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Matter

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Anything that has mass and takes up space. Matter makes up all the physical objects around us, from the air we breathe to the food we eat.

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Mass

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The amount of matter in an object, typically measured in units like grams or kilograms. Mass does not change regardless of the object's location.

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Volume

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The amount of space an object or substance occupies.

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Physical Property

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A characteristic of a substance that can be observed or measured without changing the substance's chemical composition. Examples include color, shape, and density.

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Conductivity

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The ability of a material to conduct heat or electricity. A good conductor, like metal, allows heat or electricity to flow through it easily.

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Solubility

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The ability of a substance to dissolve in another substance, typically a liquid. For example, sugar is soluble in water because it dissolves and forms a solution.