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 ...
imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...
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