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1、Unit 20 Lesson 3Scientific Breakthroughs1高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Some discoveries or inventions in the 20th century:2高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Means of transport:3高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Wright Brothers4
2、高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7The change in communication:5高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修76高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Neil Alden Armstrong was the first person to set foot on the Moon.This is my personal one small ste
3、p, it was a great step of mankind.7高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7The first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957.8高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修79高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7His grea
4、test discovery is the creation of his famous Theory of Relativity. Albert EinsteinAlbert Einstein was considered the greatest scientist of the 20th century. 10高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Edwin Hubble was an American astronomer. His most important discovery was the expand
5、ing universe. Edwin Hubble11高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Hubble space telescope12高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Alexander Fleming, a Scottish biochemist,discovered Penicillin.Alexander Fleming13高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师
6、大版选修7The designer of ENIAC, the first commercial computer made in the United States.John William Mauchly and J. Presper Eckert14高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7The World First Computer15高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Percy Spencer, an American engin
7、eer and inventor, discovered microwaves.Percy Spencer16高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修71.The equation E=mc22.Penicillin3.The first computer4.Other galaxies5. MicrowaveTry to match the discoveries with how they were discovered?a)Scientists worked together as a teamb)There was
8、 a lucky accidentc)A scientist did research for many yearsd)A scientist was inspirede) There was a mistake17高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修71.Einstein was at work when he thought of the equation “E=mc2”.2.Einstein participated in the program that developed the nuclear bomb.3
9、.Einstein observed changes in time, size and mass.4.Hubble studied the universe for over twenty years.5.Hubble discovered that our galaxy is bigger than we thought it was.Are these statement true or false according to the text or is there no information?18高中英语高中英语Unit20Lesson3ScientificBreakthroughs
10、北师大版选修北师大版选修76. Fleming had been studying bacteria in his laboratory when the discovery happened.7. There was a blue mould around the bacteria in the dish.8. Fleming developed the process of making penicillin. 9. The first computer project failed to meet its original goal. 10. The first computer was
11、 extremely difficult to program. 11. The scientist who discovered microwaves invented microwave ovens. 12. Today it is possible to donate your heart to hospital when you die.19高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修71.Einstein was at work when he thought of the equation “E=mc2”.2.Ei
12、nstein participated in the program that developed the nuclear bomb.3.Einstein observed changes in time, size and mass.4.Hubble studied the universe for over twenty years.5.Hubble discovered that our galaxy is bigger than we thought it was.FTTAre these statement true or false according to the text or
13、 is there no information?NINI20高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修76. Fleming had been studying bacteria in his laboratory when the discovery happened.7. There was a blue mould around the bacteria in the dish.8. Fleming developed the process of making penicillin. 9. The first co
14、mputer project failed to meet its original goal. 10. The first computer was extremely difficult to program. 11. The scientist who discovered microwaves invented microwave ovens. 12. Today it is possible to donate your heart to hospital when you die.NITNITNIFF21高中英语高中英语Unit20Lesson3ScientificBreakthr
15、oughs北师大版选修北师大版选修7Reading Task:In the 20th century, many amazing discoveries were made in medicine, communications and transport, let alone our knowledge of 1 .Some pioneersDiscoveries Inventions SignificanceAlbert Einstein 2 .It showed how a small piece of mass could produce an unbelievable amount
16、of 3 .Theory of relativityIt showed time, mass and length 4 . according to our experience of them. Edwin Hubble 5 like the one we live in It proved that the universe was vastly 6 . than had previously been thought. Alexander FlemingPenicillinIt saved 7 .Eckert and MauchlyThe first computerIt was pro
17、duced to increase the 8 of the US Navys missiles.Percy Spencer 9 .It helps us prepare meals in minutes.Without these 10 in science and technology, we would have had a completely different world.22高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Reading Task:In the 20th century, many amazing
18、discoveries were made in medicine, communications and transport, let alone our knowledge of 1. . Some pioneersDiscoveries Inventions SignificanceAlbert Einstein2. .It showed how a small piece of mass could produce an unbelievable amount of 3. .Theory of relativityIt showed time, mass and length 4. a
19、ccording to our experience of them. the world and spaceE=mc2energychange23高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7Reading Task:Edwin Hubble5. like the one we live in It proved that the universe was vastly 6. than had previously been thought.Alexander FlemingPenicillinIt saved 7. .Ec
20、kert and MauchlyThe first computerIt was produced to increase the 8. of the US Navys missiles.Percy Spencer9. .It helps us prepare meals in minutes.Without these 10. in science and technology, we would have had a completely different world.New galaxieslargermillions of livesaccuracyMicrowavesbreakth
21、roughs 24高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7 introductionintroduction Body Body ConclusionConclusionSimple outline A brief introduction of scientific breakthroughs in the 20th centuryPara.9Some great pioneers of science and their inventions or discoveriesThe significance of the
22、se breakthroughs25高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7 Discussion: It is predicted（预言）（预言）that there will be 5 scientific breakthroughs in the 21st century. What do you think will be the 5 scientific breakthroughs and how will they influence our life? Have a discussion and voice
23、 your opinion.26高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修71. Well know where we came from. Why does the universe exist? 2. Well crack the genetic code and conquer cancer. 3. Well live longer (120 years?). 4. Well “manage”Earth. Well stop talking about the weather but will do something
24、 about it. Well gradually learn how to predict the effects of human activity on the Earth, its climate and its ecosystems. 5. Well have a brain“road map”. Well be able to say with certainty which ones are working when you read a word, when you say a word, why you think about a word, and so on. 27高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7 1. Do exercise 5 on page 25.2. Preview Communication Workshop.28高中英语高中英语Unit20Lesson3ScientificBreakthroughs北师大版选修北师大版选修7
