force exerted on matter through contact with other matter; affects melting and boiling points

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the change in an object’s position with respect to time and in comparison to the position of other objects used as reference points

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the smallest particle of an element; made of electrons, protons, and neutrons

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the simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically

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the measurement of the rate of change of position with respect to time

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when a substance grows in size due to the particles separating from each other; can be caused by adding heat

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the change from gas state to liquid state

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distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases

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the quantity of three-dimensional space occupied by a liquid, solid, or gas; usually expressed in liters, cubic meters, and milliliters

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the quantity of three-dimensional space occupied by a liquid, solid, or gas; usually expressed in liters, cubic meters, and milliliters

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is anything that has mass and takes up space, made up of tiny invisible particles (atoms and molecules)

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