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Science Unit E Ch 2

Chapter 2 Vocabulary

QuestionAnswer
colloid A suspension that isn't easily separated, because of the small size of the particles.
physical property Properties that can be observed or measured without changing an object, or any part of the material it is made of, into something else.
texture An observable physical property; how the surface of a substance feels.
ductility The ability of a substance to be pulled into thin threads without breaking.
density The amount of mass in a given volume.
buoyancy The ability to float in a liquid or rise in a gas.
chemical property A property that describes the ability of a substance to react with other materials and form new substances.
combustiblity The ability to burn.
reactivity The ability of a substance to go through a chemical change.
stability The condition where a substance does not go through chemical changes easily.
mixture A combination of two or more pure substances that are not chemically combined with each other.
solution A mixture in which the particles of each substance are mixed evenly.
suspension A mixture that contains particles that are large enough to be seen and can be separated from the mixture by using filter paper.
Created by: mquay
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