1. Do Now for 2/5/13 HW: Rough Copy of the letter is due tomorrow – Worth a quiz grade Final Copy Due on Thursday

2. C33 John Snow and the Search for Evidence Discuss Background information. Read Letter from Whiting. Introduce quiz.

3. C33 John Snow and the Search for Evidence What two water companies serve London? How are they different?

4. C33 John Snow and the Search for Evidence Does Whiting’s letter support or disprove John Snow’s theory about the spread of cholera?

5. Water Company Name Number of deaths from cholera Number of households served Average number of deaths per household Number of deaths per 10,000 households S & V Water Company 4,09340,0460.10221,022 Lambeth Water Company 46126,1070.0177177 Rest of London 4,800256,4230.0187187 Is there another way to present the data in the last column?

6. Satellite Image of London

7. C33 John Snow and the Search for Evidence Quiz Grade – Write a letter to the London Board of Health. You are essentially writing a persuasive essay. – State the cause of Cholera. – Present the data found by Snow and Whiting. – State why they should believe you(What does the data mean). – What should be done to stop the spread?

8. Part 1:The Cause of Cholera State how you think people are getting Cholera. Where is it coming from?

9. Part 2: Present Data to Support Your Idea about the cause of Cholera You need evidence to support your idea – Not great -In the letter – Better -Bulleted – Best -Present the data in a table that is easy to read

10. Part 3: Why should they believe you? Interpret what the data means – Explain the data Examples: Not good - You should believe me because I worked hard. Needs improvement - S&V killed more people than Lambeth. – Without explaining the data someone could argue that S&V had more deaths because they served more people. Best - Analyze the data – Show what the data means.

11. Part 4: What should be done? What should we do to stop the spread of the disease? Not good -Don’t drink any water – Not realistic!!! Better -Realistic solution to stop current outbreak. Best -Realistic solutions to stop the current outbreak, AND how to prevent future outbreaks.

12. What’s Next?? Your rough draft must be completed by tomorrow!!! Final copy is due Thursday!!! London Board of Health Address: Edwin Chadwick Department of Health Richmond House 79 Whitehall London SW1A 2NS

13. Do Now for 2/6/13 Take out letter HW: Final draft due tomorrow

14. Today’s Target: I will be able to revise and edit my letter to make it better. Peer editing activity Begin final draft. HW: Complete final draft.