P213 - Using a bicycle to demonstrate why we use gears
An activity where children compare how much effort is needed to run and ride a bike.
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P206 - Turning a figure with and without gears
An activity where children compare how quickly something can be made to turn with and without gears.
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P201 - Using materials that bend
An activity where children use nonstandard measurements to make a crown.
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P200 - Can you see through it?
An activity where children ponder if different materials are opaque or transparent.
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