# Cool Science Projects for the Science Fair..

 By: anne c
 For this science project your will need to following items:1 egg1 pie plate (preferably aluminum or metal. Do not get a glass pie plate.1 cardboard tube from a roll of toilet paper.1 glass of water. Make sure it is a real glass cup and is a larger glass that is wider on top.You are going to test the Newton law of motion with this and it is almost like a magic trick because of the quickness of your hand in making this science project work well or correctly. This is like the trick where someone pulls out the table cloth from under all the place settings above while leaving the dishes intact on the table. Here you will not necessarily leave something intact but it should not go flying away. You are going to prove that the egg remains motionless and simply when left without support falls straight down only due to the force of gravity.Get a glass and fill 2/3 full of water. Make sure the glass is tall enough and wide enough and is made of glass. You will be setting a pie plate on it and you want the glass to be stable so it does not get knocked over easily.Place an aluminum pie plate centered on top of the glass of water. Then get a cardboard tube from a roll of toilet paper and place in the middle of the pie plate standing straight up and down. Now place your egg on top of the cardboard tube.What you are going to do is quickly smack the pie plate with the palm of your hand and when you do the pie plate will go flying and the tube will topple over and the egg should fall straight down into the glass of water. You will need to make sure to hit the pie plate hard enough and fast enough to do this but you want to stop your hand after the smack so that you do not hit the glass of water and make it fall over and spill.What happens is that the egg is not moving. Of course, nothing is, but the egg is stationary and you are using physics and applying force to the plate while allowing the egg to still remain motionless so that you quickly just removed the cardboard tube like it vanished and left the egg still motionless all by itself in the air. The only thing left is that it cannot stay up by itself so gravity pulls it downward. No friction is applied to the plate just plain force and the edge of the pie plate grabs the tube and forces out from under the egg. For a brief millisecond the egg was suspended in the air. Once the egg started moving downward it will not want to stop but now was interrupted by the water which provided a haven for the egg to once again become motionless. You could test taller glasses and more or less water to see if the splash is less. You could also try using a different fluid in the glass to see what happens and record your results. This is too cool.
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