P058 - Density cocktail
![Teaching Ideas Teaching Ideas](/images/ideas.png)
A practical activity that uses liquids with different densities to demonstrate floating and sinking.
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![syringe and cocktail glass](/dbImages/Thumbnail/P058-Density-cocktail.jpg)
P153 - Observing melting
![Teaching Ideas Teaching Ideas](/images/ideas.png)
An activity where children learn about solid ice changing state in to liquid water because of heating.
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![Melting ice cube](/dbImages/Thumbnail/P152.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)