2 Elements to a good experiment QuestionHypothesisReasonable and testable explanation for observations (if Then statement)Independent VariableWhat is purposefully changed in the experimentDependent VariableWhat changes as a result of the independent variable
3 Experiments continued ConstantsWhat must be kept the same in an experimentControlTrial excluding independent variable- acts as a standard for comparisonTrials- the number of times experiment is conducted- should be multiple times
4 Continued . . .Procedure: Step by step explanation of how you are conducting your experimentIf well-written, then anyone should be able to do your experimentObservations/data collectionRecording of observations or dataUsually in the form of a data table
5 Continued:Results: Formal recording of the results- usually in the form of a graphConclusions- must contain 3 itemsWas your hypothesis correct?How do you know? (prove it from the data)Error in your experiment?
6 Example from homework: Question:HypothesisIVDVConstantsControlTrials
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