北师大版（2019）选择性必修 第四册Unit 12 Innovation Lesson 1 Scientific Breakthroughs课件(共18张PPT)

(共18张PPT)
Unit 12 Connections
Lesson1 How Closely Connected Are We
Unit 12 Connections
Lesson1 How Closely Connected Are We
To read and talk about the “Six Degrees of Separation” theory
To read for deep understanding
To read for specific information and make inferences
To write a report
Learning Objectives
1. How many of you use social media
2. How many contacts do you have on social media
3. How many people do you regularly communicate with
Task1
You !
1
2
3
5
4
A Stranger!
Theory: Six Degrees of Separation
Task1
Thi article introduces what the theory of “Six Degrees Separation” is and how it develops.
Para. 1 The small-world problem.
Para. 2 Columbia Small-world Project.
Para. 3 An experiment at the University of Milan.
Para. 4 Conclusion: We are closely connected.
Para. 5 When the concept appeared and who invented it.
Para. 6 What it means.
Para. 7 It influenced the entertainment industry.
Task2
introduction
in 1967
in the Mid-1990s
in 2003
in 2011
conclusion
www.islide.ccintroductiondevelopmentconclusionQ1. What does “Six Degrees of Separation” theory mean Q2. When was the concept first talked about Aperson can be connected to anyone through no more than five other people accordingto thetheory.The theory “Six Degrees of Separation” was first talked about in the 1920s.Task3
introduction
conclusion
1967
mid-1990s
2003
2011
单击此处添加文本具体内容
单击此处添加文本具体内容
单击此处添加文本具体内容
results
who
who
how
introduction
conclusion
1967
mid-1990s
2003
2011
who
how
results
introduction
conclusion
1967
mid-1990s
2003
2011
who
result
how
Columbia University
introduction
conclusion
1967
mid-1990s
2003
2011
who
result
how
the university of Milan
In the mid-1990s
How Closely Connected Are We
In 1967
In 2011
In 2003
Examples to prove the theory
Introduction
Conclusion
The theory “Six Degrees of Separation” was first talked about in the 1920s.
People are closely connected.
A person can be connected to anyone through no more than five other people according to the theory.
Task3
Task4
What can you learn from the theory of “Six Degrees of Seperation” www.islide.ccTask4The theory of “Six Degrees of Seperation” tells us that we are closely connected in the world, so we should love, care about and help each other. What we do can make a difference to others and the world.Task5Search online and find details about the “small-world problem”, “Columbia Small-world Project” or other experiments related to the theory. Write a short report on your findings.
Homework
Thank You