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Simple Machines

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In science class we learned about simple machines. 

Simple machines make work easier. The six simple machines 

are pulley, screw, inclined plane, wedge, lever and wheel and axle. 

We studied the screw this week and for the experiment we made 

little helicopters out of paper and for the weight we used a paper clip. 

Then we tweaked the helicopters to make them better. The video is a 

helicopter flying and the picture is of the original and the tweaked one.

Diego and Noa

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