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Scientific Method
| Term | Definition |
|---|---|
| Scientific Method | An orderly, systematic approach to problem solving. |
| Hypothesis | An educated guess about what the solution to the problem is; usually in if-then or if-then-because form. |
| Variable | One factor that is being tested in an experiment. |
| Trial | Each time you run an experiment. |
| Procedure | A collection of techniques you use to do an experiment |
| Observation | Evidence detected by our senses. |
| Inference | A tentative conclusion based on incomplete observations. |
| Independent Variable | The factor that is being changed or tested in the experiment. |
| Dependent Variable | The factor that is being measured or observed in the experiment; the outcome or solution. |
| Control Group | The subjects in the experiment that are not experiencing the change or the independent variable. |
| Experimental Group | The group where one factor in the experiment is different from the control. |
| Controlled Experiment | An experiment where only one variable is being tested. |
| Qualitative Observations | Observations that describe the quality or characteristic using your five senses. |
| Quantitative Observations | Observations that deal with numbers or determine size. |
| Precision | How close repeated measurements come to each other. |
| Accuracy | How close a measurement is to the "true" or "real" value (the right answer). |
| Outliers | Points in your data set that are very far away from the others. |