外研版（2019）选择性必修第一册 Unit5 Revealing nature Starting out and understanding ideas 名师课件(共25张PPT)
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| 名称 | 外研版（2019）选择性必修第一册 Unit5 Revealing nature Starting out and understanding ideas 名师课件(共25张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 22.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-03-02 17:58:46 | ||
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(共25张PPT)
Unit5 Revealing nature
Starting out and understanding ideas
Ⅰ
Ⅱ
Ⅲ
CONTENTS
Starting out
Homework
Reading
Starting out
Part 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.
Komodo dragon
Komodo dragons:
Komodo dragons were first encountered by Western researchers 1910. The researcher said the ancestor of the Komodo dragon most likely evolved in Australia ans spread westward, reaching the Indonesia island of Flores 900,000 years ago.
科莫多巨蜥最早是在1910年被西方研究人员发现的。研究人员说，科莫多巨蜥的祖先很可能是在澳大利亚进化而来，并向西传播，在90万年前到达印度尼西亚的弗洛雷斯岛。
Duck-billed platypus
The fist scientists to examine a preserved platypus body judged it
a fake in the late 18th century.
The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago.
18世纪晚期，第一批查看保存下来的鸭嘴兽尸体的科学家判定它是赝品。
已发现的最古老的现代鸭嘴兽的化石可以追溯到大约10万年前。
Duck-billed platypus
Nautilus
Nautilus
Fossil records indicate that the nautilus has survived relatively unchanged for around 500 million years. It is often considered a “living fossil”.
化石记录表明，鹦鹉螺在大约5亿年的时间里相对稳定地存活了下来。经常被认为是“活化石”。
1. How can seeds travel How can this benefit plants
Seeds usually are carried by the wind, water, and animals.
Plants can have a better chance at life.
2. Can you think of another example of seeds travelling Share it with the class.
Dandelion seeds have little parachutes to catch the wind and go further;
Humans can spread seeds if seeds get stuck to their clothing or shoes.
Watch the video and answer the questions.
Reading
Part 2
Look at the evolutionary tree and answer the questions.
1. What species do you recognise in the picture
Paramecium, earthworm, snail, crab, fish, tortoise,
bird, horse, human, frog...; alga, moss, fern, plant...
2. What factors can cause the process of evolution
The ever-changing environment of nature; environmental changes; population immigration; genetic mutation; cultural preferences...
Read the passage and talk about your
understanding of the title.
Most commonly, people believe that a journey means a trip from one place to another, especially over a long distance and literarily a journey refers to the process by which something gradually changes and develops. The title may indicate that Darwin’s research work leading to his discovery of evolution and the origin of species took quite a long time and great efforts, determination and courage to achieve.
Background
The British biologist, naturalist and the founder of Theory of Evolution.
In his early years, he sailed around the world on the Beagle for five years, and observed and collected a lot of animals, plants and geological structures. He published the Origin of Species and put forward the theory of biological evolution, thus destroying all kinds of idealistic creationism and species invariance. In addition to biology, his theory has great influence on the development of anthropology, psychology and philosophy. Engels listed "Theory of Evolution" as one of the three major discoveries of natural science in the 19th century (the other two are cell theory and the law of conservation and transformation of energy), which has made outstanding contributions to mankind.
英国的生物学家，自然学家和进化论的奠基人。
早年乘坐贝格尔号舰作了历时5年的环球航行，对动植物和地质结构等进行了大量的观察和采集。出版《物种起源》，提出了生物进化论学说，从而摧毁了各种唯心的神造论以及物种不变论。除了生物学外，他的理论对人类学、心理学、哲学的发展都有不容忽视的影响。恩格斯将“进化论”列为19世纪自然科学的三大发现之一（其他两个是细胞学说、能量守恒转化定律），对人类有杰出的贡献。
Charles Robert Darwin
Feb 12th, 1809—Apr 19th, 1882
Journey
1
2
3
4
5
6
7
Paragraph
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.
Number the puzzle pieces in order.
Organise information from the passage and complete them.
1
4
5
2
3
1. On his journey on the Bealge:
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？
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.
Now discuss why Darwin did not publish his Theory of Evolution until 1859, about twenty years after his discovery？ Do further research if necessary.
At that time, many people believed that all species had appeared on Earth at the same time and had not changed since, but Darwin’s theory proposed that living things, including humans, had evolved from lower forms of life, which, as a result, shocked many people.
2. Darwin was a determined man. He had strong curiosity and interests in science and was good at thinking and making discoveries.
Homework
Part 3
Homework
Option1: please find more sentence of past perfect.
Option2: if you were Darwin, would you insist your opinion of evaluation Why
Unit5 Revealing nature
Starting out and understanding ideas
Ⅰ
Ⅱ
Ⅲ
CONTENTS
Starting out
Homework
Reading
Starting out
Part 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.
Komodo dragon
Komodo dragons:
Komodo dragons were first encountered by Western researchers 1910. The researcher said the ancestor of the Komodo dragon most likely evolved in Australia ans spread westward, reaching the Indonesia island of Flores 900,000 years ago.
科莫多巨蜥最早是在1910年被西方研究人员发现的。研究人员说，科莫多巨蜥的祖先很可能是在澳大利亚进化而来，并向西传播，在90万年前到达印度尼西亚的弗洛雷斯岛。
Duck-billed platypus
The fist scientists to examine a preserved platypus body judged it
a fake in the late 18th century.
The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago.
18世纪晚期，第一批查看保存下来的鸭嘴兽尸体的科学家判定它是赝品。
已发现的最古老的现代鸭嘴兽的化石可以追溯到大约10万年前。
Duck-billed platypus
Nautilus
Nautilus
Fossil records indicate that the nautilus has survived relatively unchanged for around 500 million years. It is often considered a “living fossil”.
化石记录表明，鹦鹉螺在大约5亿年的时间里相对稳定地存活了下来。经常被认为是“活化石”。
1. How can seeds travel How can this benefit plants
Seeds usually are carried by the wind, water, and animals.
Plants can have a better chance at life.
2. Can you think of another example of seeds travelling Share it with the class.
Dandelion seeds have little parachutes to catch the wind and go further;
Humans can spread seeds if seeds get stuck to their clothing or shoes.
Watch the video and answer the questions.
Reading
Part 2
Look at the evolutionary tree and answer the questions.
1. What species do you recognise in the picture
Paramecium, earthworm, snail, crab, fish, tortoise,
bird, horse, human, frog...; alga, moss, fern, plant...
2. What factors can cause the process of evolution
The ever-changing environment of nature; environmental changes; population immigration; genetic mutation; cultural preferences...
Read the passage and talk about your
understanding of the title.
Most commonly, people believe that a journey means a trip from one place to another, especially over a long distance and literarily a journey refers to the process by which something gradually changes and develops. The title may indicate that Darwin’s research work leading to his discovery of evolution and the origin of species took quite a long time and great efforts, determination and courage to achieve.
Background
The British biologist, naturalist and the founder of Theory of Evolution.
In his early years, he sailed around the world on the Beagle for five years, and observed and collected a lot of animals, plants and geological structures. He published the Origin of Species and put forward the theory of biological evolution, thus destroying all kinds of idealistic creationism and species invariance. In addition to biology, his theory has great influence on the development of anthropology, psychology and philosophy. Engels listed "Theory of Evolution" as one of the three major discoveries of natural science in the 19th century (the other two are cell theory and the law of conservation and transformation of energy), which has made outstanding contributions to mankind.
英国的生物学家，自然学家和进化论的奠基人。
早年乘坐贝格尔号舰作了历时5年的环球航行，对动植物和地质结构等进行了大量的观察和采集。出版《物种起源》，提出了生物进化论学说，从而摧毁了各种唯心的神造论以及物种不变论。除了生物学外，他的理论对人类学、心理学、哲学的发展都有不容忽视的影响。恩格斯将“进化论”列为19世纪自然科学的三大发现之一（其他两个是细胞学说、能量守恒转化定律），对人类有杰出的贡献。
Charles Robert Darwin
Feb 12th, 1809—Apr 19th, 1882
Journey
1
2
3
4
5
6
7
Paragraph
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.
Number the puzzle pieces in order.
Organise information from the passage and complete them.
1
4
5
2
3
1. On his journey on the Bealge:
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？
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.
Now discuss why Darwin did not publish his Theory of Evolution until 1859, about twenty years after his discovery？ Do further research if necessary.
At that time, many people believed that all species had appeared on Earth at the same time and had not changed since, but Darwin’s theory proposed that living things, including humans, had evolved from lower forms of life, which, as a result, shocked many people.
2. Darwin was a determined man. He had strong curiosity and interests in science and was good at thinking and making discoveries.
Homework
Part 3
Homework
Option1: please find more sentence of past perfect.
Option2: if you were Darwin, would you insist your opinion of evaluation Why