内容正文:
新外研版高中英语必修三 Book 3 Unit 3
Developing ideas学案
While-reading
Task 1: Read the passage and find out what Franklin's experiment aimed to prove. (P42 2)
Task 2: Read the passage and match the main ideas with the paragraphs.
Para. 1
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. 2
Para. 3
Para. 4
Para. 5
Para. 6
Task 3: Fill in the experiment report.
Retell Franklin’s experiment according to the picture.
Task 4: Number the statements to show how people's attitudes towards Franklin's experiment have changed. (P44 3)
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.
Task 5: Answer the questions.
1. What's the meaning of “…if Franklin had actually touched the key, he would certainly have died from the electric shock.”
2. How much is true about the story of this experiment?
3. What is the purpose of the story of Newton?
Task 6: Think and share. (P45)
1. Do you think it matters that Franklin's experiment might not be true? Why?
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”?
After reading
Retell the passage with the help of graphic organizer.
Discussion:
Think and Share (P45)
1. What qualities do you think a great scientist should have?
2. In what ways do scientists contribute to society?
Quiz:
Ⅰ.根据首字母提示写出单词的正确形式。
1. Could you turn the TV down a little? Your dad is d_________ a report in his study.
2. Many e__________ will have to be done before scientists can give a clear answer to this question.
3. Our uncle, Robert, gave us a detailed a_________ of what he had done in China over dinner.
4. Unlike plastics, most of the metals can c________ heat or electricity.
5. All the researchers need to be patient, for the entire p_________ can take three to five years to complete.
Ⅱ. 根据课文内容,在空白处填入1个适当的单词或括号内单词的正确形式。
Benjamin Franklin's famous experiment with lightning has introduced generations of children to science. However, new research suggests that the story may be fiction instead of fact.
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. 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.
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.
学科网(北京)股份有限公司
$$