资源简介

(共5张PPT)
Useful expressions （p42）
建国元勋
起草独立宣言
除了
把一代代孩子带进科学殿堂
虚构
__________ fathers
____ the Declaration of Independence
apart from
__________ generations of children to science
fiction
founding
draft
introduce
para2
He _______ (举起) the kite with a piece of string ____ (tie) ____ it.
A metal key _____ ________ _____ (把……固定在……) the string.
A flash of lightning一道闪电 hit the kite, and electricity was _________ (传导) ________ the string ___ the key. Get an electric shock触电More than one generation of schoolchildren ________________ (amaze) by his ________ (brave) and his scientific __________ (途径) _____ _________ (look) for the truth.
Franklin, _______ _______ many other scientists, ___________ (inspire) us and taught us that scientific experiments are important in order to __________________ (建立真相) and to contribute towards 对……做出贡献later scientific discoveries and inventions.
raised
tied
to
attached
to
conducted
through
to
has been amazed
bravery
approach
to
looking
along with与……一起
has inspired
establish the truth
was
However, _______ the story ______ the details of the experiment _____ entirely true.
More than one scientist _____________ (question) ______ really happened.
But scientists all agree that ____ Franklin ____________________ (touch) the key, he ______________________ (die) from the electric shock.
would certainly have died
neither
nor
are
has questioned
what
if
had actually touched
主谓一致
More than one generation of schoolchildren ________________ (amaze) by his bravery.
More than one scientist ______________ (question) what really happened.
More than one account _________ (suggest) that …
Franklin, along with many other scientists, ___________ (inspired) us.
However, neither the story nor the details of the experiment _____ entirely true.
has been amazed
has questioned
suggests
has inspired
are
引导……做……
死于
想出，提出
万有引力理论
描述
没有任何证据
诚然，……
被……证明
lead sb. to do sth.
die from
come up with
the theory of gravity
account
there is no proof that …
admittedly, … （造句）
be proved by(共25张PPT)
The world of science - developing ideas
Book 3 Unit 3
He is undounbtedly important to Americans.
WHO
①What did he do
②He was a successful statesman, _______________________________________________________________________________________________________________________________________________.
He helped draft the Declaration of Independence and the US Constitution宪法.
one of the Founding Fathers of the United States, a leading American author, printer, publisher, successful diplomat, creative scientist and inventor.
Read the title and predict what will the passage talk about
Maybe the passage will answer a question—How much is Franklin’s experiment true.
PART.02
FRANKLIN’S
EXPERIMENT:
How Much Is True
How do you describe this picture
What is the weather like
What is the taller man doing
What are the objects circled
There is lightning in the sky.
The taller man is flying a kite with a piece of string tied to it.
A metal key is attached to the string.
describe the picture
Activity 3：Number the statements . p44
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.
PART.02
Begin
Then
Final
People are amazed at and inspired by Franklin’s experiment.
Scientists question what really happened in Franklin’s experiment.
Franklin’s spirit of scientific exploration is still considered an inspiration.
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.
Aim
Materials
Result
Procedures
Read and Fill

Experiment Report
To know if lightning was really produced by electricity or something else.
a kite, a string, a key
Lightning was a form of electricity.
Fast-reading
a. A flash of lightning hit the kite.
b. Franklin raised the kite.
c. Electricity was conducted through the string.
d. Franklin got an electric shock.
e. Franklin touched the key
Rearrange the procedures.
a
b
c
d
e
How
Much
Is
True
PART.02
What’s people’s attitude towards Franklin’s experiment （para3）
A．Doubtful.
B．Believable.
C．Indifferent.
D．Negative.
How
Much
Is
True
PART.02
According to the text, which statement is true Para4
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.
lightning flash:
300 million Volts
household current:
120 Volts
Life Tip：
However, neither the story nor the details of the experiment are entirely true, Although it has been proved that Franklin’s experiment took place, more than one scientist has questioned what really happened. The details about the string and the key is true. But scientists all agree that if Franklin had actually touched the key, he would certainly have died from the electric shock.
What if Franklin had touched the key
Read and Imagine
Why does the author mention the story about the apple falling on Newton’s head in the text （para5）
The author gives another example to support the argument—stories behind inventions may not be true.
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.
Think Share
1. Do you think it matters that Franklin’s experiment might not be true Why
2.What is your opinion about the statement陈述”...we should not always believe everything we read or hear—even if it is a great story”
3.What qualities do you think a great scientist should have
4.In what ways do scientists contribute to society
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陈述”...we should not always believe everything we read or hear—even if it is a great story”
We shouldn't believe everything we hear or read, even if it's exciting, because not all information is true. We should always check and confirm before accepting something as fact.（ Critical thinking.）
3.What qualities do you think a great scientist should have
observant
brave
objective
persistent
curious
devoted
imaginative
...
Think & share
4. In what ways do scientists contribute to society
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.
THANKS

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