Unit1 Reading and thinking 名师教学设计
文本简述
本单元围绕科学和科学家为主题展开,讲述了几位中外科学家的生平、经历、研究过程和重要贡献,旨在激发青少年对科学研究的兴趣和好奇心,引导他们思考科学研究的方法,探索科学家的必备品质和科学精神的基本要素。本文通过引导学生分析John Snow探究霍乱病源、切断感染源、并最终阻止霍乱流行的过程与方法,促使他们思考和梳理科学研究的基本步骤和常见方法,理解质疑精神在科学研究中的作用。
教学目标
By the end of this class, students will
get information about how John Snow defeated cholera;
summarize the stages of scientific research;
talk about the significance and contribution of John’s work
教学设计
Step 1: Lead-in
Show students some pictures and talk about what happened during the Covid-19.
Question 1: Are you familiar with these situations
Question 2: Besides coronavirus, what other kinds of epidemics(流行病) do you know
Introduce something about Cholera to students.
Cholera: It begins in the stomach and a severe case can lead to death without immediate treatment. It features loss of liquid (缺水), severe vomiting (呕吐), and diarrhea (腹泻).
Step 2: Pre-reading
Read the title and make predictions.
John Snow Defeats “King Cholera”
Who How What
Questions: 1. Who was John Snow
2. What is King Cholera
3. How did John Snow defeat King Cholera
Step 3: While-reading
Activity 1 Read for the main idea and check your predictions
Activity 2 Read for stages
In order to carry out the scientific research, can you put the seven research stages in order
Find the seven scientific research stages in Para.2 & 3. Underline the key words or sentences. Pay attention to some verbs or adjectives.
Activity 3 Read for detailed information
Read Para.1 carefully and finish the mind map of Colera.
Read Para.2 & 3 carefully. Answer the following questions about the map. Then according to the map, complete the chart below about steps in the research.
What kind of map is it
What does “-” mean
What does “PH” mean
Where is the pump
Read Para.4 & 5 carefully and answer the questions.
What caused the outbreak of cholera in London
A. Bad air B. Water infected by raw waste
C. Polluted air D. Water polluted by the air
Why was John Snow called the father of modern epidemiology
Step 4: Group discussion
Question: What qualities and scientific spirits do they have in common Find your supporting evidence in the text.
Step 5: Homework
Ask students to write a short story about a scientist.
补充材料:The story of colera 观看霍乱的故事,增进学生对霍乱的理解,加深学生对课文的理解。
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