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1、Unit 16Period one Step 1 Greeting and lead in1. Greet the students as usual2. 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 up1. Open your books, page 22,l
2、ook 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, Ill give you some help.What English words do you thi
3、nk of for each subject of science? science physics biologychemistry3. work in groups, and discuss the questionStep3 Listening1. We have been talking about experiments, but when we are doing experiments,what should we pay attention to? Think over, Ill collect your answers. (all kinds of answers)2. In
4、 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 what to do and what not to do.Listen carefully, and try to remember the safety instructions.(Play the tape two or th
5、ree times for the students to finish the exercises )Step 4 Speaking1. Now, lets read a dialogue. Read the dialogue quickly, and find out the information about the advantages and disadvantages of a high-speed Maglev train. Building a high-speed Maglev trainAdvantages Disadvantages 1. 2. 3.Key: Advant
6、ages: fast ,clean, no noiseDisadvantages: much too expensive, a waste of money3. 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 revisi
7、on1. Words and expressions2. Talk about doing experimentsStep 2. BackgroundDo you know Benjamin Franklin?Benjamin Franklin (1706-1790), American statesman, inventor, writer and scientist. Some interesting facts about Benjamin FranklinTo his life end, he remained a printer and took pride in it.As a t
8、eenage, he became an expert swimmerHe taught himself to read French, Spanish, Latin and Italian.He was already over 45 when he began his experiments in electricity.If you wouldnt be forgotten, as soon as you are dead or rotten, either write things worth reading ,or do things worth the writing. - Ben
9、jamin Franklin Step 3 Reading1. Fast-readingRead the passage quickly, answer the three questionsWhy 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 his experiment was dangerous? Why?2. Listen to the tape, do T or F 1. In 1752
10、 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 experiment to store electricity.5. The key tied to the string was put into the door to s
11、top the kite from flying away3. 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. kite kite experiment4. Third reading Fill in the formFranklins kite experimentTimePeopleWeatherPurposeThings n
12、eededThe stepsFirstsecondthirdNoticeStep 4 Important points1. be famous for /as /to2. conduct3. a number of /a great deal of 4. get charged5. tieto6. sharpStep 5 Summery and homework Period Three Step1 Revision1. review the text 2. words and expressionsStep2. Language points1. be famous for/ as/ to
13、Switzerland is famous for its mountain.He is famous as a great singer.He is famous to everyone here.2. conductconduction conductive conductorHe conducted me around the museum.He conducted the orchestra.The manager conducted his business carefully.Copper conducts electricity better than other materia
14、ls.3. a number of a good many /quite a few/ many a +c.na great deal of/ a large amount of/ quite a little + u.na lot of /lots of/ plenty of a large quantity of +c.n/u.nCanada has a great deal of coal, oil and natural gas.A number of words and expressions have come into the language from American Eng
15、lish.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. chargeDoes your car battery charge easily?The fruit seller charged me too much money.The boy cha
16、rged into the room.The police charged the driver with drunk driving.She charged me to look after her daughter.6. tieTie your shoes.Dont tie your sheep to the young trees.They tied for first place in the high jump.Your new tie doesnt match your shirt.Young children can be a tie.7. Tie. and youll.Work hard ,and you will find it not difficult to learn.Hurry up, or youll be late.