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1、Unit 20 Lesson 3Scientific Breakthroughs2021/8/11 星期三1Some discoveries or inventions in the 20th century:2021/8/11 星期三2Means of transport:2021/8/11 星期三3Wright Brothers2021/8/11 星期三4The change in communication:2021/8/11 星期三52021/8/11 星期三6Neil Alden Armstrong was the first person to set foot on the Mo
2、on.This is my personal one small step,it was a great step of mankind.2021/8/11 星期三7The first artificial satellite,Sputnik 1,was launched by the Soviet Union in 1957.2021/8/11 星期三8ReadingReadingPioneers of Science2021/8/11 星期三9His greatest discovery is the creation of his famous Theory of Relativity.
3、Albert EinsteinAlbert Einstein was considered the greatest scientist of the 20th century.2021/8/11 星期三10Edwin Hubble was an American astronomer.His most important discovery was the expanding universe.Edwin Hubble2021/8/11 星期三11Hubble space telescope2021/8/11 星期三12Alexander Fleming,a Scottish biochem
4、ist,discovered Penicillin.Alexander Fleming2021/8/11 星期三13The designer of ENIAC,the first commercial computer made in the United States.John William Mauchly and J.Presper Eckert2021/8/11 星期三14The World First Computer2021/8/11 星期三15Percy Spencer,an American engineer and inventor,discovered microwaves
5、.Percy Spencer2021/8/11 星期三161.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 a lucky accidentc)A scientist did research for many yearsd)A scientist was inspired
6、e)There was a mistake2021/8/11 星期三171.Einstein was at work when he thought of the equation“E=mc2”.2.Einstein 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
7、galaxy is bigger than we thought it was.Are these statement true or false according to the text or is there no information?2021/8/11 星期三186.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 th
8、e process of making penicillin.9.The first computer 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.2021/8/11 星期
9、三191.Einstein was at work when he thought of the equation“E=mc2”.2.Einstein 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
10、it was.FTTAre these statement true or false according to the text or is there no information?NINI2021/8/11 星期三206.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 penici
11、llin.9.The first computer 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.NITNITNIFF2021/8/11 星期三21Reading Task:
12、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 of 3 .Theory of relativityIt showe
13、d 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 produced to increase the 8 of the US Navys
14、 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.2021/8/11 星期三22Reading Task:In the 20th century,many amazing discoveries were made in medicine,communications and transport,let alone our knowledg
15、e 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.according to our experience of them.the world and spaceE=mc2energychange2021/8/11 星期三23Reading Ta
16、sk: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.Eckert and MauchlyThe first computerIt was produced to increase the 8.of the US Navys missiles.Percy Spencer9.It helps us prepare meals in minutes.
17、Without these 10.in science and technology,we would have had a completely different world.New galaxieslargermillions of livesaccuracyMicrowavesbreakthroughs 2021/8/11 星期三24 introductionintroduction Body Body ConclusionConclusionSimple outline A brief introduction of scientific breakthroughs in the 2
18、0th centuryPara.9Some great pioneers of science and their inventions or discoveriesThe significance of these breakthroughs2021/8/11 星期三25 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 h
19、ow will they influence our life?Have a discussion and voice your opinion.2021/8/11 星期三261.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 somet
20、hing 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.2021/8/11 星期三27 1.Do exercise 5 on page 25.2.Preview Communication Workshop.2021/8/11 星期三28Thanks for listening!2021/8/11 星期三29Thanks for listening!2021/8/11 星期三302021/8/11 星期三31