Given information
Explanation:
Fill the bottom of a one-gallon metal can with a small amount of water that can be tightly closed. Steam is formed within the can when the water in it boils. The steam condenses back into liquid water when the can is removed from the heat and allowed to cool, leaving a partial vacuum inside. Because the force on the outside is greater than the force on the inside, this results in high atmospheric pressure outside the can, which crushes it.
Step-by-step explanation
When the water boils, steam displaces some of the air in the can. When the lid is removed, the interior pressure equals the outside pressure. When the lid is closed and the water in the can cool, the steam in the can condenses back into liquid water. This reduces the pressure within the can to less than atmospheric pressure, allowing it to be crushed by the outside air pressure's greater force.
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