Question

When a plastic bottle is half filled with water and kept in the freeze till it is quite nicely chilled, when we take the bottle out why does the bottle shrink in shape ?​

Answer 1

Answer:

This law of nature is also why empty plastic bottles shrinkwhen you leave them in a refrigerator… the air molecules in the bottle lose kinetic energy which means that they collide less often and less forcefully with the walls of the bottlewhich in return, makes the bottle shrink

Answer 2

Explanation:

The reason why water put in a freezer will pop the top is because water expands when it freezes. At a point, it has nowhere to expand to. When this happens, Pascal’s Law tells us that a contained liquid under pressure will exert even pressure on all sides. The water is under pressure because it's volume is increasing in a closed container. The top comes off because it is the weakest point of the container, and so, acts as a pop off valve.

So the bottle shrinks