| Term | Definition |
|---|
| Scientific Method | a series of steps that scientists use to answer questions and solve problems |
| Hypothesis | a tentative theory about the natural world |
| experiment | the act of conducting a controlled test or investigation |
| variable | something in an experiment that can change |
| dependent variable | the outcome factor; the variable that may change in response to manipulations of the independent variable. |
| independent variable | variable that is changed in an experiment, Factor in an experiment that researchers manipulate so that they can determine its effect |
| constant | variable that is not changed in an experiment |
| control | In an experiment, the standard used for comparison. |
| bias | a prejudiced view (either for or against); a preference |
| model | can be used to represent an idea, object, or event that is too big, too small, too complex, or too dangerous to observe or test directly |
| theory | Explanation of things or events based on scientific knowledge resulting from many observations and experiments |
| scientific law | a statement that describes what scientists expect to happen every time under a particular set of conditions |
| technology | the practical application of science to commerce or industry |
| standard | conforming to or constituting a standard of measurement or value |
| SI | a complete metric system of units of measurement for scientists |
| volume | the amount of 3-dimensional space occupied by an object |
| mass | the amount of matter in an object |
| density | mass per unit volume |
| graph | Visual display of information or data |
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