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Published byMeagan Kennedy Modified over 9 years ago
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Scientific investigations
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Question/problem –What do you want to know Hypothesis- logical prediction for the question or problem Variables- Factors that can change in an investigation Independent-(Cause) the factor that is purposely made different by the experimenter to see what happens. Dependent- (Effect) The factor that is measured to see how the independent variable changes the outcome. Constant- variables that are kept the same for the experiment. Data- All observations and measurements made in the investigation
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Define a problem Form a Hypothesis- prediction of what will happen in the investigation Plan an investigation Experiment- the plan on how to test the problem Identify Variables Collecting Data- recorded and properly organized Interpreting Data- use logical reasoning backed up with the evidence gained Drawing Conclusions- Says whether the hypothesis was supported, refuted, or inconclusive. Most conclusions raise questions that must be further tested.
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Supporting evidence is well documented Variables are controlled as much as possible Experiments are repeated multiple times by the original investigator Investigations are replicated by other scientists Before publishing a study, Other scientists review the article. (Peer Review)
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Most reliable: Scientific Journals Books published by scientists about their field of study. Internet sources such as: Government or Academic webpages Unreliable Commercial internet sources Blogs by non-scientists Non-peer reviewed sources
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