P067 - Pop up spring chick
An activity where children make a card that includes a slider mechanism.
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P055 - Hatching spring chick
An activity where children make an Easter card that incorporates a simple (first class) lever.
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P176 - Observing how pulleys affect lifting a load
An activity where children feel how much effort is needed to lift a bucket of water with and without pulleys.
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P164 - Exploring levers
An activity where children investigate how much effort is needed to lift a load.
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