高中英語必修三Unit3Franklin`sexperimentHowmuchistrue課件

1、FRANKLINS EXPERIMENT: How Much Is True?Developing ideasFRANKLINS EXPERIMENT: DevelopKnow about Benjamin Franklin.Benjamin Franklin(1706-1790)was one of the Founding Fathers of the United States and helped draft the Declaration of Independence. Apart from being a successful statesman, he was also wel

2、l known as a leading American author, printer and publisher, successful diplomat, creative scientist and inventor.美國的開國元?jiǎng)字徽渭易骷矣∷⑸坛霭嫔贪l(fā)明家外交官科學(xué)家Know about Benjamin Franklin.B Number the statements to show how peoples attitudes towards Franklins experiment have changed. Franklins spirit of scientific

3、exploration is still considered an inspiration. People are amazed at and inspired by Franklins experiment. Scientists question what really happened in Franklins experiment. An essay title often contains an explicit or implicit question which your essay should focus on answering. For example, thetitl

4、e “Franklins Experiment Read the passage and find out what Franklins experiment aimed to prove.ent: How Much Is True?” makes it clear what question is being answered within the essay.Learning to learn Number the statements to sh It proved if lightening was really produced by electricity or something

5、 else.Read the passage and find out what Franklins experiment aimed to prove. It proved if lightenRaise a questionIs Benjamin Franklins famous experiment with lightning a fiction or a fact?What s the aim of the experiment?To prove that lightning was a form of electricity.What about the experiment?Fr

6、anklin raised a kite with a piece of string tied 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. Franklin then touched the key with his finger and got an electric shock.Raise a questionIs Benjamin FrContr

7、ibutions:1 For many year, more than one generation of schoolchildren has been amazed by Franklins bravery and his scientific approach to looking for the truth.2 Franklin ,along with many other scientists , has inspired us and taught us that scientific experiments are important in order to establish

8、the truth and to contribute towards later scientific discoveries and inventions.Contributions:1 For many year,Neither the story nor the details of the experiment are entirely true.Analyse the question Although it has been proved that Franklins experiment took place, the detail about the string and t

9、he key is true, scientists all agree that if Franklin had actually touched the key, he would certainly have died from the electric shock.Neither the story nor the detaBecause they want to establish the fact. Why do scientists often question accepted ideas? More than one account suggests that while N

10、ewton was certainly inspired by a falling apple, there is no proof that it hit him on the head.Because they want to establishThe solution Admittedly, fiction is often more interesting than the truth, in science, facts should be proved by experiments and research , and we should not always believe ev

11、erything we read or hear.The solution Admittedly, fFrom the passage we can learn. Some parts of the stories are true, and some are not, because they dont follow the common sense. However, the scientists spirit of scientific exploration is what mostly matters.From the passage we can learn.Think & Sha

12、re1. Do you think it matters that Franklins 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”?Think & Share1. Do you think 3 What qualities do you think a great scientist should have?

13、As a great scientist, he or she should have more than one good quality, such as being smart, honest, objective,persistent ,curious, imaginative, devoted and so on. 3 What qualities do you think 4. In what ways do scientists contribute to society? First , scientific discoveries promote the developmen

14、t 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.4. In what ways do scientists 1 Franklin did the experiment with lighting in order to _.A have fu

15、nB prove that lighting is a form of electricityC fly a kiteD to prove that he was brave2 Whats peoples attitude towards Franklins experiment?A Doubtful. B Believable. C Indifferent. D Negative.3 Why do scientists often question accepted ideas?A Because they think they are cleverer than others.B Beca

16、use accepted ideas are often wrong.C Because they only believe in themselves.D Because they want to establish the facts. Reading comprehension1 Franklin did the experiment 4 According to the text, which statement is true?A Actually Franklin didnt touch the key at all.B Franklin died from the experim

17、ent.C All the scientists believed the story of the experiment.D Only one scientist had some doubt about the story.5 Whats 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 shouldnt always believe everything we read or hear.D Tell us lighting

18、is really produced by electricity.4 According to the text, which6 Whats the authors attitude towards the story of Franklins experiment?A. Doubtful. B. Curious.C. Objective.(客觀的） D. Not mentioned.6 Whats the authors attitude There is a well-known story about Benjamin Franklin 1_ has introduced genera

19、tions of children to science. 2_ new research suggests that the story may be fiction instead of fact. 3_(prove) if lighting was produced by electricity, Franklin raised a kite with a piece of string 4_(tie) to it . A metal key 5_(attach) to it . When a flash of lighting hit the kite, Franklin then t

20、ouched the key and got 6_ electric shock. This proved that lighting was a form of electricity. For many years, 7_(generation) of schoolchildren have been amazed by Franklins bravery and scientific approach 8_ looking for the truth. However, more than one scientist has questioned 9_ really happened.

21、They all agree that if Franklin had actually touched the key, he would 10_(certain) have died from the electric shock. So we shouldnt always believe everything we read or hear- even if it is a great story. which However To prove tied was attached an generations to what certainly 直擊高考 There is a well

22、-known st Write an essay about your understanding of the saying“Seeing is believing ”. （ 80 words)Useful expressions: Firstly, Secondly, Thirdly, In my opinion/ From my perspective The reason why is that In a word, / In short, / To sum up, Useful expressions:Writing an experiment reportWriting an ex

23、periment reportWhat do you think the results of thisexperiment will be?2. What can you learn from thisexperiment?The egg will squeeze into the bottle.The experiment shows us the effects of air pressure. Air pressure indeed exists, and it is very powerful.Read the instructions for the experiment and

24、answer the questions.What do you think the results Complete the boxes with the information in Activity 5. Do further research if necessary.Complete the boxes with the inWrite a report of the experiment. The experiment is designed to prove whether air pressure really exists. At the beginning of the experiment, I prepared the materials, including a boiled eggs, a glass bottle whose neck is a bit smaller than th