北师大版（2019）选择性必修四 Unit12 Lesson1 Scientific Breakthroughs 课件（28张PPT）

(共28张PPT)
UNIT 12 innovation
LESSON 1 scientific breakthroughs
目录页
contents
Pre-reading
I
Post-reading
IV
Fast Reading
II
Grammar
V
III
Intensive Reading
Ⅵ
Homework
Ⅰ
Pre-reading
premier scientist
pioneers of the 20th century
to be committed to
to be inspired by
to be proposed by
to improve the quality of human life
Pre-reading
What do you think are the most important inventions of discoveries of the 20th century Can you name a few inventors What makes them great
Some discoveries or inventions in the 20th century
Pre-reading
Means of transport
Pre-reading
Wright Brothers
Pre-reading
The change in communication
Pre-reading
Neil Alden Armstrong was the first person to set foot on the Moon.
This is my personal one small step, it was a great step of mankind.
Pre-reading
The first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957.
Pre-reading
Albert Einstein was considered the greatest scientist of the 20th century.
His greatest discovery is the creation of his famous Theory of Relativity.
Albert Einstein
Pre-reading
The designer of ENIAC, the first commercial computer made in the United States.
John William Mauchly and J. Presper Eckert
Pre-reading
The World’s First Computer
Pre-reading
Do you know him and his discoveries
Pre-reading
Newton’s Law of Universal Gravitation
Pre-reading
Ⅱ
Fast Reading
First reading
The purpose of this article is _______.
the introduction of Albert Einstein
the introduction of the process of scientific breakthrough
the introduction of the major scientific discoveries in the 20th century
the contributions scientists made to the world
First reading
Summary
The text mainly talks about a few pioneers of science and their discoveries in the 20th century, which makes the world completely different.
1. E=mc
2. penicillin
3. the first computer
4. the Internet
Try to match the discoveries with how they were discovered
a) scientists worked together as a team
b) there was a lucky accident
c) different scientists worked on it for many years
d) a scientist was inspired
First reading
Ⅲ
Intensive Reading
Find information about how the following things were invented / discovered. Organise the information in your own way. Then describe the process in groups.
E=mc
Who
How
Significance
penicillin
computer
the Internet
Intensive Reading
…
A brief introduction of scientific breakthroughs in the 20th century
Some great pioneers of science and their inventions or discoveries
The significance of these breakthroughs
Para 1
Para 2-6
Para 7
Intensive Reading
( ) 1. It is not easy to choose the single most important discoveries of the 20th century.
( ) 2. An atom is the smallest particle of matter.
( ) 3. Einstein was at work when he thought of the equation “E=mc ”.
( ) 4. Einstein participated in the programme that developed the nuclear bomb.
( ) 5. Einstein observed changes in time, size and mass.
F
NI
T
T
F
Write T (true), F (false), NI (no information) in brackets.
Intensive Reading
( ) 6. Fleming had been studying bacteria in his laboratory when the discovery happened.
( ) 7. Fleming developed the process of making penicillin.
( ) 8. The first computer project failed to meet its original goal.
( ) 9. The first computer was extremely difficult to programme.
( ) puters could not connect to each other before 1990.
F
F
NI
T
NI
Intensive Reading
Ⅳ
Post-reading
1. Which discovery or invention mentioned in the text has been the most important so far
2. Which discovery or invention will most influence the future Why
3. How did the writer connect the paragraphs Circle the signal words or phrases.
Post-reading
Think and share.
VI
Homework
Search online and find the major discoveries and inventions of the 21th century .Which do you think is the most important Why
Homework