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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. |