“Why does a lump of clay sink in water, but float when it is a different shape?”
If you put a lump of clay in to water, what would you expect to be happen? Will clay float
or sink? The answer is obviously will sink due to its greater density than water.
or sink? The answer is obviously will sink due to its greater density than water.
But can you believe that clay can be float if you change its shape?
If you make clay into certain shape which is able to contain air such as boat-shape can float.
Because the shape
of clay contains air which has lower density than water, the average density of
clay and air is less than water. So it can float.
of clay contains air which has lower density than water, the average density of
clay and air is less than water. So it can float.
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