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Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. They change their appearance or form.

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A chemical change is a change of materials into other, new materials with different properties, and one or more new substances are formed.

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A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction.

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Density is the degree of compactness of a substance.

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A physical property is any property that is measurable, whose value describes a state of a physical system.

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Weight is a body's relative mass or the quantity of matter contained by it, giving rise to a downward force. It is basically the heaviness of anything.

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Mass is a coherent, typically large body of matter with no definite shape.

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Meniscus is the curved upper surface of a liquid in a tube.

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Volume is the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.

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Matter is physical substance in general, as distinct from mind and spirit) that which occupies space and possesses rest mass, especially as distinct from energy.