[lessoning]LessoninaLab教案

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the fifth period
 the general idea of this period
 in this period, we’re going to learn pronunciation, everyday english, function and cultural corner.
 teaching aims
 learn and master the following:
 (1)pronunciation in the general question sentence and interrogative sentence.
 (2)words and expressions of sequence.
 teaching important points
 1. everyday english: where do we go from here?
 keep the noise down.
 you’ve got it!
 go ahead!
 it’s your turn.
 2. a reading passage: cultural corner
 teaching methods
 individual work, pair work
 teaching aids
 1. a tape recorder
 2. a computer
 teaching procedures
step 1 revision
　check the homework exercises.
 1. show the words and phrases that come before the degrees of comparison.
 2. check the answers on p91.
step 2 listening
　 learn the pronunciation. pay attention to the intonations.
 mark the tones.
 ask the ss to summarize the basic rules for the sentences.
 read after the speaker in the correct tone.
 additional sentences for them to read. 
 (1)where did you go last month?
 (2)who’s the woman at the door?
 (3)is the experiment successful?
 (4)do you really want to have a go?
step 3 everyday english
　 get the ss to guess the meaning of each sentence and then give the right answer.
 (1)a　(2)b　(3)a　(4)b　(5)a
step 4 pair work
　 make a short dialogue, using the expressions you have just learned. 
 s: if i want others to talk quietly, what should i say?
 s: keep the noise down.
 s: if you don’t know what to do, you may say...
 s: where do i go from here? 
 t: if you hear someone say, “bag it,” what does he really mean?
 s: put it in the bag.
 t: no. it isn’t.
 s: keep it secret.
 t: no. it means “forget about it”. you see, english is great fun.
 step 5 function
　  learn to express the sequence.
 t: first read the short passage. then judge when you use them.
 s: when we state an event, we use first..., then..., next...,after that...,lastly....
 t: think of a situation where you use the expressions. tell the story to your deskmate.
step 6 culture corner
　 t: what are you interested in?
 s: physics.
 t: why are you enjoying learning physics?
 s: i want to learn how things work.
 t: do you hate to be told to do this or that?123
 s: i am excited if i can choose what i want.
 t: now read the passage on p49. it will help you in learning about the science teaching in a school in canada. 
 ss read the passage eagerly.
 t: why has mark become more interested in science?
 s: because the science teachers at his new school are excellent.
 s: because they have good labs with the latest equipment.
 s: because his teacher often takes them to some interesting lectures by the famous scientists.
 s: it is much easier for him to understand his science lessons.
 t: very good.  does our school have such good facilities?
 ss: no.
step 7 discussion
　 t: what can you suggest to the school?
 s: ask more good teachers to come to teach in our school.
 s: buy more advanced equipment.
 s: ask some scientists to give us lectures.
 s: visit some museums.
step 8 further reading
　 read the passage to pick out the useful expressions.
 (1)used to 过去常常
 (2)change schools 转学
 (3)the latest equipment 最新的设备
 (4)four times a term 每学期四次
 (5)make a discovery 作出发现
 (6)many first-class scientists 许多一流的科学家
 (7)win the nobel prize 获得诺贝尔奖
 (8)be proud of 为……而自豪 
 (9)become more and more interested in 对……变得越来越感兴趣
 (10)be supposed to have good physics departments 应有好的物理系
 step 9 writing
　 read the passage again. suppose you are the boy’s father. write about your son’s new school and his school lessons.
 you may begin like this: mark’s feeling about science has completely changed.  it is all because of the new school he is attending.
 step 10 summary
　 ask the ss to turn to p50.look at the module file. say in this module you have learnt: ...
ask them to learn to use the words and expressions.
 step 11 the design of the writing on the blackboard
module 5　a lesson in a lab
the fifth period
discussion:
what can you suggest to the school?
(1)used to 过去常
(2)change schools 转学
(3)the latest equipment 最新的设备
(4)four times a term 每学期四次
(5)make a discovery 作出发现
(6)many first-class scientists 许多一流的科学家
(7)win the nobel prize 获得诺贝尔奖
(8)be proud of 为……而自豪 
(9)become more and more interested in 对……变得越来越感兴趣
(10)be supposed to have good physics departments 应具有好物理系
step 12 activity and inquiry
　task: activity 3123
 write about your experiment using these headings:
 aim equipment method result conclusion
 
steps students’ acting teacher’s organizing
1 let the students know what to do. read the intructions to make sure what they should do
2 read text b again. have the students read text b
3 write about the experiment using the headings. ask the students to write about the experiment using the headings.
4 read out their experiment notes two or three pairs. get some students to read out their experiment notes.
　 detailed explanations to the exercises:
 grammar:
 1.1c　2f　3e　4b　5a　6g　7d
 2.1 eleven times larger
 2 five times further
 3 twenty times bigger
 4 half as big as
 5 as big as
 sample answers:
 saturn is ten times larger than earth.
 saturn is about twice as far from the sun as jupiter.
 jupiter is eleven times bigger than earth.
 earth is twice as big as mars.
 jupiter has nearly as many moons as saturn.
 3.1 healthier, longer　2 more, less
 3 warmer and warmer　4 bigger and bigger　5 more, more
 4.1 a bit   2 a lot　  3 rather　  4 a little
 vocabulary
 5. students’own answers.
 6.1 gas: steam　oxygen　air
 2 solid: glass　iron　metal　salt　steel
 3 liquid: oil　water
 7.boil water　bunsen burner　cotton wool　nobel prize　scientific experiment　test tube
 8.1 method　2 aim　3 apparatus　4 gravity　5 electricity　6 conclusion, results
 7 balance　8 heat　9 expands　10 boil
 9.1b　2b　3c　4b
 10.summary 3　从倒数第三、四段可知是一个叫paul的学生误拿了丙烯酰胺试剂,烧出呛人的味道。
 11.1 baking soda and hydrochloric acid. 
 2 salt.
 3 by making the mixture hotter.
 4 he used the wrong liquid. 
 5 because there was no label on the bottle.从倒数第四段右栏一、二两行可看出。
 6 it formed a thick cloud of white gas. 由倒数第三段最后一句可知。
 7 because the liquid was acrylamide and the gas was poisonous.从倒数第二段最后一句可知。
 8 never to leave a bottle without a label in the chemistry lab. 从倒数第四段可知。
 12 students’ own answers.
 13&14
 the aim is to write a secret message.
 1b squeeze a lemon and put the juice into a container
 2f dip your pen into the juice
 3a write your message on a piece of paper
 4g blow on the paper to dry the lemon juice
 5e light a candle
 6c heat the paper in the candle flame
 7d the message appears when the juice reacts with oxygen and produces brown oxide123

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