P210 - Modelling the effects of fizzy drinks on teeth
An activity where children collect and use evidence about the damage acidic drinks cause to teeth.
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P209 - Modelling the effect of toothpaste on teeth
An activity where children learn how toothpaste helps protect teeth from the damaged caused by fizzy drinks.
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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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