Category : Science Projects And Inventions
YOU NEED:
You can make a Ping-Pong ball hop across from one glass to the other. Position two glasses beside each other. Drop a Ping Pong ball into one closet to you in the illustration. Without touching the ball in any way let us see you get the ball into the other cup. Once your friends have given up show them how. Just blow on the side of the ball nearest you. Given some amount of practice, you can make it fly from one glass into the other.
HOW DOES IT WORK?
It works because the air you blow down the side of the ball nearest you creates a pocket of compressed air that pushes the ball up and forward.
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