Chapter 7 Science Vocab
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Last updated 11:48 PM on 5/10/23
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17 Terms
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Matter
Anything that has mass and takes up space
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Atom
A small particle that is a building block of matter
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Substance
Matter with a composition that is always the same
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Element
A substance that consists of one type of atom
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Compound
A type of substance containing atoms of two or more different elements chemically bonded together
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Mixture
Matter that can vary in composition
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Heterogeneous mixture
A type of mixture in which the individual substances are not evenly mixed
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Homogeneous mixture
A type of mixture in which the individual substances are evenly mixed
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Dissolve
The form a solution by mixing evenly
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Physical property
A characteristic of matter you can observe or measure without changing the identity of the matter
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Mass
The amount of matter in an object
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Density
The mass per unit volume of a substance
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Solubility
The ability of one substance to dissolve into another
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Physical change
A change in the size, shape, form or state of matter in which the matter’s identity stays the same
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Concentration
The amount of substance in a certain volume
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Chemical change
A change in the matter in which the substances that make up the matter change into other substances with new physical and chemical properties
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Chemical property
A characteristic of matter that can be observed as it changes to a different type of matter