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1、2022年高中英语 Unit1 Great Scientist教案 新人教版必修5Teaching goals: 1. The students will be able to learn sth about great scientists and their achievements.2. The students will be able to describe John, esp. his work, discoveries and achievements.3. The students will be able to get the main idea and prehend so
2、me long sentences better under the guidance of the teacher.Teaching procedures:Step one Warming upIntroduce some famous scientists and their achievements, and then do the quiz.There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do th
3、ey play in the field of science? Do these achievements have anything in mon? Match the inventions with their inventors below before you answer all these questions. Alexander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin
4、 Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of RelativityStep two Reading1. Pre-reading:1). Pair work : What do you know about infectious diseases?2). Group work: Do you know how to prove a new idea in scientific research? Discuss in small groups the
5、 stages in examining a new scientific idea. What order would you put them in?draw a conclusion think of a method collect results make up a question find a problem analyse the results find supporting evidence repeat if necessary2. While-reading:1).Predicting: Introduce the title of the passageJohn Sn
6、ow Defeats King Cholera.l What does the title imply?l Predict what the text is about after reading the title and the first paragraph.l Guess what kind of person John Snow was by analyzing the key words in the first paragraph.2). Skimming:l Get the students to read the passage fast . Ask them to pay
7、attention to the first sentence in each paragraph and try to find several key words to sum up the main idea of the whole passage.l pare what the students have predicted with the content given by the author.l Read the passage again to get the general idea of each paragraph.Para.1: The causes of chole
8、ra.Para.2: The correct or possible theory. Para.3: Collect data on those where people were ill and died and where they got their water. Para.4: Plot information on a map to find out where people died or did not die. Para.5: Analyse the water to see if that is the cause of the illness. Para.6: Find o
9、ther evidences to confirm his conclusion.Para.7: The polluted dirty source of drinking water was to blame for the cause of the London cholera. 3). Scanning:l Read the passage and try to put the correct stages into the reading about research into a disease.A. draw a conclusion B. think of a method C.
10、 collect results D. make up a question E. find a problem F. analyse the results G. find supporting evidence H. repeat if necessaryKeys: EDBCFGAl Answer some detailed questions about the passage and learn some language points: 1. What do you know about Dr. John Snows being well-known in London?(He at
11、tended Queen Victoria to ease the birth of her babies.).e.g. I may be late I have got one or two things to attend to.Mother had to attend to her sick son . 2. From what disease did Londoners suffer in his age?(They exposed themselves to cholera.).e.g. The wolf opened its mouth to expose a row of sha
12、rp teeth.Dont expose your skin to the sun; your skin will be hurt.People in many provinces of China exposed themselves to the SARS in 2003. 3. Did people know how to cure the disease?e.g Aspirin is said to be a wonderful cure for the pain.Although the boy was beyond cure, his parents tried to cure h
13、im of bad habits.4. When did Dr. Snow think the disease would be controlled?(He knew he would never be controlled until its cause was found.)e.g. The Ministry of Health has set up a program to control the spread of AIDSThe buttons control the temperature in the building 5. What was the second theory
14、 explaining how the disease killed people?(People absorbed this disease into their bodies with their meals.)be absorbed in = concentrate oneg. He is absorbed in the research of Chinese history recently. absorb ones attentioneg. Chinese history absorbs his attention recently.5. How serious was the di
15、sease outbreak in London?(The cholera outbreak was so severe that more than 500 people had died in 10 days.)e.g. He has such a severe illness that he has been in hospital. I was caught in a severe storm last night and couldnt go back home in time.7. Did the map which Dr. Snow draw help find the cause of the disease?(The map gave a valuable clue about the cause of the disease.)e.g. - What is the value of this 18k white gold diamond necklace?- It cost me $2,000 (=It
