必修五Unit Great Scientists.docx
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1、必修五Unit Great ScientistsUnit 1 Great Scientists(教案) Teaching aims and demands: Topic how to organize scientific research : contributions of scientists. useful words and expressions engine characteristic radium theory scientific examine conclude conclusion analyse repeat defeat attend expose cure con
2、trol absorb severe valuable pump pub blame immediately handle addition link announce instruct virus construction contribute positive strict movement god God backward complete spin enthusiastic cautious reject view steam engine , put forward , draw a conclusion , in addition , linkto , apart from , (
3、be) strict with , lead to , make sense , point of view Functions: Describing people: characteristics and qualities How will I recognize you? You can recognize me because What will you wear? I will wear a What do you look like? What special features do you have? Im tall/short, fat/ thin, young/old Ho
4、w will I know you? I have large/ small, brown/ green / black eyes with Grammar The Past Participle as the Attribute and the Predicative So many thousands of terrified people died.Attribute But he became inspired when hePredicative Teaching procedure: Period 1 Step 1 lead in Ask the Ss to answer the
5、following question: Do you know any scientists? (Ss say some scientists. Such as : Albert Einstein, Isaac Newton, Benjamin Franklin(1706-1790, Qian Xuesen , Liu Zhenxing , Hawking, Mendeleev) Step 2 action 1.Ask the Ss some to introduce some scientists by his / her own word by the next question Can
6、you remember their names and their scientific achievements? 2.Help the Ss to finish the introduction. Step 3. Group work Four Ss in a group and finish the chart in warming up in page 1. Step 4. pre-reading Ask the Ss the following Qs” what do you know about infectious diseases such as cholera ? do y
7、ou know how to prove a new idea in scientific research? (Ask the Ss to guess the correct orders of the steps on page 1.) step 5.read the new words of this unit Step 6.assignment and home work prepare the text , and check the orders on step 4. Period 2 Step 1. Revision 1. Check the Ss homework (7 Dra
8、w a conclusion 3 Think of a method 4Collect results Make up a question 1Find a problem 5Analyse the results 6.Repeat if necessary) 2. Check the pronunciation of some new words. Step2. Scanning Read the passage quickly and put the correct stages into the reading about research into a disease. Find a
9、problem: John Snow was a well-known doctor in Londonuntil its cause was found. Make up a question: He got interested in the two theoriesand soon the affected person was dead. Think of a method: He believed in the second theory butso severe that more than 500 people had died in 10 days. Collect resul
10、ts: He determined to find out why It seemed the water was to blame. Analyse the results: Next, John Snow looked into the source of the water for these two streetsthat cholera was spread by germs and not in a cloud of gas. Repeat if necessary: In addition, he foundthat polluted water carried the dise
11、ase. Draw a conclusion: To prevent this from happening again,not to expose people to polluted water anymore. Step 3. Careful reading 1.Ask the Ss to read the text carefully and then finish the chart in Ex. 1 on page 3. Scientific Report by John Snow The problem Nobody knew the cause of the serious d
12、isease of cholera. The cause Idea 1: strange cloud in the air that attacked victims. Idea 2: people absorbed the disease with their meals. The method Collect data from the next cholera attack to test theories. Try to prove which method was correct. The results He found the cause of cholera was the p
13、olluted water. Idea 1 or 2? Why? Idea 2. Because the data showed a connection with the water. The conclusion John Snow was able to defeat cholera once its cause was known. Step 4. Further Discussion 1.Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why? 2.T
14、wo diseases, which are similar today, are SARS and AIDS because they are both very serious, have an unknown cause and need public health care to solve them. Step 5. assignment and home work Finish Ex 2 on page 3 after class. Period 3 Step 1. Revision Check the Ss homework Step 2. Discussion What qua
15、lities do you think a scientist should have according to the text ? Such as : Good observation , Patient, Clever and strict, Creative, Careful, Strong Perseverance, determination Step 3. Language Points 1. Doctor John Snow was so famous that he attended Queen Victoria to ease the birth of her babies
16、. 约翰斯诺太富盛名了,以致于维多利亚女王生孩子时都是他去照料,帮助她顺利分娩。 attend vt. vi. to be present at; go to (meeting, conference, lecture) 出席,参加 He decided to attend the meeting himself. 他决定亲自赴会。 2) to look after, care for, serve 照顾;看护 Which doctor is attending (to) you? 哪位医生护理你? attendance n. 1) the act of attending 照顾 There
17、is a doctor in attendance. 有一位医生照顾。 2) the number of people present 出席人数 There was a large attendance at the concert. 音乐会听众很多。 2. But he became inspired when he thought about helping ordinary people exposed to cholera. 但当他一想到要帮助受到霍乱威胁的普通百姓,他就感到很振奋。 expose to 暴露;受到风险 Dont expose yourself to the sun f
18、or too long. Youll get sunburned. 别在太阳下晒得太久,你会被晒伤。 Its very dangerous to be exposed to these viruses without any protection. 不加任何保护,直接暴露在这些病毒下是十分危险的。 3. He knew it would never be controlled until its cause was found. 他知道,在找到病源前,疫情是无法控制的。 control v. to have power over, rule, direct 统治,控制 You are tryi
19、ng to control me as though I were your slave. 你是想把我当作你的奴隶控制。 The government tries its best to control prices. *努力控制物价。 He cannot control his anger. 他无法抑制自己的愤怒情绪。 n. 统治,控制,掌握 1) lose control of / be (go) out of control 失去控制 The driver lost control of his car and it knocked into a tree. 司机失去控制,车撞到树上。
20、The car was out of control and ran into a wall. 车失去控制,撞到了墙上。 2) in control of 在控制下 Mr Brown is in control of the money. 布朗先生管理钱财。 3) under the control of 被控制着 This money is under the control of Mr Brown. 钱财由一位布朗先生掌管。 4. The second suggested that people absorbed this disease into their bodies with th
21、eir meals. 第二种看法是在吃饭的时候人们把这种病毒引入体内的。 suggest经常有“建议”的意思,但在这个句子里的意思是“暗示,间接表明”。 The disorganized meeting suggestedbad preparation. 混乱的会场表明准备工作很差。 absorb vt. & vi. 1) to take or suck in (liquids) 吸收 A sponge absorbs water. 海绵吸水。 absorbinto 吸收 The big company has gradually absorbed these small companies
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