高中英语必修二阅读，great scientists 导学案 - 图文

2017-2018 学年 一 学期 高二 年级 英语 科导学案及教学流程 编号 授课教师 何方 使用时间 2017/10 班级 《 unit 1 Great scientists 》导学案 Period 1 : warming up and reading Learning aims: 1. Knowledge aim: knowing stages in scientific research by discussing in the pre-reading part. 2. Ability aim: being able to retell how John Snow defeated cholera after the scanning activity. 3. Emotional aim: by learning and being affected by the good qualities that all the great scientists have, students are willing to try their best to be successful in the future no matter what field they work in. plants. He examined seven kinds of seed and plant characteristics and developed some laws of inheritance. Marie curie(1867-1934) 【学习策略】 课前自主阅读并了解每个She was born in Poland, moved to Paris and studied chemistry and physics there. She married Pierre Curie and together they studied radioactive（辐射的） materials and discovered radium. In 1911 she received the Nobel Prize in Chemistry. Her death in 1934 was almost certainly due to radiation in her work. Charlie Darwin(1808-1882) Britain naturalist. The Origin of Species was published in1859. It explained how plants and animals had changed over time to fit in with a changing environment. His book showed that people had developed from apes. Archimedes(287-212BC) Ancient Greek. He was a mathematician. He found that if you put an object into water, the water pushes the object up. It rises and partly floats. Thomas Edison(1847-1931) Learning important points: improving Skimming and Scanning abilities. Learning difficult points: retelling the passage according to the hint. 【课前自主学习】 Before-class self-preview Topic reading: to know the main achievements of each scientist. Thomas Newcomen (1663-1929) He was already an inventor of other electrical devices (phonograph（留 声机）, electric light bulb). When in 1882 he designed a system for providing New York with electricity from a central power station. This was a tremendous achievement, which had previously been thought impossible. 1

Zhang Heng(78-139) Chinese. He invented the first seismograph（地震仪） to indicate in the direction of an earthquake. It was in the shape of a cylinder（圆柱） with eight dragon heads round the top, each with a ball in its mouth. Around the bottom were eight frogs directly under a dragon’s head. When an earthquake occurred, a ball fell out of the dragon’s mouth, making a noise. British, improved the first steam pump and turned it into a steam engine 科学家的主要for taking water out of mines in 1712. 成就 Gregor Mendel(1662-1884) The father of genetics（遗传学）. He grew pea plants and developed ideas on inherited characteristics. Between 1856-1863, he grew 28,000 pea

2017-2018 学年 一 学期 高二 年级 英语 科导学案及教学流程 编号 授课教师 何方 使用时间 2017/10 班级 Stephen Hawking(1942-) British. He has worked in astronomy and studied black holes in space. He was shown that black holes do not only absorb everything around them, but from time to time, throw out matter as well. This may mark the beginning of new galaxies. This is an advance on the old theory which said that black holes “eat” everything they come across. Sir Humphry Davy(1778-1829) British, he did research into different gases and discovered the medical 【课堂合作探究】In-class study and exploration Learning process: Step Ⅰ pre-reading Activity 1. Lead-in(2min) Do the quiz Activity 2.Warming-up(3min) Discuss in groups to decide the correct order of the stages in a scientific research. A. Draw a conclusion B. Think of a method C. Collect information D. Make up a question E. Find a problem F. Analyze the information G. Find more supporting evidence if necessary 1.（ ）2.（ ）3.（ ）4.（ ）5.（ ）6.（ ）7.（ ） 【学习策略】 抢答问题，检测课前阅读情况 【学习策略】 小组讨论，学生代表展示 value of nitrous oxide as an anaesthetic（麻醉药）. In 1815, he developed a safety lamp for miners. Leonardo da Vinci(1452-1519) He was a famous Italian artist whose skill for showing human skin tones made his paintings seem to come alive. He used to study dead people in order to make his paintings as accurate as possible. One of his famous paintings includes “the last supper” John Snow(1813-1858) Step II While-reading He was an English physician and a leader in the adoption of anaesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology（传染病学）, in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854. His findings inspired fundamental changes in the water and waste systems of London, which led to similar changes in other cities, and a significant improvement in general public health around the world. Cholera(霍乱) Cholera is the illness caused by a bacterium（细菌） called vibria cholera. It infects people’s intestines（肠）causing diarrhea（腹泻）and vomiting(呕吐).

Activity 1. Skimming(5min) （1）What’s the main idea of the passage? 【学习策略】 A. John Snow was a well-known doctor in London. 自主学习，小B. The cause of Cholera was polluted water. 组讨论，学生C. The source of all drinking water should be examined. D. How John Snow collected, analyzed data and found the cause of the 代表展示 disease and solved it. （2） Match each paragraph with its main idea. Para1 a.Two possible theories Para2 b.Look for evidence Para3 c.Analyse the source of the water Para4 d.Mark information on a map to find out the cause Para5 e.King Cholera was defeated 2

2017-2018 学年 一 学期 高二 年级 英语 科导学案及教学流程 编号 授课教师 何方 使用时间 2017/10 班级 Para6 f.Find other supporting evidences Para7 g.Deadly disease: cholera. No cause or cure were found Activity 2.Scanning(8min) Answer the following questions. Para1 Find a problem John Snow was an doctor in London who Queen Victoria as her personal . He thought about helping ordinary people to cholera, which was the ______ disease of its day. Though the cause and the of it were unknown, he wanted to face the and solve the problem. Para2 Make up a question Theory 1 Cholera _________ in the air Theory 2 People ________ it with their meals Para3 Think of a method When cholera broke out in 1854, what did John Snow do? He was ready to ______________ and was determined ___________ . Para4 Collect a result John Snow finally proved the theory he believed by ( ). A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. separating those who suffered cholera from those who didn’t D. both A and B E. both A and C Para 5 Analyze the result

【学习策略】 自主学习， 小组讨论，学生代表展示 1. John Snow looked into the source of the water, where was it from? 2. What happened after the handle was removed? Para 6 Find supporting evidence What’s the extra evidence? A woman and her daughter who had __________ from Broad Street also died of cholera after__________________. Para7 Measures What are John Snow’s suggestions? (1) The _________ of all water supplies should be ________ . (2) The water companies were also __________ not to ________ people ______ polluted water anymore. 【学习策略】 自主复述课文并展示，如有同学对其不满意，可以发出挑战 3

Step Ⅲ Post-reading Activity 1. Retelling (10min) 1. What is the problem? Cholera was.... John Snow wanted to... 2. Two theories. One believed... and the other... 3. What did he do when cholera broke out in1854? He began... and was determined to… 4. How did he collect information? What did he find? He marked… and found…deaths…no death 5. What did he find after looking into the source? The water was from … 6. What is the extra evidence? A woman and her daughter... 7. What conclusion did he draw? The water... 2017-2018 学年 一 学期 高二 年级 英语 科导学案及教学流程 编号 授课教师 何方 使用时间 2017/10 班级 Activity 2. Free talk (5min) In your opinion, what qualities do scientists have in common? 【学习策略】 自由发言 Step 4Ⅳ:Homework： Surf the internet to find out: What should we pay attention to in our daily life to prevent ourselves from getting infected with all these infectious diseases? 【课后自主反思】 After class reflection ______________________________________________________________

4