Top: Kids: School: Science: Physics


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Light

Light is something that lets you see things. Light can come from the sun, from a lightbulb, from a torch or from a candle.

A laser is something that makes a light beam that is small but very strong.


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Sound

Sound is all the things you can hear. People who are deaf cannot hear sounds. A decibel is a measurement unit you can use to say how loud a noise is.


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Optical Illusions

An optical illusion is something that you can see but isn't really there, something that looks like something else or something that looks different to different people.

It can be fun looking at different optical illusions and seeing how many things one picture can look like.



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