In this lesson you can use the example of scuba diving to investigate how water watch an amazing video on free diving and water on the human body. You can then what you have learnt to explain how diving bells and/or submarines work out in the real world, and make your own (very) mini submarine.increases with and the effects that this has on the human body. To kick off your learning you can
The below video shows an incredible free diver who dives below what is normal. Usually divers cannot dive below 50m due to the danger of waterupon the body!
Having watched the video, you should now have some understand of air and how theof air affects . Submarines use a similar principle, as by altering the amounts of water and air in the submarine, the vessel can sink or float. Try making your own submarine in a bottle with the instructions below: