外研版(2019)选择性必修第一册Unit 5 Revealing nature Understanding ideas 课件(共28张PPT,内镶嵌视频)

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名称 外研版(2019)选择性必修第一册Unit 5 Revealing nature Understanding ideas 课件(共28张PPT,内镶嵌视频)
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资源类型 教案
版本资源 外研版(2019)
科目 英语
更新时间 2023-10-25 10:00:17

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(共28张PPT)
Unit 5 Revealing nature
揭示自然
A Journey of Discovery
发现之旅
1. Students can clarify the structure of the passage and understand the general idea of the passage.
2. Students can make a brief retelling of Darwin's journey of discovery based on time clues and details.
3. Students’ reading skills will improved.
Learning objectives:
1. Beagle 贝格尔号
2. ancestor 祖先
3. disgrace 耻辱, 丢脸的事
4. beaks 鸟嘴
5. finch 雀科鸣禽
6. suspect 猜想
7. theory 理论
8. origin 起源,起因
9. evolusion 进化
10. species 物种
Key words
Review
Who is he
Charse Darwin
物竞天择, 适者生存
What do you know about him
He was an English geologist and naturalist. He proposed the theory of evolution in his book On the Origin of Species.
“It is not the strongest of the species that survive, but the one most responsive to change.”
Lead-in
1. Was Darwin the first choice of the captain of Beagle
He was not the captain’s first choice.
2. Where did Darwin explain his new idea- a theory of evolution
Darwin explained this theory in his book, On the Origin of Species.
Read the passagequickly and find the answer.
Para.1
Para.6
Fast-reading
Read the passage more carefully and choose the best answer.
1. Why was Charles Darwin a disgrace to himself and all his family
A. Because he learned medical in the school.
B. Because he decided to visit distant countries.
C. Because he went for adventures after school.
D. Because he left medical school with no degree.
Careful-reading
2. What did Darwin discover first
A. All species appeared at the same time.
B. All species had never changed.
C. Some species were very similar.
D. The evidence for changing environments.
3. How did the people then react to Darwin's discovery first
A. Respected. B. Refused.
C. Accepted. D. Believed.
1. Why was Charles Darwin a disgrace to himself and all his family
A. Because he learned medical in the school.
B. Because he decided to visit distant countries.
C. Because he went for adventures after school.
D. Because he left medical school with no degree.
D
Read the passage more carefully and choose the best answer.
Careful-reading
It was a young man who had left medical school without completing his degree. What's more, he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family”.
Para.1
2. What did Darwin discover first
A. All species appeared at the same time.
B. All species had never changed.
C. Some species were very similar.
D. The evidence for changing environments.
C
But Darwin began to think differently. He noticed that some species of animals were very similar to each other. Maybe animals evolved as they adapted to their changing environments
Para.3
3. How did the people then react to Darwin's discovery first
A. Respected. B. Refused.
C. Accepted. D. Believed.
B
Many people refused to believe that living things, including humans, had evolved from lower forms of life. They were shocked. But Darwin's scientific studies were so convincing that more and more people started to believe his theory.
Para.6
A. Darwin’s interest in various living things made him a great naturalist.
B. Darwin’s journey on the Beagle inspired his Theory of Evolution.
C. Darwin went on a journey to confirm his theory that humans had evolved over time.
B
After-reading
Choose the best main idea.
1. What is the type of the text
A. A Diary
B. A narrative
C. A letter
B
Structure
six elements
of narrative
The Theory of Evolution
Charles Darwin
when
where
who
why
how
result
the ship Beagle
The text is organized in order of________.
time
In 1831
England
South
America
Galapago
Islands
Look at the map and find out the narrative order(叙述顺序).
began with
In 1835
A Journey of Discovery
Before the journey
During the journey
After the journey
Para: 1
Para: 2-5
Para: 6-7
How many part is it
Three
He was not the first __________.
He was a young man who had left __________school without completing his __________.
He was a __________ to himself and _____ his family.
choice
degree
Before the journey
medical
In captain’s eyes:
In common people’s eyes:
In his families’ eyes:
disgrace
all
Develop Ideas
Propose a theory
Look for
more evidence
Generate Ideas
On his journey
During the Journey
Studied various ___________ and noticed some species were very _______ to each other.
Animals evolved as they _________ to their _________ environments.
________ of finches evolved.
Species__________.
The Theory of __________.
living things
similar
changing
Beaks
evolved.
evolution
adapted
People’s reaction.
After the journey
storm
refused
believe
shocked
Today, it is regarded as one of
the most important works
ever written.
It has changed ideas about life
on Earth forever.
Practice
Decide whether the following statements are True(T) or False(F)
1. As a child, Darwin wanted to be a doctor.
2. Darwin traveled to collect and study animal specimens(标本).
3. Darwin found out the animals were permanent and perfect all the time.
4. Animals will pass on the features(特点) to help them survive.
5. On the Origin of Species is one of the most influential scientific work.
6. Darwin’s theory was welcomed by people of his time.
F
study nature
T
F
evolved with time
T
T
F
questioned
Summary
To answer the call of the captain of the ship, the _________, _________ began his journey of discovery. He noticed that some species of animals were very _________, and guessed that maybe animals evolved as they _________ to their changing environments. Although his completely new theory caused a _______, his scientific studies were so convincing that more and more people began to ________ the theory. His theory has changed ideas about life on Earth ________.
Beagle
Darwin
similar
adapted
storm
believe
forever
What kind of person was Darwin according to the passage
Think and Share
Darwin was a brave, confident and determined man. He had strong curiosity and interest in science and was good at thinking and making discoveries.
If we could travel back to Darwin’s time, what would Darwin say to us
Make a conversation.
Reporter
Darwin
1.the love of nature
2.difficulty and solution
4.the spirit of scientific exploration
3.the secret of success
Useful expression:
1.I’m fascinated by …, so I …
2.It is ... that inspires me to…
3.When I face…,what I want to do is…
e.g. R:Why do you love nature
D:Because I think there are many things unknown to us in nature, which arouse my curiosity and attract me to explore.
......
Role-play
1. Retell the story of Darwin’s journey of discovery in your own words.
2. Do a research:
How will the human species evolve in the future
Homework
Class is over!
See you next time!