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The world of science
Book 3 Unit 3
Who is he
Benjamin Franklin
What did he do
He helped draft the Declaration of Independence and the US Constitution.
PART.02
Benjamin Franklin
1) Founding Fathers of the US Declaration of Independence;
2) a leading author, printer, publisher, diplomat, scientist and inventor.
He is undoubtedly important to Americans.
What made him famous
Read Learning to learn and answer the questions.
What is the feature of an essay title
What do you usually know from an essay title
How do you describe this picture
What is the weather like
What is the taller man doing
What are the objects circled
PART.02
According to the title, what do you think this passage is mainly about
According to the title, do you think Franklin’s experiment is true or not
Read the title and discuss the questions.
How
Much
Is
True
PART.02
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.
1. What did Franklin’s experiment aim to prove
It aimed to prove that lightning was a form of electricity.
2. Number the statements .
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.
3
1
2
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
How
Much
Is
True
PART.02
What is the second paragraph mainly about
A．Franklin's opinion about science.
B．The purpose and process of Franklin's experiment.
C．People's different opinions on lightning.
D．The role of the metal key.
Franklin’s Experiment When
Purpose
Things need
Result
Read paragraph 2 carefully and fill in the form.
in 1752
if lightning was produced by electricity
a kite, a metal key, a piece of string, a flash of lightning
lightning was a form of electricity
b. Franklin raised the kite.
a. A flash of lightning hit the kite.
c. Electricity was conducted through the string.
e. Franklin touched the key
d. Franklin got an electric shock.
Rearrange the procedures.
a
b
c
d
e
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
How
Much
Is
True
PART.02
What’s people’s attitude towards Franklin’s experiment in para. 3
A．Doubtful.
B．Believable.
C．Indifferent.
D．Negative.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
How
Much
Is
True
PART.02
According to para. 4, which statement is true
A．Scientists think actually Franklin didn’t touch the key at all.
B．Franklin died from the experiment.
C．All the scientists believe the story of the experiment.
D．Only one scientist has some doubt about the story.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
How
Much
Is
True
PART.02
Why do scientists often question accepted ideas
A．Because the think they are cleverer than others.
B．Because accepted ideas are often wrong.
C．Because they only believe in themselves.
D．Because they only want to establish the facts.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Read the passage and match the main ideas with the paragraphs.
A. The effect of the experiment
B. The introduction to Franklin's famous experiment
C. Conclusion
D. Doubt about Franklin’s experiment
E. How the experiment is carried out
F. Doubt about other accepted ideas
How
Much
Is
True
PART.02
What’s the purpose of the passage
A．Tell us a funny story.
B．Tell us a story of a great scientist.
C．Tell us that we shouldn’t always belive everything we read or hear.
D．Tell us lightning is really produced by electricity.
In this passage, what did Franklin’s experiment bring to schoolchildren
para 1：The experiment has introduced generations of
children to science.
para 3：More than one generation of schoolchildren has been
amazed by his bravery and his scientific approach to
looking for the truth.
para 5：People have been inspired by Franklin’s spirit of
scientific exploration.
true: Franklin’s experiment did take place. The detail about the string and the key is true.
untrue: What really happened is questioned. Maybe Franklin didn’t touch the key because he would centainly have died from the electric shock.
What may be true and untrue in Franklin’s experiment respectively(各自、分別地) Why
To prove if lightning was really produced by electricity or something else, Franklin did an experiment by using a kite with a piece of string 1.______ (tie) to it. A metal key was attached to the string. A flash of lightning hit the kite, and electricity was conducted through the string to the key. When Franklin touched the key with his finger, he got an electric shock, 2._______ proved that lightning was a form of electricity.
根據(jù)課文內(nèi)容，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。
tied
which
For many years, the story of Franklin's lightning experiment 3._________________ (teach) to children to inspire them to look for the truth through 4.________ (science) experiments. However, neither the story nor the details of the experiment are 5._________ (entire) true, because if Franklin had actually touched the key, he would certainly have died 6._________ the electric shock.
has been taught
scientific
entirely
from
根據(jù)課文內(nèi)容，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。
Scientists often question accepted ideas because they want 7.__________(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, because there is no 8._______ (prove) that the falling apple hit him on 9.________ head.
In science, facts should be proved by experiments and research, and we should not always believe everything we read or hear - even if it 10. _____ (be) a great story.
to establish
proof
the
is
根據(jù)課文內(nèi)容，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。
PART.02
Think & share
1. Do you think it matters that Franklin’s experiment might not be true Why
It depends. Although the experiment is not true, it amazed us by Franklin’s bravery, his scientific approach to looking for the truth and his spirit of scientific exploration .
However, for the development of science, experiments must be based on facts.
2.What is your opinion about the statement
“...we should not always believe everything we read or hear—even if it is a great story”
Think & share
Firstly, scientific discoveries promote the development of our society.
Secondly, the contributions of scientists in medicine extend our life span.
Thirdly, scientists have invented a lot of surprising tools that fundamentally improve our living standards.
3.What qualities do you think a great scientist should have
observant
brave
objective
persistent
curious
devoted
imaginative
...
Think & share
Question is the key to any science.
Brainstorm:
Is there anything unscientific in the experiment
lightning flash:
300 million Volts
household current:
120 Volts
Life Tip：
THANKS

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