Investigating Properties of Matter Unit 1

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Properties of matter

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Characteristics that define different types of matter, including physical and chemical properties.

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Density

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The mass of a substance per unit volume, often measured in grams per cubic centimeter (g/cm³).

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Fluid

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A substance that can flow and take the shape of its container, including liquids and gases.

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Gas

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A state of matter without a definite shape or volume, with particles that move freely and spread apart.

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Heterogenous mixture

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A mixture in which the components are not uniformly distributed, and different parts of the mixture are visible.

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Homogenous mixture

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A mixture in which the components are uniformly distributed, and the composition is consistent throughout.

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Kinetic energy

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The energy possessed by an object due to its motion.

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Liquid

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A state of matter with a definite volume but no definite shape, taking the shape of its container.

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Pure substance

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A material with a constant composition and consistent properties throughout, such as elements and compounds.

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Solid

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A state of matter with a definite shape and volume, with particles that are closely packed together.