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Scientific Method Notes. 8 th Science 2012. Scientific Method Steps. PROBLEM – Puts focus on the purpose of the experiment RESEARCH – Can use formal research methods (book, internet, research or observational study, etc.) or sometimes, only prior knowledge.

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Scientific method notes

Scientific Method Notes

8th Science 2012


Scientific method steps
Scientific Method Steps

  • PROBLEM – Puts focus on the purpose of the experiment

  • RESEARCH – Can use formal research methods (book, internet, research or observational study, etc.) or sometimes, only prior knowledge.


3. HYPOTHESIS – Can be in statement form or placed in “IF – THEN” format to accentuate the independent and dependent variables. It is a statement that you THINK is the answer to the problem. This statement MUST be testable.


4. EXPERIMENT – Process of data collection; collected data is put into tables or charts. Should be a controlled experiment when possible.

  • Control – The part of the experiment that does NOT change… NOT being tested.

  • Variable – the part of the experiment that changes.


  • Experiment continued…

    • Independent Variable – The variable the scientist controls…time intervals, when data is collected, scientists’ actions, etc.

    • Dependent Variable – The TESTED variable that responds to the scientist’s manipulation…what is being measured.


5. ANALYSIS – Scientist discovers whether or not the data supports the hypothesis.

Graphs are used to make calculating and observing data easier to see (Bar, Line, and Pie)


  • Dry Mix Graphing Method

  • X Axis – Independent Variable (one scientist controls)

  • Y Axis – Dependent Variable (one we measured)


6. CONCLUSION – A final decision made about whether or not your hypothesis is supported by data.

Options: Test again; not enough information to decide; need more research; hypothesis was correct; or hypothesis incorrect. In all circumstances, the scientist has learned SOMETHING about the problem.


7. COMMUNICATE – This allows the scientist to share information and duplicate results or find new information about the same problem.


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