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how close a measurement is to the true value of the quantity that was measured |
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any property of a substance that cannot be studied without converting the substance into some other substance |
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the study of matter and changes it undergoes |
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a substance composed of atoms of two or more elements chemically united in fixed proportions |
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the mass of a substance divided by its volume |
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a substance that cannot be separated into simpler substances by chemical means |
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a property that depends on how much matter is being considered |
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the individual components of a mixture remain physically separated and can be seen as separate components |
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the composition of a mixture, after sufficient stirring, is the same throughout the solution |
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a tentative explanation for a set of observations |
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a property that does not depend of how much matter is being considered |
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International System of Units (SI Units) |
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a system of units based on metric units |
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the SI base unit of temperature |
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a concise verbal of mathematical statement of a relationship between phenomena that is always the same under the same conditions |
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the volume occupied by one cubic decimeter |
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properties that can be measured directly |
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a measure of the quantity of matter contained in an object |
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anything that occupies space and possesses mass |
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properties that cannot be measured directly without the aid of a microscope of other special instruments |
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a combination of two or more substances in which the substances retain their identity |
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any property of a substance that can be observed without transforming the substance into some other substance |
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the closeness of agreement of two or more measurements of the same quantity |
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consisting of general observations about the system |
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comprising numbers obtained by various measurements of the system |
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a systemic approach to research |
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a form of matter that has a definite or constant composition (the number and type of basic units present) and distinct properties |
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a unifying principle that explains a body of facts and the laws that are based on them |
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the force gravity exerts on an object |
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