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Cartesian Diver

Topics:Forces & motion
Audience:KS2; KS3
Author:Lori Clark; Birmingham Southside Partnership
Reference number:035

In this activity students will make a diver from a straw and some blu-tac. Students then put the ‘diver’ into a glass of water and try to get it to float in the glass of water. They then put the ‘diver’ into a bottle filled with water and investigate what happens when force is applied to the bottle.