Explode/Implode
Below > Cold water: Bottle collapsed. Force acting on outside of the bottle was greater than force acting inside.
Why? The particles inside of the bottle crowd together and stop moving, then, the pressure from the outside presses in. The result is a collapsed bottle.
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| The milk carton with no water, lid on, and cooled. |
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| The milk carton with hot water and lid on |
Hot water: The forces acting out are greater than the forces acting on it. Expanded shape.
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Empty milk carton, cooled, lid on.
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Empty: Inside and outside forces acting on the bottle are equal. Normal shape.
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