Lesson3ScientificBreakthroughs.ppt

1、,Teaching Objectives 1. To master proper reading strategies for different tasks and expand knowledge of science and technology 2. To improve practical reading skills and ability, to talk about the topic of scientific and technology 3. To get familiar with scientific breakthroughs in the last century

2、 and to foster interest on area of science and technology,In the 20th century, the world changed completely.,What led to the changes?,Discoveries!,Discussion,Can you tell me what are the scientific discoveries around you?,computer,airplane,Air-conditioning,High-speed rail,refrigerator,camera,phone,L

3、esson 3 Scientific Breakthroughs,Introduction Body Conclusion,Some great pioneers of science and their inventions or discoveries,A brief introduction of scientific breakthroughs in the 20th century,The significance of these breakthroughs,First reading,Get the general idea and read the text fast.,The

4、 purpose of this article is _.,the introduction of Albert Einstein the introduction of the process of scientific breakthrough introduction of the major scientific discoveries in the 20th century the contributions scientists made to the world,First reading,Second Reading,1. Read the text and check yo

5、ur guesses .,Answers: 1)_ 2)_3)_4)_,d,b,a,c,1) E=mc2 2) penicillin 3) the first computer 4) other galaxies,a) scientists worked together as a team b) there was a lucky accident c) a scientist did research for many years d) a scientist was inspired,Match the pioneers with the deeds,2. He proved that

6、the universe is actually expanding, and that further away galaxies are, the faster they move.,1. He was a son of a Scottish shepherd. Although his discovery is important, he remained modest and said “Nature made penicillin.”,A. Elbert Einstein,C. Edwin Hubble,B. Alexander Fleming,D. Eckert and Mauch

7、ly,B,C,A. Elbert Einstein,C. Edwin Hubble,B. Alexander Fleming,D. Eckert and Mauchly,3. He showed in his “theory of relativity” that not even time, mass or length are constant.,4. During the 2nd world war, the US Navy turned to them to produce a machine. They didnt finish until after the war, in Feb

8、ruary 1946.,A. Elbert Einstein,C. Edwin Hubble,B. Alexander Fleming,D. Eckert and Mauchly,A,D,1) From the first paragraph, we know that _. there were not many remarkable discoveries in the 20th century B. there are many great discoveries in the 20th century C. it is easy to choose the most important

9、 discovery in the 20th century D. great discoveries are waiting for us to make,2. Choose the best answers.,Answer: B,2) According to the passage, which of the following about the first computer is NOT true? A. It was huge. B. It was invented by Eckert and Mauchly. C. The machine was finished during

10、the World War II. D. It needed much energy when turned on.,Answer: C,3) Which of the following was NOT planned? A. The first computer. B. Penicillin. C. Edwin Hubbles exploring the galaxies. D. Theory of relativity.,Answer: B,北师大出版社 高二|选修7,4) The article mainly talks about_. A. the introduction of t

11、he Wright Brothers B. the introduction of the process of scientific breakthrough C. Introduction of the major scientific discoveries in the 20th century D. the contributions scientists made to the world,Answer: D,Reading strategy : Get specific information,Albert Einstein,Sudden thought,Change under

12、standing of universe,Edwin Hubble,other galaxies,high-powered telescope,Alexander Fleming,penicillin,by accident,save millions of lives,Eckert & Mauchly,the first computer,hard work,microwave oven,by chance,Prepare meals in minutes,Percy Spencer,proved the universe larger,Are these statements true (T) of false (F) according to the text or is there no information (NI)? Use the strategies to help you.,1. Einstein was at work when he thought of the equation “e=mc2 ” . 2. Einstein participated in the program that developed the nuclear bomb. 3. Hubble studied the universe for over twenty years.