Let's do simple summer experiments with balloons and sunlight. We will learn what light is and why we see different colors.
We only see different colors of objects because they absorb or reflect some rays of sunlight, which is made up of seven colors. For example, a green ball absorbs all rays of sunlight except the rays of green. It reflects them. Black color absorbs all sunlight rays, so it seems black to us. We see white when an object reflects all sunlight rays. Transparent objects appear to us when they let all the light pass through.
When we focus rays of sunlight with a magnifying glass and direct them to a colored ball, it bursts. The more rays the ball absorbs, the faster the "hot spot" heats the rubber and burns through it. That's why the black ball bursts faster than the others.
Because the white ball reflects all light rays, it cannot be burned through with a magnifying glass. The ball reflects them, and the rubber in the "hot spot" does not heat up.
In the experiments, we see that the rays of light pass freely through the transparent balloon and plastic bag. That is why we manage to focus them on the colored ball inside the transparent object and burst it.
The more rays the ball absorbs, the faster the "hot spot" heats the rubber and burns through it. That is why it is very easy for a dark balloon to burst.
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20 июл 2021
