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Can Crusher – TeacherTube

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The air around us is stronger than you may think. Jason Lindsey aka “Mr. Science” with Hooked on Science and a kid scientist show us how the air is strong enough to crush a can. Go to http://www.hookedonscience.org/nextgenerationsciencestandards

NEWSPAPER/MAGAZINE/WEBSITE
Can Crusher
INGREDIENTS
· Empty Soda Can

· Hot Plate

· Bowl

· Water

· Ice

· Tongs

INSTRUCTIONS
STEP 1: Fill the bowl with ice and water.

STEP 2: Place one tablespoon of water into the empty soda can. Turn on the hot plate, to high, and place the soda can on the hot plate.

STEP 3: Wait a few minutes for water vapor to appear above the can.
STEP 4: Using the tongs, grasp the sides of the soda can, quickly flip the soda can, and dip it immediately into the cold water. Make observations and explain on this process is similar to how the sunlight on Earth’s surface creates weather.

EXPLANATION
When the soda can is turned upside down and submerged into the cold water, the water vapor inside the soda can is cooled and condenses. This decreases the air pressure on the inside of the soda can, causing the higher pressure on the outside of the soda can to crush the soda can.

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