When Mr Z came in we were learning about forces. There are five forces including friction,applied muscle,gravity,applied air and buoyancy-upward force of a liquid. We also made boats out of tin foil and tested to see do they float with dominoes in them. After we had tested them we made another boat but with a p.i.e. Not the food a platform that Mr Z made with a 3D-printer! we did the same thing as the last investigation except we had better materials. It was fun!
Luke and Alex
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