2. Can Crusher Water boils and then particles become a gas. Then gas particles spread out in the can.
3. Can Crusher When the can is placed into the water, the gas particles rapidly turn back into a liquid (condensing)
4. Can Crusher The condensed gas now creates less pressure inside the can. PRESSURE
5. Can Crusher The pressure outside the can crushes the can because of less pressure inside the can. There is more pressure outside the can than inside the can, so the can crushes.