Unit 5 Revealing nature Understanding ideas 课件（共12张，内嵌视频）-外研版（2019）选择性必修第一册
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| 名称 | Unit 5 Revealing nature Understanding ideas 课件（共12张，内嵌视频）-外研版（2019）选择性必修第一册 |
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| 格式 | pptx | ||
| 文件大小 | 12.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2026-01-02 20:57:44 | ||
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(共12张PPT)
Revealing nature
Book 4 Unit 5
Starting out & Understanding ideas
Activity 1
Look at the page from a science magazine and answer the questions.
1. What do you know about these animals What makes them special
2. What other similar animals do you know about Share your knowledge with the class.
They are all species that exit thousands of years on earth; They are old and rare (unusual).
Activity 2
carried by the wind, water,
and animals.
a better chance at life
How can seeds travel How can this benefit plants
Activity 3
Look at the evolutionary tree and answer the questions.
1 What species do you recognise in the picture
Paramecium(草履虫), earthworm(蚯蚓), snail, crab, fish, tortoise, bird, horse, human, frog, alga(藻类), moss(苔藓), fern(蕨类植物), plant...
2 What factors can cause the process of evolution
The ever-changing environment of nature; environmental changes; population immigration; genetic mutation(突变); cultural preferences...
Who
made this discovery
What
is the discovery
While-reading
Choose the main idea of the passage and give your reasons.
1. Darwin’s interest in various living things made him a great naturalist.
2. Darwin’s journey on the Beagle inspired his Theory of Evolution.
3. Darwin went on a journey to confirm his theory that humans had evolved over time.
The title of the passage is “A Journey of Discovery”. So the passage is mainly about how Darwin’s Theory of Evolution generated and developed on his journey on the Beagle.
Who
made this discovery
What
is the discovery
While-reading
How
did he make the discovery
Number the puzzle pieces in order. Organise information from the passage and complete them.
1
4
2
3
5
1 On his journey
various living things in their natural environments and samples of the plants and animals he had collected
very similar to each other
2 Generate ideas
come to exist
Maybe animals evolved as they adapted to their changing environments？
Number the puzzle pieces in order. Organise information from the passage and complete them.
1
4
2
3
5
3 Look for more evidence
that there was a difference between the finches on each of the islands.
had evolved according to what food was available on that particular island.
4 Develop ideas
had evolved from a common ancestor, which had arrived on the islands a long time before
slowly evolved into many new species.
5 Propose a theory
had evolved from lower forms of life.
What words would you put before the words
A/An __________Journey of __________ Discovery by __________Darwin
dangerous
adventurous
time-consuming
important
revolutionary
refreshing
far-reaching
courageous
determined
persistent
devoted
curious
Post-reading
What have you learnt about the spirit of scientific exploration How can this spirit help you in your life and studies
Revealing nature
Book 4 Unit 5
Starting out & Understanding ideas
Activity 1
Look at the page from a science magazine and answer the questions.
1. What do you know about these animals What makes them special
2. What other similar animals do you know about Share your knowledge with the class.
They are all species that exit thousands of years on earth; They are old and rare (unusual).
Activity 2
carried by the wind, water,
and animals.
a better chance at life
How can seeds travel How can this benefit plants
Activity 3
Look at the evolutionary tree and answer the questions.
1 What species do you recognise in the picture
Paramecium(草履虫), earthworm(蚯蚓), snail, crab, fish, tortoise, bird, horse, human, frog, alga(藻类), moss(苔藓), fern(蕨类植物), plant...
2 What factors can cause the process of evolution
The ever-changing environment of nature; environmental changes; population immigration; genetic mutation(突变); cultural preferences...
Who
made this discovery
What
is the discovery
While-reading
Choose the main idea of the passage and give your reasons.
1. Darwin’s interest in various living things made him a great naturalist.
2. Darwin’s journey on the Beagle inspired his Theory of Evolution.
3. Darwin went on a journey to confirm his theory that humans had evolved over time.
The title of the passage is “A Journey of Discovery”. So the passage is mainly about how Darwin’s Theory of Evolution generated and developed on his journey on the Beagle.
Who
made this discovery
What
is the discovery
While-reading
How
did he make the discovery
Number the puzzle pieces in order. Organise information from the passage and complete them.
1
4
2
3
5
1 On his journey
various living things in their natural environments and samples of the plants and animals he had collected
very similar to each other
2 Generate ideas
come to exist
Maybe animals evolved as they adapted to their changing environments？
Number the puzzle pieces in order. Organise information from the passage and complete them.
1
4
2
3
5
3 Look for more evidence
that there was a difference between the finches on each of the islands.
had evolved according to what food was available on that particular island.
4 Develop ideas
had evolved from a common ancestor, which had arrived on the islands a long time before
slowly evolved into many new species.
5 Propose a theory
had evolved from lower forms of life.
What words would you put before the words
A/An __________Journey of __________ Discovery by __________Darwin
dangerous
adventurous
time-consuming
important
revolutionary
refreshing
far-reaching
courageous
determined
persistent
devoted
curious
Post-reading
What have you learnt about the spirit of scientific exploration How can this spirit help you in your life and studies