Unit9 When was it。 invented? (the。 fir。st period)
One perio。d ( 45 minutes )
Student。s in Grade Nine have mastered some vocabulary and gr。ammar knowledge, some students can use simple English to e。xpress thei。r own thoughts,but it is di。fficult for a small part o。f students to。 communicat。e i。n English. So I put the students of different levels in a group, let them help each other, try to make every s。tudent get differe。nt levels of harvest.
Emotion & Attitude Goals:
1.Form good study。 habits.
2.Know history of inventions and be proud of our countr。y. Encourage students to be a littl。e inv。entor
3. Help students to study activel。y.
1. Through the inventions that we can s。ee e。verywhere to introduce the topic, stim。ulate students interest.
2. Desig。n variou。s activities, organize students to di。scuss, so that every student can。 get。 different levels of harvest .
3. Work in pairs and groups.
1. Key words : inve。nt invention inventor calculat。or
2.Targ。et language : --When was i。t invented ?
-- It。 was invente。d in ….
3. Grammar : The passive voice : was /were + done
am /is /are + done
1.Rea。d the key wo。rds correctly and understand their。 meani。ngs.
2.Improv。e listening skills.
3.Make up conversations with the targe。t language and try to improve speaking skills.
4.Learn to commun。icate with。 others in Englis。h.
1. key words and target language.
2. The passive voice.
3. Help the students to improve cooperation ability.
T: I get to school by e-。bike every day. How do you get to school ?
S1: I get to school by bike.
S2: I get to sch。ool by bus.
T: Bus, car, taxi, bike, they are all useful inventions. What do you think of inventions?
（Ss answer then teacher have a summary：）
T: Now we live in a world of inventions. These invent。ions make our life easier and more comfortable. In this unit, we will lear。n some inventions and their hi。story.
Show the picture to teach new words:invent。 /light bulb/inventor invention
This is Edison. He invented th。e light bulb. He。 was a。 great inventor.He invented。 about 2000 inventions all his life.
Ma。ke sure the students re。ad the new words correctly and unde。r。stand their meanings.
Show pictures in 1a
T: Do you know these inventions? Can yo。u say the。m in English? What’s this in English?
Ss:。 It。’s a telephone/computer/television/ calculator/ car.
Teach the new word: calculator
三[U3]。 、Groupwork 1a
T：There ar。e five i。nventions in thi。s part . Which one was invented the earli。est and。 which one w。a。s invented th。e last ? Guess the dates and discuss in what orde。r they w。ere invented.
H。elp them to discuss by using the following sentence。s:
I think the television was invented after/before the telephone.
I agree/ disagree.
Let eac。h group choose one student to write th。eir result on the blackboard.
四[U4] 、listening Practice 1b
T: W。hich group has the correct result ? We’ll listen to a girl and a woman talking about。 the five inventions.
First。, review the expression of the year.
Then, play the recording the first time, Ss only listen and。 try to catch t。he main idea..
Next, play the。 recording a sec。on。d time. Say。, liste。n to the recording and match the invention。s wi。th the dates.
Finally, check the answers:
d 1876 a 1。885 e 1927 c 1971 b 1976
Clap for the groups that have correct re。sults.
P。ractice conversa。tions in pa。irs u。sing the。 inf。ormation in 1b like thi。s:
A: When was ithe car invented。 ?
B: It w。as invented in ….
Then ask some pa。irs to display their co。nversations in front of the cl。ass.
T: In this class we’ve learned to talk about the history of inventions with passi。ve voice。. N。ow let’s have a d。iscussion about the passive voice in groups.
Make sure students can master the structu。res。 of the passive voice and then each group writes five sentenses about the passive voi。ce.
Show the excercises:
1、Ed。ison was an ______。_(invent), he_______ (invent)。 many useful and important _______(invent) a。ll his life。.
2、He is calculati。ng a math pr。oblem with a ___。____ (calculate).
3、Stamps _____ for sending letters.
A. used B. are using C.。 are used
4、Chinese _。___ by more and m。ore people i。n the world now.
A. is spoken B. is speaking C. spoke
5 The factory _。___ in 1985.
A. is built B. was built C. built