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Nature Of Scientific Inquiry
 

Nature Of Scientific Inquiry

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Nature Of Scientific Inquiry Nature Of Scientific Inquiry Presentation Transcript

  • Nature of Scientific Inquiry “how to do science”
  • AP BIO
    • 1. Design experiment to test 600X size. Turn in forms…
    • 2. Revamp on schedule … summer stuff due Tues w/ test due to new students, etc.
    • 3. Lab safety.
    • 4. Doing science.
    • 5. Lab – Fish homeostasis
    • Put on a poster what you might put in a lab report. ( one per group)
    • 6. Set up grow me.
    • 7. Lab Safety quiz HW…and summer HW
  • Lab Report
    • Problem
    • Hypothesis
    • Materials
    • Methods
    • Data
    • Conclusion
  • 1. Observations
    • Observe some aspect of your world. Learn what you can about it and form a question.
  • 2. Develop a Hypothesis
    • … an education guess, not a blind one.
    • Using your hypothesis as a guide, make a prediction.
    • Sometimes take the form of an “if-then” statement.
    • “ null hypothesis” The null hypothesis is a hypothesis which the researcher tries to disprove, reject or nullify. Read more: http://www.experiment-resources.com/null-hypothesis.html#ixzz0PFpTDGN4
  • 3. Test
    • Devise a test w/ systematic observations, building models and or conducting experiments.
    • Whenever possible a good experiment has:
    • 1. quantitative data ( #s)
    • 2. limited to one variable
    • 3. a control – standard for comparison
    • 4. can be repeated (avoid sampling error)
  • Physics
    • Turn in forms, wordle for stamp
    • Warm up…Picture find lab errors
    • http://expedioscientiam.net/school/resources/what_not_to_do_600.pdf
    • Lab Safety
    • How to do Science Notes
    • Lab
    • Equipment sheet (HW)
    • Lab Safety Quiz
  • DRY MIX
    • DRY – dependant responding variable (on y axis)
    • MIX – manipulated independent varialbe (on X axis)
  • “the scientific method”
    • Not a fixed numbered procedure.
    • A fluid continuously modified process.
    • More of a logical approach to problem solving….
    • SCIENCE has to be “testable”.
    • SCIENCE is NOT an opinion or belief.
    • Beliefs and science do have to be mutually exclusive.
  • About the word “theory”
    • … stronger than in our ordinary language.
    • Means that researchers have tested its predictive power many times and in many ways in the natural world and have yet to find evidence that disproves it.
    • Ex: theory or natural selection, Einstein’s theory of relativity.
    • Still don’t say it is absolute truth…but that it has a high probability of being true.
    • Scientists keep their eyes open for any new information and new tests that might disprove its premises.
  • Limits of Science
    • Not everything can be “tested”.
    • Subject to our worldview ( ask Galileo)
    • Personal bias (funding)
    • Limited by our technology