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Unit 1: Matter

TermDefinition
Matter anything that has mass or takes up space.
Physical property a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.
Chemical property a property of matter that describes a substances ability to participate in chemical reactions.
Extensive property a property that depends on the extent or size of a system.
Intensive property a property that does not depend on the amount of matter present, such as pressure, temperature, or density.
Ductility the ability of a substance to be hammered thin or drawn out into a wire.
Malleability the ability of a substance to be hammered or beaten into a sheet.
Volume a measure of the size of a body or region in three-dimensional space.
Compressibility The measure of how much a given volume of matter decreases when placed under pressure.
Density the ratio of mass of a substance to the volume of a substance.
Evaporation the change of a substance from a liquid to a gas.
Sublimation the process in which a solid changes directly into gas.
Vaporization the process by which a liquid or solid changes to a gas.
Element a substance that cannot be separated or broken down into simpler substances by chemical means.
Compound a substance made up of atoms of two or more different elements joined by chemical bonds.
Heterogeneous mixture composed of dissimilar components.
Homogeneous mixture describes something that has a uniform structure or composition throughout.
Atom the smallest unit of an element that maintains the chemical properties of the element.
Chemical change A change in which one or more substances are converted into different substances.
Physical change A change in a substance that does not involve a change in the identity of the substance.
Created by: kw463561
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