Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs
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| 名称 | Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs |  | |
| 格式 | rar | ||
| 文件大小 | 885.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 北师大版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2011-05-27 19:00:04 | ||
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(共24张PPT)
Scientific Breakthroughs
Reading
Unit 20 - Lesson3 - 1
王净
Objectives
At the end of this class, you’ll be able to
use some reading strategies to identify
accurate information of the text.
learn about some scientific break-
throughs and the scientists.
learn at least 8 new words.
Read to learn
Reading strategy 1 →
Read the text fast and get the general idea. Don’t worry about the new words.
The purpose of this article is to introduce ______.
a great scientist Albert Einstein
the process of scientific research
a few pioneers of science and their discoveries in the 20th century
Read to learn
A. Elbert Einstein
C. Edwin Hubble
B. Alexander Fleming
D. Eckert and Mauchly
Match the pioneers with the discoveries
discovered penicillin
showed that not even time, mass
or length are constant.
proved that the universe is actually
expanding
produced a huge machine as
the first computer
B
C
A
D
Words to see
human organs
donate
Have you heard of the great mom who donated
a healthy liver(肝) to her son
*galaxy
Words to see
mist
Hubble discovered small areas of mist
which are in fact galaxies like our own,
millions of light years away from us.
*mould
Words to see
*penicillin
This blue mould was in fact the
natural form of penicillin.
Penicillin helped to cure people who
were ill during the Second World War.
Words to see
navy soldiers
missile
The US Navy was looking for ways of
improving the accuracy of their missiles.
Words to see
circuits
switches
With thousands of circuits and 6000 switches,
the first computer used so much energy.
Read to learn
Then read the questions/statements and identify important words. Find the relevant part of the text and identify the important words.
Reading strategy 2 →
Reading strategy 3 →
If there is no info, make sure the answer
cannot be found or inferred in the text.
read the text and answer the following questions.
In which theory did Einstein showed that not
even time, mass or length are constant
2. Did it take a long time for Hubble to explore
our galaxy
3. Did Fleming find penicillin on purpose
Read to learn
theory of relativity
Yes.
No. He found it by chance.
read the text and answer the following questions.
4. Did the US navy use the computer during the
Second World War
5. What’s the positive influence of the first computer
Read to learn
the first computer was produced after the war.
No.
It was not mentioned in the text.
Einstein was at work when he thought of the equation “E=mc2”.
Para.3 He was rocking his baby
F
Read to learn
Are these statements true (T) or (F) or (NI)
2. Einstein participated in the program
that developed the nuclear bomb.
Para.3 no info. at all
NI
Read to learn
Are these statements true (T) or (F) or (NI)
3. Hubble discovered that our galaxy is bigger than we thought.
T
Read to learn
Are these statements true (T) or (F) or (NI)
4. There was a blue mould around the bacteria in the dish.
There was no bacteria around the mould.
F
Read to learn
Are these statements true (T) or (F) or (NI)
5. The first computer was extremely
difficult to program.
NI
Read to learn
Are these statements true (T) or (F) or (NI)
Words to learn
Find the similar explanation.
p1: If you had to choose the single most
important discovery of the 20th century, you
would have a real dilemma on your hands.
A. great choice B. difficult choice
p1: Communications changed with the introduction of mobile phones and the way we correspond went from writing to emailing.
A. communicate B. transport
Words to learn
Find the similar explanation.
p3: One of the 20th century’s premier scientists was Albert Einstein.
most intelligent B. most important
p3: In the summer of 1905, this outspoken young man was rocking his one-year-old baby when he was suddenly inspired.
cheered up B. given new idea
Words to learn
Find the similar explanation.
p6: Fleming remained modest about the amazing outcome of his discovery.
result B. change
p7: The navy turned to Eckert, an engineer, and Mauchly, a physicist, to wrestle with the problem….
get across B. deal with
dilemma 困境，进退两难
correspond 通信
inspire 激发, 使生灵感
premier 最重要的
outcome 后果, 结果
wrestle 摔跤；搏斗
Pronunciation
Homework
Do Self-Assessment
2. Read the text and go over
the new words
Scientific Breakthroughs
Reading
Unit 20 - Lesson3 - 1
王净
Objectives
At the end of this class, you’ll be able to
use some reading strategies to identify
accurate information of the text.
learn about some scientific break-
throughs and the scientists.
learn at least 8 new words.
Read to learn
Reading strategy 1 →
Read the text fast and get the general idea. Don’t worry about the new words.
The purpose of this article is to introduce ______.
a great scientist Albert Einstein
the process of scientific research
a few pioneers of science and their discoveries in the 20th century
Read to learn
A. Elbert Einstein
C. Edwin Hubble
B. Alexander Fleming
D. Eckert and Mauchly
Match the pioneers with the discoveries
discovered penicillin
showed that not even time, mass
or length are constant.
proved that the universe is actually
expanding
produced a huge machine as
the first computer
B
C
A
D
Words to see
human organs
donate
Have you heard of the great mom who donated
a healthy liver(肝) to her son
*galaxy
Words to see
mist
Hubble discovered small areas of mist
which are in fact galaxies like our own,
millions of light years away from us.
*mould
Words to see
*penicillin
This blue mould was in fact the
natural form of penicillin.
Penicillin helped to cure people who
were ill during the Second World War.
Words to see
navy soldiers
missile
The US Navy was looking for ways of
improving the accuracy of their missiles.
Words to see
circuits
switches
With thousands of circuits and 6000 switches,
the first computer used so much energy.
Read to learn
Then read the questions/statements and identify important words. Find the relevant part of the text and identify the important words.
Reading strategy 2 →
Reading strategy 3 →
If there is no info, make sure the answer
cannot be found or inferred in the text.
read the text and answer the following questions.
In which theory did Einstein showed that not
even time, mass or length are constant
2. Did it take a long time for Hubble to explore
our galaxy
3. Did Fleming find penicillin on purpose
Read to learn
theory of relativity
Yes.
No. He found it by chance.
read the text and answer the following questions.
4. Did the US navy use the computer during the
Second World War
5. What’s the positive influence of the first computer
Read to learn
the first computer was produced after the war.
No.
It was not mentioned in the text.
Einstein was at work when he thought of the equation “E=mc2”.
Para.3 He was rocking his baby
F
Read to learn
Are these statements true (T) or (F) or (NI)
2. Einstein participated in the program
that developed the nuclear bomb.
Para.3 no info. at all
NI
Read to learn
Are these statements true (T) or (F) or (NI)
3. Hubble discovered that our galaxy is bigger than we thought.
T
Read to learn
Are these statements true (T) or (F) or (NI)
4. There was a blue mould around the bacteria in the dish.
There was no bacteria around the mould.
F
Read to learn
Are these statements true (T) or (F) or (NI)
5. The first computer was extremely
difficult to program.
NI
Read to learn
Are these statements true (T) or (F) or (NI)
Words to learn
Find the similar explanation.
p1: If you had to choose the single most
important discovery of the 20th century, you
would have a real dilemma on your hands.
A. great choice B. difficult choice
p1: Communications changed with the introduction of mobile phones and the way we correspond went from writing to emailing.
A. communicate B. transport
Words to learn
Find the similar explanation.
p3: One of the 20th century’s premier scientists was Albert Einstein.
most intelligent B. most important
p3: In the summer of 1905, this outspoken young man was rocking his one-year-old baby when he was suddenly inspired.
cheered up B. given new idea
Words to learn
Find the similar explanation.
p6: Fleming remained modest about the amazing outcome of his discovery.
result B. change
p7: The navy turned to Eckert, an engineer, and Mauchly, a physicist, to wrestle with the problem….
get across B. deal with
dilemma 困境，进退两难
correspond 通信
inspire 激发, 使生灵感
premier 最重要的
outcome 后果, 结果
wrestle 摔跤；搏斗
Pronunciation
Homework
Do Self-Assessment
2. Read the text and go over
the new words