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| The study if the composition and structure of materials and of the changes that the materials undergo. |
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| An observation of natural phenomena carried out in a controlled manner so that the results can be duplicated and rational conclusions obtained. |
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| A concise statement or mathematical equation about a fundamental relationship or regularity in nature. |
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| A process of advancing scientific knowledge through observations; the framing of laws, hypotheses or theories; and the conducting of more experiments. |
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Experiments
Results
Hypothoses |
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| A _____ explanation of a basic natural phenomenon. |
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| Law of Conservation of Mass |
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| The total mass remains constant during a chemical change. |
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| The quantity of matter in material. |
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| Whatever takes up space and can be perceived by our senses. |
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| Classifying matter by its physical state. |
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| Classifying Matter by its chemical constitution. |
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| Element, compound, or mixture. |
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| characterized by rigidity; fixed volume and fixed shape. |
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| relativity incompressible fluid; fixed volume, no fixed shape. |
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| Compressed fluid; no fixed volume, no fixed shape. |
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| A change in the form of matter but not its chemical identity. |
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| a change in which one or more kinds of matter are transformed into a new kind of matter or several new kidns of matter. |
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| A kind of matter that cannot be separated into other kinds of matter by any physical process such as distillation or sublimation. |
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| A substance that cannot be decompressed into simpler substances by any chemical reaction. |
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| A new substance composed of two or more elements chemically combined. |
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| Law of Definite Proportions |
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| States that a pure compound whatever its source always contains definite or constant proportions of the elements by mass. |
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| A material can be separated by physical means into two or more substances, has variable composition. |
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| A mixture that consists of physical distinct parts each with different properties. |
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| A mixture that is uniform in its properties also is called a solution. |
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| The comparison of a physical quantity with a fixed standard of measurement - a unit. |
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| The closeness of the set of values obtained from repeated measurements of the same quality. |
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| The closeness of a single measurement to its true value. |
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| Significant figures indicate _______. |
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| A counted number or defined number. |
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| The representation of a number in the form. |
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| An international system of units made up of a petticoat choice of metric units. |
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| The seven metric units from which all other units can be derived. |
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