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The air is pushed. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

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Put a small coin on the table and throw it into your hand with a push of air. To do this, holding your hand with a shield behind the coin, blow sharply on the table. Only not to the place where the coin lies, but 4-5 cm in front.

The air is pushing

The air compressed by your breath will penetrate under the coin and toss it straight into your handful. A few trials - and you will learn to take a coin from the table without touching it with your hand.

If you have a narrow conical glass, you can do another fun experiment with coins. Put a penny at the bottom of the glass, and a nickel on top. It will lie horizontally, like a lid, although it does not reach the edges of the glass.

The air is pushing

Now sharply blow on the edge of the penny. He will stand on edge, and the penny will be thrown out by compressed air. After that, the penny will fall into place. So the invisible air helped you get a penny from the bottom of the glass without touching it or the penny lying on top!

A similar experiment can be done with egg glasses. Put two such glasses side by side and in the one closest to you, put an egg. In case of failure, take a cool egg. And now blow strongly and sharply in the place indicated by the arrow in the figure. Just right on the edge of the glass. The egg will jump and "sit down" in an empty glass!

The air is pushing

Invisible man slipped between the edge of the glass and the egg, burst into the glass, so hard that the egg jumped up! For some, this experience does not work out - "there is not enough spirit." But if you take an empty, blown-out shell instead of a hard-boiled egg, it will turn out for sure!

Author: Galpershtein L.Ya.

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a guest
Well, there must be a hero to blow so hard. I can’t imagine (even with my experience of playing the flute) how it should be blown so that not only a coin, but even a boiled egg does not move so slightly, but actually jumps! This is definitely about ordinary people, and not about using a vacuum cleaner in reverse blowing mode?


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