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Practicing sceintific method

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    Practicing sceintific method Practicing sceintific method Presentation Transcript

    • Practicing Scientific Method
    • Steps of the Scientific Method
    • Components of Scientific Experiment
      Title
      Background information
      Hypothesis
      Materials
      Controls & Variables
      Procedure
      Data & Analysis
      Conclusion
    • 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)
    • 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
    • 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
    • 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
    • Collect Data
    • 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.
    • 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