外研版（2019）必修第三册Unit 3 The world of science Developing ideas 课件(共18张PPT)
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| 名称 | 外研版（2019）必修第三册Unit 3 The world of science Developing ideas 课件(共18张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 34.6MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-06-04 17:55:22 | ||
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文档简介
(共18张PPT)
Developing ideas
FRANKLIN’S EXPERIMENT:
How Much Is True
Lead-in
Who is he
Benjamin Franklin
Read the short introduction to Benjamin Franklin
Benjamin Franklin (1706–1790) was one of the Founding Fathers of the United States and helped draft the Declaration of Independence and the US Constitution. Apart from being a successful statesman, he was also well known as a leading American author, printer and publisher, successful diplomat, creative scientist and inventor.
Pre-reading
What’s the function of an essay title
直截了当的
含蓄的
While-reading
Make a fast reading and then match the main ideas to each paragraph.
Match the main ideas with the paragraphs.
Paragraph 1 A. Questioning accepted ideas.
Paragraph 2 B. Benefits of the stories about exploring science.
Paragraph 3 C. Benjamin Franklin’s famous experiment.
Paragraph 4 D. Facts should be proved by experiments and research.
Paragraph 5 E. Introduction of the theme of the text.
Paragraph 6 F. Not everything about the experiment is true.
Make a careful reading and finish the table.
To test if lightning was really produced by electricity.
A kite, a string and a metal key.
First, Franklin flew a kite with a string and a metal key was attached to it.
Then, when a flash of lightning hit the kite, electricity was conducted through the string to the key.
Finally, touching the key, Franklin got an electric shock.
Lightning was a form of electricity.
The kite experiment
lightning flash:
household current:
Life Tip：
300 million Volts
(3亿伏特)
120 Volts
Did Benjamin Franklin touch the key
How do you know it
Although it has been proved that Franklin’s experiment took place, more than one scientist has questioned what really happened. If Franklin had actually touched the key, he would certainly have died from the electric shock.
Humans can’t withstand(经受住) lightning.
Franklin touched the key.
Franklin couldn’t have touched the key.
＋
=
What makes this experiment not scientific
What the text says
What we know
An inference
Reading Tip: Make an inference to discover untold information.
Read and Infer
Why was Newton's story been
mentioned
Some even question accepted ideas because they want to establish the facts. Some have even questioned the story about the apple that fell on Newton’s head and led him to come up with his theory of gravity. In fact, more than one account suggests that while Newton was certainly inspired by a falling apple, there is no proof that it hit him on the head.
Careful-reading
1.What is the text mainly about
A. The story of Franklin's experiment is true or not.
B. The aim of Franklin's experiment.
C. The procedure of Franklin's experiment.
D. The effect of Franklin's experiment.
2.What does the author think has more inspired people
A. The story of scientists' experiments.
B.The result of scientists' experiments.
C. The scientists' spirit of scientific exploration.
D. The fact of scientific exploration.
A
C
D
C
3. What is the effect of the experiment
A. It has introduced generations of children to science.
B. It proved that lightning is a form of electricity.
C. It is important to establish the truth.
D. All of the above.
4. Why do scientists question accepted ideas
A.To find what took place.
B. To prove what is true.
C.To establish the facts.
D. To inspire people to do scientific exploration.
Franklin's spirit of scientific exploration is still
considered an inspiration.
People are amazed at and inspired by Franklin's experiment.
Scientists question what really happened in Franklin's experiment.
Number the statements to show how people's attitudes towards Franklin's experiment have changed.
2
1
3
P44 3
Post-reading
Introduce the theme of the passage
Explain the theme in detail
Transition to another viewpoint to further explain the theme
Sum up
Structure(结构)
Do you think it matters that Franklin's experiment might not be true Why
Think and share
→No. Although it might not be
true, we are still inspired by his
spirit of scientific exploration.
→ Yes. In science, facts should be more important than fiction.
Developing ideas
FRANKLIN’S EXPERIMENT:
How Much Is True
Lead-in
Who is he
Benjamin Franklin
Read the short introduction to Benjamin Franklin
Benjamin Franklin (1706–1790) was one of the Founding Fathers of the United States and helped draft the Declaration of Independence and the US Constitution. Apart from being a successful statesman, he was also well known as a leading American author, printer and publisher, successful diplomat, creative scientist and inventor.
Pre-reading
What’s the function of an essay title
直截了当的
含蓄的
While-reading
Make a fast reading and then match the main ideas to each paragraph.
Match the main ideas with the paragraphs.
Paragraph 1 A. Questioning accepted ideas.
Paragraph 2 B. Benefits of the stories about exploring science.
Paragraph 3 C. Benjamin Franklin’s famous experiment.
Paragraph 4 D. Facts should be proved by experiments and research.
Paragraph 5 E. Introduction of the theme of the text.
Paragraph 6 F. Not everything about the experiment is true.
Make a careful reading and finish the table.
To test if lightning was really produced by electricity.
A kite, a string and a metal key.
First, Franklin flew a kite with a string and a metal key was attached to it.
Then, when a flash of lightning hit the kite, electricity was conducted through the string to the key.
Finally, touching the key, Franklin got an electric shock.
Lightning was a form of electricity.
The kite experiment
lightning flash:
household current:
Life Tip：
300 million Volts
(3亿伏特)
120 Volts
Did Benjamin Franklin touch the key
How do you know it
Although it has been proved that Franklin’s experiment took place, more than one scientist has questioned what really happened. If Franklin had actually touched the key, he would certainly have died from the electric shock.
Humans can’t withstand(经受住) lightning.
Franklin touched the key.
Franklin couldn’t have touched the key.
＋
=
What makes this experiment not scientific
What the text says
What we know
An inference
Reading Tip: Make an inference to discover untold information.
Read and Infer
Why was Newton's story been
mentioned
Some even question accepted ideas because they want to establish the facts. Some have even questioned the story about the apple that fell on Newton’s head and led him to come up with his theory of gravity. In fact, more than one account suggests that while Newton was certainly inspired by a falling apple, there is no proof that it hit him on the head.
Careful-reading
1.What is the text mainly about
A. The story of Franklin's experiment is true or not.
B. The aim of Franklin's experiment.
C. The procedure of Franklin's experiment.
D. The effect of Franklin's experiment.
2.What does the author think has more inspired people
A. The story of scientists' experiments.
B.The result of scientists' experiments.
C. The scientists' spirit of scientific exploration.
D. The fact of scientific exploration.
A
C
D
C
3. What is the effect of the experiment
A. It has introduced generations of children to science.
B. It proved that lightning is a form of electricity.
C. It is important to establish the truth.
D. All of the above.
4. Why do scientists question accepted ideas
A.To find what took place.
B. To prove what is true.
C.To establish the facts.
D. To inspire people to do scientific exploration.
Franklin's spirit of scientific exploration is still
considered an inspiration.
People are amazed at and inspired by Franklin's experiment.
Scientists question what really happened in Franklin's experiment.
Number the statements to show how people's attitudes towards Franklin's experiment have changed.
2
1
3
P44 3
Post-reading
Introduce the theme of the passage
Explain the theme in detail
Transition to another viewpoint to further explain the theme
Sum up
Structure(结构)
Do you think it matters that Franklin's experiment might not be true Why
Think and share
→No. Although it might not be
true, we are still inspired by his
spirit of scientific exploration.
→ Yes. In science, facts should be more important than fiction.