In class we have been learning about Newtons 3 laws of motion. The first one is the law of inertia. That law means that an object will stay in motion in till a force is acted upon it. The second law is Force=Mass x Acceleration. The third law is every action has an equal and opposite reaction. We have been looking at how strong an egg is. We did a an ‘egg’ speriment in class on how much an egg shell can hold. The egg shells cracked after 6kg and I was very surprised on how much it did hold. We also watched a short clip on how much at least 100 eggs can hold and it held 2 cars, and the were not boiled eggs. So eggs are stronger that you think. In class we have also been wanting to do an egg drop. So in groups we designed two ideas, one with a parachute and one without one. Then we decided on who’s idea we were going to do. Then we started building. Me an Donald made the idea without the parachute. Our idea was that we were going to have a cup that the egg was going to be in then four balloons around it to keep it floating But there was a problem. When we checked to see if it would float and it kept on tipping to the side so we had to find a solution. Then we thought of an arrow and at the end of an arrow there is something to keep it keep flying straight so we decided that we were going to make them and put them on our balloons and it would look like an arrow and when we tested it out with the egg in it and when it dropped to the ground the egg had no crack and was safe.I was so glad that our idea worked. Our second idea was with the parachute. Ellen and Abi made this one. The idea was that they made a pyramid to put the egg in and then the put pieces of straws around it so that when it dropped it wouldn’t put force on the pyramid with the egg in it it would put the force on the straws around it. Then they attached the parachute. When they tested it out with the egg in it there was no crack so both of our ideas worked and my group got 1st place.
Rowan
