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Practicing sceintific method

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Practicing sceintific method Presentation Transcript

  • 1. Practicing Scientific Method
  • 2. Steps of the Scientific Method
  • 3. Components of Scientific Experiment
    Title
    Background information
    Hypothesis
    Materials
    Controls & Variables
    Procedure
    Data & Analysis
    Conclusion
  • 4. Variables
    Variables are factors that change during experiment.
    Independent Variable (IV): variable that is purposely changed during experiment
    Dependent Variable (DV): variable that changes in response to purposeful change (IV)
  • 5. Controls: Variable that all others will be compared to
    Allows variables to be compared to something
    Procedure: step by step instructions of what you will do
    Constant: Experimental aspect that is kept the same for all trials
  • 6. Title of Experiment:
    The Effect of (Insert Independent Variable Here) on (Insert Dependent Variables Here).
    Hypothesis of Experiment:
    If (planned change in independent variable), then (predicted changed in dependent variable)
    Or another way to look at it…
    If (I do this) , then (this) will happen.
    Test your hypothesis by doing the experiment
  • 7. Example: Test insulation of different materials on jar of water
    Title: The Effect of Type of Insulation Wrap on Temperature of Water in a Jar
    Hypothesis: If jars of water in the sun are wrapped with different types of insulation, then the temperature of the water in the jars will increase by different amounts.
    IV: Type of insulation
    DV: Change in temperature of water in jar
  • 8. Collect Data
  • 9. Data & Results
    Analyze your data:
    Qualitative (They’re hot!), Quantitative (They’re a 10!)
    Create a graph/chart
    Conclusion:
    Briefly restate hypothesis
    Answer to your question
    Explain your results (How & Why)
    Describe any modifications and next steps.
  • 10. Practice Science Method
    A group of scientists want to measure the effect of adding different types of nutrients to the same plant species. They plan to add 3 different nutrients to the different species and measure the effect on the plant’s growth.
    What is the independent variable?
    What is the dependent variable?
    What would be an appropriate control?
    What are some of the constants?
    Set up a graph (Title & Labels) for data