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Unit 3 Developing ideas
Franklin’s Experiment:
How Much Is It True （弗兰克林的实验：有多少是真的？）
(Reading)
教学目标:
1.Acquire the facts of Benjamin’s experiment
2. Distinguish the true and false information of the experiment
3. Think critically about what we have read and heard
4. Have a better understanding of scientific spirits
课前预习案
Ⅰ.Words and expressions in the passage
1. experiment
2.apart from
successful
4.draft
5.creative
6.independence
7.fiction
8.instead of
9.electricity
10.raise
11.attach
12.conduct
13.flash
14.scientific
15.approach
16.along with
17.establish
18.contribute to
19.neither ...nor
20.entirely
21.question
22.electric shock
e up with
24.gravity
25.account
26.in fact
27.admittedly
28.even if
课中探究案
Step 1 .Lead-in
Activity1.Guess Time !
1.He is one of the Founding Fathers of the United States.
2.He helped draft the Declaration of Independence and the US Constitution.
3.He is on the $100 Bill.
4.He was a leading American writer, printer and publisher, successful diplomat(外交官), creative scientist and inventor.
5.He helped America become a new country.
Can you guess who he is
He is
Step2.Pre-reading
Activity 2 Think and predict
Q:What will be mentioned in the passage(experiment)
Step 3.While-reading
Activity 3
Task1.Read for general ideas
1. the author’s view on the story of the experiment.
2. the genre of the passage.
Task2.The structure of the passage(main idea of each paragraph)
Para 1:
Para 2:
Para 3:
Para 4:
Para 5:
Para 6:
Task3.The procedure(过程） of the experiment
1.____ _ a string to a kite
2._____ a metal key to a string
3.___ __ the kite during the rainstorm
4.___ __ the key with the finger
Result:
Conclusion:
Q1.Why was Benjamin’s experiment not entirely true
Q2.Why do scientists question accepted ideas
Task4.Read and number（排序）P44.3
Number the statements to show how people’s attitudes towards Franklin’s experiment have changed.
( ) 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.
Activity 4.Read for details
Q1.What is the author’s attitude towards such fictional stories Why
A. Negative B. Positive
C. Neutral D. Not mentioned
Q2.What is the author’s conclusion from the story
Step 3.Post-reading
Activity 5 Think and share
Task1: What scientific spirits do you think a great scientist should have？
Task2: Work in groups.
Explain your understanding of the saying”Seeing is believing”,and then give a talk about it.
Step4.Homework
Option1.Retell the experiment using your own words.
Option2.Finish the exercise in your learning guidance(导学案）.
课后探究案(高考链接--语法填空)
FRANKLIN’S EXPERIMENT: How Much Is True
弗兰克林的实验：有多少是真的？
Benjamin Franklin’s famous experiment with lightning has introduced generations of children to science. , new research suggests that the story may be fiction instead of fact.
The well-known story is that the American Founding Father and scientist (fly) a kite during a storm in 1752. At that time, there was much interest in electricity. People wanted (know) if lightning was really (produce) by electricity or something else. Franklin was one of them. He (raise) the kite with a piece of string tied to it. A metal key was (attach) to the string. A flash of lightning hit the kite, and electricity was conducted through the string to the key. Franklin then touched the key with his finger and got an electric shock. This, he said, proved that lightning was a form of electricity.
For many years, schools have taught the story of Franklin’s lightning experiment. More than one generation of schoolchildren has been amazed by his bravery and his (science)approach to ( look) for the truth. Franklin, along with many other scientists, has inspired us and taught us that scientific experiments are important in order to establish the truth and to contribute towards later scientific discoveries and inventions.
However, neither the story the details of the experiment are (entire)true. Although it has been proved that Franklin’s experiment took place, more than one scientist has questioned what really happened. The detail about the string and the key is true. But scientists all agree that Franklin had actually touched the key, he would certainly have died from the electric shock.
Scientists often 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 his theory of gravity. 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.
(admitted), fiction is often more interesting than the truth. People have been more inspired by Franklin’s spirit of scientific exploration than by the facts themselves. But in science, facts should be proved by experiments and research, and we should not always believe everything we read or hear—even it is a great story.

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