Pressure and Surface Area
Discover the relationship between pressure and surface area.
CURRICULUM
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Can Crusher
We demonstrate the effects of imbalances of pressure. A metal can is crushed by atmospheric pressure.
Experiment
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Cartesian Diver
We make a Cartesian diver using a drinking straw and sticky tack.
Experiment
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Rubens' Tube
We create a Rubens’ Tube to demonstrate the movement of sound waves.
Experiment
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Fire Extinguisher Sublimation
We release carbon dioxide from a fire extinguisher against a dark cloth to see what happens.
Experiment
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Elephant's Toothpaste
We create a rapidly expanding column of foam by mixing chemicals.
Experiment
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Frozen Balloon
We lower a helium-filled balloon into liquid nitrogen to see how the change in temperature affects its volume.
Experiment
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Bouncing Eggs
We use vinegar to remove the shells from eggs without breaking them.
Experiment
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Millibar (mb)
A unit of pressure widely used for expressing atmospheric pressure.
Glossary
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Boyle's law
At a set temperature, the volume of a given amount of gas is inversely proportional to its pressure.
Glossary
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