P130 - How does the size of a 'cupcake' parachute affect drop time?
A forces activity about air resistance that, unlike traditional parachute activities, yields reliable and comparable results.
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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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Primary Science and Technology Competition - 2013
This pack contains materials associated with the 2013 - Falling seeds and biscuits, PST competition.
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