Funny swing. Fun physical experience at home

ENTERTAINING EXPERIENCES AT HOME
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Funny swing. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

"Quietly and smoothly swinging" - this is the name of one old waltz. It sings about the swing, which is so nice to swing. But not only living people like to swing. Cut out two people from paper according to our drawing. These little men are also great fans of swinging. Only they themselves do not know how to make a swing. We'll have to help them. We will make for them a swing not simple, but with an engine, so that they can swing themselves. And this engine will not be electric, not steam, not gasoline, but ... stearin!

Haven't heard of this one? Now you will hear! The main part of the stearin engine is a piece of an ordinary stearin candle 10-12 cm long. If your candle is longer, cut off the excess.

In the middle of a piece of candle stick two pins, one against the other. The middle must be found more precisely. Do this with a ruler with millimeter divisions. Place two identical glasses on a large frying pan or on a baking sheet and put pins on their edges. Only first lay a sheet of thick paper or cardboard, which is not a pity to drip with stearin.

The stearin engine is ready, it remains only to attach little men to it. Strengthen them with thin wire, as shown in the picture. You see, the little men are sitting quite far from the ends of the candle. Because they are afraid of fire.

funny swing

Now light the end of the candle that is leaning down. When the candle swings and the burning end rises, light the other end. Soon the stearin engine will work with might and main, and the little men will swing to their fullest. Look closely at the operation of the engine and try to understand why the candle is swinging.

Author: Galpershtein L.Ya.

We recommend interesting experiments in physics:

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