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Scimethnew Scimethnew Presentation Transcript

  • CATALYST Do you think chimpanzees can learn American Sign Language? How about use a computer? Why or why not?
  • Meet Jane Goodall…
  • SCIENTIFIC METHOD
    • This is a series of steps that scientists use answer questions and solve problems
  • SCIENTIFIC METHOD
    • SIX
    • GREAT
    • FARMERS
    • PLANT
    • ALL
    • DAY
    • (this is a mnemonic device)
  • Six: State the Problem
    • The scientist identifies the question or subject that he/she wishes to study
  • Great: Gather Information
    • The scientist researches the subject that he/she is studying.
      • Places to do research: library, internet, encyclopedia, television, etc.
  • Farmers: Form Hypothesis
    • A hypothesis is the scientist’s educated guess or best guess about what will happen in the experiment.
    • Usually has the words “If... Then”
      • IF I eat too much, THEN I will get sick
      • Inference – a logical interpretation based on prior knowledge or experience (Ex.  You see a window broken and a baseball on the floor next to the shattered glass.  You can -infer- that a baseball broke your window)
  • Plant: Perform Experiment
    • Scientists develop a way to test their hypothesis
    • Independent Variable (manipulated) : part of the experiment that can be changed or controlled
    • Dependent Variable (responding) : What is measured in the experiment
    Control –what you keep the same. A good experiment only changes one thing!
  • All: Analyze Data
    • Scientists compile data into charts and graphs
    • This helps make sense of the information taken from the experiment
    • Quantitative – numbers
    • Qualitative – description
    • X –axis is the dependent variable
    • Y-axis is the independent variable
  • Day: Draw Conclusions
    • Scientist decides whether the original hypothesis was correct.
      • If the answer is “ YES ” then you are done
      • If the answer is “ NO ” then a new hypothesis is made and you repeat the experiment