Air Pressure
Today's lesson was a busy one! I taught the class about gas particles and the air pressure they exert, giving them examples such as the Magdeburg hemispheres. Then, I gave them 3 demonstrations: water staying in an upside down cup, an egg falling into and out of a small-mouthed bottle, and a can being crushed by air. The lesson ended with the children building and racing each other with balloon-powered cars. Another exciting day!
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As always, the lesson began with an explanation on the topic: air pressure.
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One simple yet shocking demonstration of air pressure's power is its ability to keep water in an upside-down cup.
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Air pressure can also be used to get an egg in and out of a bottle!
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The final demonstration used air pressure to crush a can.
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The final task was a fun one as the kids built and raced air-powered balloon cars!