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anything that has mass and takes up space


the amount of space occupied by an object


the curve at a liquid's surface by which one measures the volume of the liquid


a measure of the amount of matter in an object


a measure of the gravitational force exerted on an object


the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object


the ratio of the mass of a substance to the volume of the substance

physical property

a characteristic of a substance that does not involve a chemical change, such as density or hardness

physical change

a change of matter from one form to another without a change in chemical properties

chemical property

a property of matter that describes a substance's ability to participate in chemical reactions

chemical change

a change that occurs when one or more substances change into entirely new substances with different properties

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