Unit 5 Revealing Nature Understanding Ideas A journey of Discovery 课件（共13张，内嵌视频）-2025-2026学年高中英语外研版选
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| 名称 | Unit 5 Revealing Nature Understanding Ideas A journey of Discovery 课件（共13张，内嵌视频）-2025-2026学年高中英语外研版选 |  | |
| 格式 | pptx | ||
| 文件大小 | 43.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-10-26 19:20:23 | ||
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(共13张PPT)
Flower vector created by pikisuperstar - www.
A Journey of Discovery
Understanding ideas
By the end of the class, students will be able to：
1. recognise and summarize the main idea of the passage;
2. sort out the procedure of the journey;
3. appreciate the spirit of the scientist’s exploration;
4. optimise cooperative learning strategy.
Learning Objectives
Engagement
warm-up
What factors can cause the process of evolution
environmental changes;
genetic mutation(基因突变）；
population immigration；
climate change...
lower forms of life
higher forms of life
Evolution
Engagement
Two Truths and a Lie
Activity 1 : Please guess which one is false from the following statements about Charles Robert Darwin. (1 min.)
1. Darwin spent 5 years traveling on a ship called Beagle.
2. He immediately published his theory of evolution after the trip.
3. He studied finches in the Galapagos Islands.
Exploration
Reading for main idea
Activity 2 : Choose the main idea of the passage and give your reasons. (2 mins.)
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 hadevolved over time.
How did he make this discovery
Exploration
Reading for details
Activity 3 : Organize information from the passage and complete the timeline. (4 mins)
①In 1831, He left .
and studied
.
②In South America, He asked .
when he studied .
③In 1835, He concluded the answer: w ,
through looking for more evidence.
④In 1859, he proposed and . published .
on the Beagle
England
various living things
how different species came to exist
samples he collected
They evolved from earlier ancestors.
a theory of evolution
On the Origin of Species
1. Observe the phenomenon
2. Generate an idea
3. Develop the idea
4. Propose a theory
Exploration
Reading for details
Activity 4 : What Scientific Method did Darwin apply
1. Observe the phenomenon
2. Generate an idea
3. Develop the idea
4. Propose a theory
Induction（归纳法）
A method of discovering genral rules and principles from particular facts and examples.
Deduction（演绎法）
The process of reaching a conclusion by reasoning（推理）.
Explanation
Think & Share
Activity 5 : What other factor do you think contributes to this discovery
scientific method of exploration
② field exploration（实地考察）;
③ The opportunity to explore;
④ Darwin’s personal qualities;
......
Explanation
Think & Share
Activity 6 : What kind of person was Darwin according to the passage
Example: I think the Darwin is a determined man, because in paragraph...we can know...
courageous
observant
adventurous
perseverant
...
Elaboration
Group Discussion
Please work in groups to discuss how the human species will evolve in the future and give the evidence to support your ideas.(4 mins)
Sample:
Criteria(评分标准） Rating
Content
Language
Performance
English Flunency
We think humans will generally grow taller in the future due to abundant nutrition and improved healthcare. Sufficient nutrition could sustain height growth.
Elaboration
Group Discussion
Homework
Compulsory:
1. Complete the exercise about this class.
2. Write an essay discussing changes of people in the future.
Optional:
Research more information about a theory of evolution.
---Charles Robert Darwin
“I can succeed in science, the most important thing is the love of science and insisting on long-term exploration.”
Flower vector created by pikisuperstar - www.
A Journey of Discovery
Understanding ideas
By the end of the class, students will be able to：
1. recognise and summarize the main idea of the passage;
2. sort out the procedure of the journey;
3. appreciate the spirit of the scientist’s exploration;
4. optimise cooperative learning strategy.
Learning Objectives
Engagement
warm-up
What factors can cause the process of evolution
environmental changes;
genetic mutation(基因突变）；
population immigration；
climate change...
lower forms of life
higher forms of life
Evolution
Engagement
Two Truths and a Lie
Activity 1 : Please guess which one is false from the following statements about Charles Robert Darwin. (1 min.)
1. Darwin spent 5 years traveling on a ship called Beagle.
2. He immediately published his theory of evolution after the trip.
3. He studied finches in the Galapagos Islands.
Exploration
Reading for main idea
Activity 2 : Choose the main idea of the passage and give your reasons. (2 mins.)
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 hadevolved over time.
How did he make this discovery
Exploration
Reading for details
Activity 3 : Organize information from the passage and complete the timeline. (4 mins)
①In 1831, He left .
and studied
.
②In South America, He asked .
when he studied .
③In 1835, He concluded the answer: w ,
through looking for more evidence.
④In 1859, he proposed and . published .
on the Beagle
England
various living things
how different species came to exist
samples he collected
They evolved from earlier ancestors.
a theory of evolution
On the Origin of Species
1. Observe the phenomenon
2. Generate an idea
3. Develop the idea
4. Propose a theory
Exploration
Reading for details
Activity 4 : What Scientific Method did Darwin apply
1. Observe the phenomenon
2. Generate an idea
3. Develop the idea
4. Propose a theory
Induction（归纳法）
A method of discovering genral rules and principles from particular facts and examples.
Deduction（演绎法）
The process of reaching a conclusion by reasoning（推理）.
Explanation
Think & Share
Activity 5 : What other factor do you think contributes to this discovery
scientific method of exploration
② field exploration（实地考察）;
③ The opportunity to explore;
④ Darwin’s personal qualities;
......
Explanation
Think & Share
Activity 6 : What kind of person was Darwin according to the passage
Example: I think the Darwin is a determined man, because in paragraph...we can know...
courageous
observant
adventurous
perseverant
...
Elaboration
Group Discussion
Please work in groups to discuss how the human species will evolve in the future and give the evidence to support your ideas.(4 mins)
Sample:
Criteria(评分标准） Rating
Content
Language
Performance
English Flunency
We think humans will generally grow taller in the future due to abundant nutrition and improved healthcare. Sufficient nutrition could sustain height growth.
Elaboration
Group Discussion
Homework
Compulsory:
1. Complete the exercise about this class.
2. Write an essay discussing changes of people in the future.
Optional:
Research more information about a theory of evolution.
---Charles Robert Darwin
“I can succeed in science, the most important thing is the love of science and insisting on long-term exploration.”