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| the ongoing process of discovery in science; the diverse ways in which scientists study the natural world and propose explanations based on evidence they gather |
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| a possible explanation for a set of observations or answers 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 that a scientist changes during an experiment; also called independent variable |
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| the factor that changes as a result of changes to the manipulated variable; also called the dependent variable |
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| an experiment in which only one variable is manipulated at a time |
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| a statement that describes how to measure a particular variable or how to define a particular term |
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| facts, figures and other evidence gathered through observations |
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| the process of sharing ideas with others through writing and speaking |
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| a well-tested explanation for a wide range of observations or experimental results |
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| a statement that describes what scientists expect to happen every time under a particular set of conditions |
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