged, uncharged, atom, ion, positive, negative, protons, and electrons.
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