Boats partly float and partly sink according to its own weight and how much weight it carries, and that the greater the total of these two weights, the lower it sits in the water. One of the most basic rules is that an object will sink if it weighs more than the same volume of water. A ship might be massive but so is the amount of water it displaces.
This video is part of Sean’s Science Around Ships – a Fun Kids series about ships and how they work. Filmed with support from Cammell Laird.
Click here to find out more about Cammell Laird!
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