2006年 Unit 16 英語(yǔ)學(xué)科教案

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1、Unit 16 Period one Step 1 Greeting and lead in 1. Greet the students as usual 2. Ask some questions about their study Are you getting on well with your study these day? Do you like those subjects such as chemistry, physics? Why? Do you like doing experiments? Step 2 Warming up 1. Ope

2、n your books, page 22,look at the four pictures. What do you see in each picture, what is it about? Can you give the names of the subjects? Can you use your own words to give us some examples of what you learn about for each field of science? 2. Ok, before your discussion, I’ll give you some help

3、. What English words do you think of for each subject of science? science physics biology chemistry 3. work in groups, and discuss the question Step3 Listening 1. We have been talking about experiments, but when we are doing experi

4、ments, what should we pay attention to? Think over, I’ll collect your answers. (all kinds of answers) 2. In the listening text, we will hear a teacher, Mr. Deng who is visiting the chemistry lab with a group of students. Mr. Zhu , the chemistry teacher gives the students instructions about wh

5、at to do and what not to do. Listen carefully, and try to remember the safety instructions. (Play the tape two or three times for the students to finish the exercises ) Step 4 Speaking 1. Now, let’s read a dialogue. Read the dialogue quickly, and find out the information about the advantag

6、es and disadvantages of a high-speed Maglev train. Building a high-speed Maglev train Advantages Disadvantages 1. 2. 3. Key: Advantages: fast ,clean, no noise Disadvantages: much too expensive, a waste of m

7、oney 3. Everything has its two sides, now, there are four inventions for you to discuss. First go through the useful expressions on page 23. Work in groups, make some notes while discussing. Period two Step 1. Greeting and revision 1. Words and expressions 2. T

8、alk about doing experiments Step 2. Background Do you know Benjamin Franklin? Benjamin Franklin (1706-1790), American statesman, inventor, writer and scientist. Some interesting facts about Benjamin Franklin To his life end, he remained a printer and took pride in it. As a teenage,

9、he became an expert swimmer He taught himself to read French, Spanish, Latin and Italian. He was already over 45 when he began his experiments in electricity. If you wouldn’t be forgotten, as soon as you are dead or rotten, either write things worth reading ,or do things worth the writing.

10、 --------- Benjamin Franklin Step 3 Reading 1. Fast-reading Read the passage quickly, answer the three questions Why did Benjamin Franklin do this experiment with the sky? Why is it better to make the kite of silk than of paper? Do you think h

11、is experiment was dangerous? Why? 2. Listen to the tape, do T or F 1. In 1752 scientists already knew what electricity is 2. Franklin was helped by a friend to do the experiment. 3. Franklin made the kite of silk because wet silk does not conduct electricity. 4. A condenser was used in the ex

12、periment to store electricity. 5. The key tied to the string was put into the door to stop the kite from flying away 3. second –reading . Read the passage again, list what are needed to do the same kite experiment as Franklin did and the materials that are needed to make a kite.

13、 kite kite experiment 4. Third –reading Fill in the form Franklin’s kite experiment Time People Weather Purpose Things needed The steps First…second…third… Notice Step 4 Important points 1. be famous for /as /to 2. conduct

14、3. a number of /a great deal of 4. get charged 5. tie…to 6. sharp Step 5 Summery and homework Period Three Step1 Revision 1. review the text 2. words and expressions Step2. Language points 1. be famous for/ as/ to Switzerland is famous for its mou

15、ntain. He is famous as a great singer. He is famous to everyone here. 2. conduct conduction conductive conductor He conducted me around the museum. He conducted the orchestra. The manager conducted his business carefully. Copper conducts electricity better than other materials. 3. a

16、number of a good many /quite a few/ many a +c.n a great deal of/ a large amount of/ quite a little + u.n a lot of /lots of/ plenty of a large quantity of +c.n/u.n Canada has a great deal of coal, oil and natural gas. A number of words and expressions have come into the language from Ameri

17、can English. 4. Having realized... Having finished the work, they went home happily. Having lived in the city for many years, she knows it quite well. Having answered the letter, she went on to listen to the radio. 5. charge Does your car battery charge easily? The fruit seller charged me

18、 too much money. The boy charged into the room. The police charged the driver with drunk driving. She charged me to look after her daughter. 6. tie Tie your shoes. Don’t tie your sheep to the young trees. They tied for first place in the high jump. Your new tie doesn’t match your shirt. Young children can be a tie. 7. Tie... and you’ll... Work hard ,and you will find it not difficult to learn. Hurry up, or you’ll be late.