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| the outgoing process of discovery in science; the diverse ways in which scientists study the natural world and propose an explanation based on evidence they gathered. |
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| a possible explanation for a set of observations or answer to a scientific question; must be testable. |
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| a factor that can change in an experiment. |
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| the one factor a scientist changes during an experiment; also called independent variables. |
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| the factor that changes as a result of a changes to the manipulated or independent variables in an experiment; also called dependent variables. |
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| an experiment in which only one variables is manipulated at a time. |
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| a statement that describes how to measure particular variables or how to define a particular term. |
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| facts, figures, and other evidence gathered through observations. |
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