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Are you able to crush a can or plastic bottle or cup without crushing it with your hand?
1. Rinse the soda can. Then, place a couple tablespoons of water inside it-just enough to cover the bottom of the can. 2. Place the can directly in a pan (use an old pan if you are worried about any damage caused by heating the can) and place on a stovetop burner. Turn the burner to medium-high heat. Allow the water in the can to heat. 3. Fill the mixing bowl with about two inches of ice water. 4. Once the water in the can is boiling (steam will be coming out of the can and you should be able to hear the "popping" sound of boiling water), use the tongs to remove the can from the pan quickly (without splashing boiling water!) bring the can to the bowl of water, turn it upside down, and immerse the can in the cold water. The can should quickly be "crushed" by the cold water! 5. Still holding the can with the tongs, pull the can out of the water and observe how much water pours out of the can. 6. Tip: if the can doesn't crunch on the first attempt, repeat the experiment. Consider using a different can, placing less water in the can, making sure the water in the bowl is very cold, or heating the can in pan longer.
The heat from the hot water doesn't fit with the cold water in the bowl which makes it crush like a hand squashing it.
Conclusion
Can crushing is one of the most simple experiments that you can share to anybody, but you have to have these certain tools to do it. If you don't use these tools then you will have a lot of trouble. Try it yourself a
If you want to do the experiment again one day, write it on notebook paper or something pretty close too that. That could also be an example for showing students if you were a science teacher. don't forget to keep it somewhere safe that you will remember.