Juventus Wallpaper News

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stars

On a clear night, you can see thousands of stars shining in the sky. From Earth, they seem to be small points of light. Yet many of them are larger than our Sun. There are far more stars in space than you can see with the naked eye. There are so many that you could never count them all. Our Sun is a m... read more

electricity and magnetism

Electricity and magnetism are everywhere. Electricity is a form of energy. Magnetism is also a form of energy. They make it possible for televisions, computers, and many other electronic devices to exist. Medicine uses them to help treat illnesses in humans and animals. ... read more

compounds, acids and bases, mixtures, and solutions

Every material is made of either a pure substance or a combination of substances. A substance is pure if it contains only one type of element. An element is a substance made up of all of the same type of atoms. Oxygen is a pure substance. It only contains oxygen atoms. Elements combine in several ways... read more

mating and reproduction in animals

Mating ... read more

energy

Work ... read more