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Scientific Method

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.
Created by: holtzmanscience