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)
P017 - Batteries for practical circuit work
![Doing Things Safely Doing Things Safely](/images/safety.png)
![Teaching Ideas Teaching Ideas](/images/ideas.png)
This document provides guidance on choosing and purchasing batteries for practical circuit work.
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![Batteries for class circuit work](/dbImages/Thumbnail/Battery-holder.jpg)
P025 - Vinegar and bicarbonate balloons
![Teaching Ideas Teaching Ideas](/images/ideas.png)
This practical offers a safe, controlled and clean method for
children to enjoy this reaction, whilst clearly being able to observe/identify
the reactants and products.
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![Bicarbonate a vinegar balloons](/dbImages/Thumbnail/Bicarbonate-a-vinegar-balloons.jpg)