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Scientific Method
Term | Definition |
---|---|
Hypothesis | A proposed answer to a problem. All good hypotheses must be testable and able to be proven false. |
Theory | An explanation for a series of observations of related phenomena |
Scientific Method | A system of tools used to solve problems in an orderly way. |
Observation | Information you gather using your senses |
Inference | A conclusion drawn from observations and past knowledge |
Analyze | To critically consider information in the context of a problem |
Experiment | A structured activity designed to test a hypothesis |
Variable | Anything that could affect the results of an experiment |
Controlled Variable | Factor in the environment that is intentionally kept the same from one experimental trial to another |
Manipulated Variable | Factor in the environment that is intentionally changed ("manipulated") from one experimental trial to another |
Responding Variable | The factor(s) in the environment that respond(s) to the manipulated variable. This is usually in the form of data that you collect from an experiment. |
Positive Control | An experimental trial in which all variables are kept as close to "normal" as possible. |
Negative Control | An experimental trial in which the manipulated variable is removed. |