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Gold award: investigate the froth on fizzy drinks

Students will investigate if the decay pattern always the same and work out if it is ‘exponential’. They will also design and test a way of maximising the froth on fizzy drinks.

They then carry out some research into the various mechanisms used by manufacturers to give their beers extra head, for example, the ‘widget’ – made by Ball Packaging Europe and used in numerous cans. They then design and test their own methods for producing a frothy head.

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