How well do you know your facts about light? Test your knowledge with these quizzes!
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Light is a type of energy. It is a form of electromagnetic radiation of a wavelength which can be detected by the human eye. It is a small part of the electromagnetic spectrum and radiation given off by stars like the sun. Animals can also see light. Light exists in tiny packets called photons which shows properties of both waves and particles.
Here are some properties of light:
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An inventor is a person who makes new inventions, devices that perform some kind of function. The devices are mostly electrical or mechanical. Someone that invents new ideas or methods on how to do things may also be called an inventor. Many inventors make small changes to old inventions. For example, people have invented new ways to make clocks over history. Early clocks were sundials, later clocks used water, and pendulums. Modern clocks are often electronic. Here are some famous inventors that you can read about in the links below: