A fun way to learn about simple machines for kids. And it was simple. This one is all about the pulley. Pulley, Ideas, For Kids, Simple Machines, 1St Grades, Activities, Preschool Science, Science Fair, Second Grade
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The Imagination Tree sets up a science challenge - Can you design & build a bridge using everyday & recycled materials, that will bear a 1kg (approx 2lb) weight? (",)
Making a simple pulley with a rolling pin and a piece of yarn. Links to other simple machines given here as well.