内容正文:
人教版(2019)选择性必修二
Unit 1 SCIENCE AND SCIENTISTS
Period 1
Reading and Thinking
1.To read about how John Snow defeated “King Cholera”
2.To work out the stages of scientific research
3.To understand the important role of questioning spirit in scientific research.
4.To solve the reading tasks by thinking logically and cooperating with peers.
Learning Objectives
How would you describe the photo?
What scientific equipment can you see in a science laboratory?
What qualities do you need to be a scientist?
Opening page
Discuss the following stages of scientific research in pairs. What order would you put them in.
_____analyze the results
_____ask a question
_____ draw a conclusion
_____ collect data
_____ find a problem
_____ think of a method
_____ find supporting evidence
Activity 1 Pre-reading
JOHH SNOW DEFEETS
“KING CHOLERA”
Who?
How?
What?
Why
was it John Snow, not other doctors, who defeated King Cholera?
Please quickly browse the title, and predict the content of the passage .
Who was John Snow?
What is King Cholera?
What did John Snow do about King Cholera?
Activity 1 Pre-reading
Skim the passage and use key words to summarize the main idea of each paragraph to see if what you have predicted were correct.
Activity 2 While-reading
Paragraph(s) Main idea
1 What?Who?
2-3 How?
4 The truth
5 Results and significance
Skim the para. 2& para.3 again and underline the key words or sentences to see if the order you decided in Activity 1 was correct. Work in pairs.
Activity 2 While-reading
Order Stage Key words or sentences
1
2
3
4
5
6
7
Find a problem
Think of a method
Collect data
Ask a question
Analyse the results
Draw a conclusion
Find supporting evidence
1.Find a problem
3.Think of a method
4.Collect data
2.Ask a question
5.Analyse the results
7.Draw a conclusion
6.Find supporting evidence
What kind of map it is?
Activity 3 Finding supporting details
It’s Snow’ cholera map.
Broad Street
Many deaths happened here.
No death happened h