Presentation on theme: "Why and How Do We Inquire? In your lab group, brainstorm about the process the class went through as we thought about, designed and carried out our scientific."— Presentation transcript:
Why and How Do We Inquire? In your lab group, brainstorm about the process the class went through as we thought about, designed and carried out our scientific investigation on micro- organisms at Tahoma High School. On a large piece of paper, make a neat and colorful flow chart showing this process. Copy your chart into your lab notebook (in a new section that is appropriately titled) Post your chart on the wall above your lab station. Take a walk about and look at other flow charts; discuss.
Why and How Do We Inquire? Look at the diagram “Why and How Do We Inquire” in the textbook. (page 26) Study this document. Compare your flow chart to this flow chart. How are they similar? How are they different? In a different color, make changes/additions to the chart in your lab notebook.
Why and How Do We Inquire? Carefully read “It’s About Inquiry” on pp 25 -27. Think about how you would answer the Stop and Think questions on pg 27.
Why and How Do We Inquire? Observations Leading to Discoveries Following the flow chart from our last class, write the title of the next reading….”Observations Leading to Discoveries - Semmelweis”. Carefully read this passage. Look for ways by which Ignaz Semmelweis carried out the process of Scientific Inquiry. Jot down notes to yourself about the reading. Use your notes as we discuss the reading; you may add to your notes. Refer to the flow chart in your lab book to help you answer R & C q’s 1 a,b,c and 2. Write your answers in your lab notebook. Use complete sentences!
Observations Leading to Discoveries Puerperal Fever (aka “childbed fever”) 1 – 10 days post childbirth In the 1800’s, occurred in about 8 of every 100o births; 2- 3 of these cases were fatal Today, 3 cases in 100,000 births result in death Caused by Staphylococcus or Streptococcus bacteria
Observations Leading to Discoveries 1854 – John Snow researching Cholera breakouts in London first proposed the idea of “something invisible” being the cause of disease 1865 - John Lister continued the talk of “some invisible entity” 1875 – “Germ Theory” finally accepted
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