P077 - Double bubble
A practical activity that enables children to blow bubbles, inside bubbles, inside bubbles...
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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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P005 - Investigating soaps and detergents
A practical activity to observe how soaps and detergents behave in water.
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