How to remember the 7 steps of the scientific method

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Simple mnemonic (with a picture!) to help students remember the steps of the scientific method.

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How to remember the 7 steps of the scientific method

  1. 1. How to remember the 7 Steps of the Scientific Method“People Really Hate Elephants On Compact Cars.” The picture will help you remember the steps!
  2. 2. How to remember the 7 Steps of the Scientific Method “People Really Hate Elephants On Compact Cars.”1. Problem – The “thing” that you want to know. The question you want to answer.2. Research - Information about the problem. What is already known?3. Hypothesis - Educated guess, or prediction of the outcome of the experiment. This guess can be tested by performing an experiment.4. Experiment- Tests the hypothesis.5. Observations - Data you collect during the experiment.6. Conclusions - Determine if the hypothesis is correct or not.7. Communicate - Present your results in a talk or a paper.
  3. 3. Example of the Seven Steps1. Problem: Do mice grow larger if given Vitamin C?2. Research: Learn about mice, their diet and vitamin C.3. Hypothesis: If mice are given vitamin C then they will grow larger4. Experiment: Two groups of mice – one gets vitamin C, one does not5. Observation: Weigh mice after 2 weeks – both groups are the same size6. Conclusion: Hypothesis is not correct (rejected)7. Communicate: Present your results
  4. 4. Identify the variables• Manipulated or Independent Variable (IV)? – Get Vitamin C or no Vitamin C• Responding or Dependent Variable (DV)? – Weight of mice• Control Group-treated “normally” – Mice with no Vitamin C• Experimental Group (IV is changed for this group) – Mice with Vitamin C• Constants (controlled variables) – Same mice (genetically identical), same food (except for Vitamin C), same weight scale, same cage conditions, same time frame..• Conclusion – Accept or Reject the Hypothesis

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