P222 - Modelling body fossil formation
An activity which helps children learn how body fossils are formed.
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P129 - How changing the voltage affects how powerful a motor is
An activity where children systematically add batteries to a circuit to see how it affects the speed of a fan (motor & rotor blade).
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P189 - Water resistance
An activity where children learn that the surface area of an object affects how it is slowed down by water resistance.
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