The Scientific Method involves a series of steps that are used to investigate a natural occurrence. - PowerPoint PPT Presentation

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The Scientific Method involves a series of steps that are used to investigate a natural occurrence.

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The Scientific Method involves a series of steps that are used to investigate a natural occurrence. Problem/Question Observation/Research Formulate a Hypothesis ... – PowerPoint PPT presentation

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Title: The Scientific Method involves a series of steps that are used to investigate a natural occurrence.


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  • The Scientific Method involves a series of steps
    that are used to investigate a natural
    occurrence.

3
Scientific Method
  • Problem/Question
  • Observation/Research
  • Formulate a Hypothesis
  • Experiment
  • Collect and Analyze Results
  • Conclusion
  • Communicate the Results

4
Problem/Question
5
Observation and Research
  • Background research plan
  • Find information
  • Bibliography
  • Research paper

6
Hypothesis
  • A proposed explanation made
  • on the basis of limited evidence
  • as a starting point for further
  • investigation.
  • Example If soil temperatures rise, then plant
    growth will increase.

7
Variables
  • Dependent
  • Independent
  • The factor effected by the changes in the
    independent variable
  • The value depends on the change in the
    independent variable
  • Usually on y-axis
  • The variable changed by the scientist
  • Only change one element at a time
  • Make a change then make an observation
  • Usually on x-axis

8
Experiment
  • The test for your hypothesis.
  • Develop and follow a procedure.
  • Include a detailed materials list.
  • The outcome must be
  • measurable (quantifiable).

9
Collect Data and Analyze Results
  • Include tables, graphs, and photographs.
  • Modify the procedure if needed.
  • Confirm the results by retesting.

10
Type of Data
  • Qualitative
  • Quantitative
  • Requires no measurement
  • Color, odor, shape
  • Something you can measure.
  • Should have a numeric value

1 cm
11
Conclusion
  • Include a statement that accepts or rejects the
    hypothesis.
  • Make recommendations for further study and
    possible improvements to the procedure.

12
Communicate the Results
  • Be prepared to present the project to an
    audience.
  • Lab report
  • Scientific journal article
  • Science fair
  • Presentation
  • Expect questions from the audience.

13
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