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C32 Mapping Death

Explore the cholera epidemic through historical mapping and data analysis. This lesson focuses on the evidence gathered by John Snow, who challenged the miasma theory of disease spread and proposed that cholera was waterborne. Students will examine symptoms, the prevailing theories of the 1840s in London, and how Snow's observations and data collection led to critical insights into disease transmission. Engage in discussions about various diseases, gather evidence, and develop hypotheses relating to public health. Complete assignments to deepen your understanding of this pivotal moment in epidemiology.

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C32 Mapping Death

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  1. C32 Mapping Death DO NOW FOR 2/1/13 Take out your map and open books to page C-12. HW: None

  2. C32 Mapping Death • Today’s Target: I will be able to use the data about cholera deaths to make a hypothesis about how it is spread. • Check HW • Discuss data • Readings about Cholera • Analysis

  3. Recall O’ Shaughnessy’s description of Cholera’s symptoms • Symptoms of cholera • Diarrhea - Fingers bent • Periodic vomiting • Painful cramps • Severe dehydration • Sunken eyes • Black eyelids • Cyanosis (Body turns blue)

  4. C32 Mapping Death • What are ways different diseases can be spread? • Cargalon Fever (7th grade) – • Influenza (the Flu) – • Mononucleosis (Mono) – • Salmonella (Food poisoning) – • Malaria – • The common cold –

  5. C32 Mapping Death • State of science: • Germ theory – The idea that bacteria and other microscopic organisms cause illness and disease. • NOT ACCEPTED YET! • The prevailing theory about the spread of Cholera at the time: • Miasma – Bad air, smell • Living Conditions in 1840’s London:

  6. C32 Mapping Death – John Snow • Complete Analysis #4 on the back of your map. • Share your answer with someone around you. If they have a good answer add it to yours. • Based on the evidence from the mapping of death, our Hypotheses for spreading of cholera are –

  7. C32 Mapping Death – Key Points • 1. Scientists formulate and test their explanations of natural phenomena using observation, experiments, and physical and mathematical models. • Ex: Snow’s observations led him to believe that Cholera was not spread by miasma (bad air.) • 2. Scientists use appropriate tools and techniques to gather, analyze, and interpret data. • Ex: Snow plotted the deaths of people on _______. This allowed him to see __________ • 3. Thinking critically about evidence includes deciding which evidence should be used. • Ex: Snow focused on where people lived as opposed to _______

  8. C32 Mapping Death - Vocabulary • 1. Evidence: Observations or data to support a statement, hypothesis, or point of view. • 2. Hypothesis: A tentative theory used to explain a set of facts. A hypothesis can lead to further investigation to test whether the hypothesis is valid.

  9. C32 Mapping Death • Exit Ticket: • What additional data would John Snow need to prove his hypothesis?

  10. Open Books to page C-15 • HW: Complete analysis questions 1 and 2

  11. C33: John Snow and the Search for Evidence • Today’s Target: I will be able to research evidence to support John Snow’s hypothesis. • Exit Ticket Answers • Read Snow’s Theory on Pages C-15 • The Cholera epidemic Video – Intro. By Steve Johnson http://www.youtube.com/watch?v=3P8shnNEXb4 • Read pages C-16 through C-19. • Complete the table on student sheet 33.1 • Answer analysis questions 1 and 2 on page C-20

  12. Satellite Image of London

  13. C33 John Snow and the Search for Evidence Read Snow’s Theory on Pages C-15 The Cholera epidemic Video – Intro. By Steve Johnson http://www.youtube.com/watch?v=3P8shnNEXb4 Read pages C-16 through C-19. Complete the table on student sheet 33.1 Answer analysis questions 1 and 2 on page C-20

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