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National STEM Learning Centre and Network
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Making a diver
In this unit pupils will investigate how a submarine descends and ascends through making a Cartesian diver.When you put the diver (pen top, paper clip and plasticine) into the water so that it floats the trapped air bubble inside the pen top makes the diver lighter than water so it floats.
What happens when you squeeze the bottle?
What happens when you relax your grip?
How does this link to submarines and Boaty?
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