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The air kicks. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

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Air pushes, air spits... Did he also take it into his head to kick? Or maybe I'm talking to him on purpose?

However, judge for yourself.

Lay a dry milk bottle on its side. Her neck is wide, an ordinary cork falls into it completely freely. And we just need it. Put the cork in the neck, at the very edge, and try to drive it into the bottle with a strong breath. You just made sure that the breath is capable of throwing coins and even hard-boiled eggs!

Come on: pfft! Click! What's happened? Yes, for some reason the cork did not fly into the bottle, but flew out. At the same time, she also clicked on her nose. Kicking! Blow even harder? Same result! Try to blow softly? No, you can't fool a cork. She will still go anywhere, but not in a bottle.

The thing is, you're blowing too much air into the bottle. He shrinks there and throws the cork out like an egg from a glass. How to cope with a stubborn invisible man, how to wean him from kicking and driving a cork into a bottle? You can try two methods.

One way suggests itself. If blowing in air does not help, maybe suction will help? Pull the air from the bottle into yourself with force, and then sharply take your lips away from the neck. Clap! And the plug is there. She was pushed in by the air entering the place you sucked out!

The air kicks

The second way is to still blow, but in such a way that it only hits the cork. Take a straw or pasta in your mouth and bring its end to the very bottom of the cork. Pfft! - and the cork will slip into the bottle.

Author: Galpershtein L.Ya.

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