P130 - How does the size of a 'cupcake' parachute affect drop time?
![Teaching Ideas Teaching Ideas](/images/ideas.png)
A forces activity about air resistance that, unlike traditional parachute activities, yields reliable and comparable results.
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![Parachutes](/dbImages/Thumbnail/P130.jpg)
P057 - Vinegar and bicarbonate fire extinguisher demonstration
![Teaching Ideas Teaching Ideas](/images/ideas.png)
A teacher demonstration about density, floating and sinking that uses carbon dixoide gas and air, rather than solids and liquids.
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![jug and canle](/dbImages/Thumbnail/flaming-going-out.jpg)
P086 - Spinning spirals
![Teaching Ideas Teaching Ideas](/images/ideas.png)
An activity where children make a spinner that uses a tea light to make it turn.
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![Girls with spinners](/dbImages/Thumbnail/Spinning-spirals.jpg)
Primary Science and Technology Competition - 2013
![Primary Competition Primary Competition](/images/competition.png)
This pack contains materials associated with the 2013 - Falling seeds and biscuits, PST competition.
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![dropping_biscuits](/dbImages/Thumbnail/dropping-biscuits.jpg)