QUINCY — St. Peter fifth-graders Paisley Willer, Anistyn Willingham and Erin Pritts turned wood blocks, a funnel and a cardboard box into a machine designed to feed a dog. The girls agreed the project ...
Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...
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