Giáo án Tiếng Anh 8 - Units 16: Inventions - Nguyen Huu Nhut - Hoang Hoa Tham Junior High School

I.OBJECTIVES :By the end of the lesson,students will be able to practice and understand the dialogue

 between Mr Roberts,Mrs Allen,Tim and Sam about the development of paper and how to

 produce chocolate.

II.LANGUAGE CONTENTS :

 - Grammar: passive voice.

 - Vocabulary:manufacture,crush,liquify,pour,mold,shell.

III.TECHNIQUES : elicitation, pairwork , groupwork, brainstorming.

IV.TEACHING AIDS: extraboard,pictures, tape.

V.PROCEDURES :

 

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Date of preparation: 16-01-2008 unit:16 INVENTIONS 
Date of teaching:18-01-2008 Period 103. Getting started&Listen and read 
I.OBJECTIVES :By the end of the lesson,students will be able to practice and understand the dialogue 
 between Mr Roberts,Mrs Allen,Tim and Sam about the development of paper and how to 
 produce chocolate..
II.LANGUAGE CONTENTS :
 - Grammar: passive voice. 
 - Vocabulary:manufacture,crush,liquify,pour,mold,shell.
III.TECHNIQUES : elicitation, pairwork , groupwork, brainstorming.
IV.TEACHING AIDS: extraboard,pictures, tape.
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
( 5 minutes )
2.Presentation:
( 15 minutes )
3.Practice:
( 15 minutes )
4.Production
( 7 minutes )
5.Homework :
 ( 3 minutes )
*Look at and tell the names of people in the 
 pictures:
A. B. C.
*Answer keys:
A.Graham Bell B.Humphry Davy C.Thomas Savery
-Who invented telephone ?( Graham Bell )
-Who was the inventor of steam engine?(Thomas Savery)
-Who invented light bulb ?( Humphry Davy) 
 I.Getting started :
*Match these stages in the development of paper 
 with the correct pictures: 
a-D
b-A
c-B
d-E
e-C
II.Listen and read :
*Lead in: Tim Jones,Hoa’s American penpal,is visiting a chocolate factory with his teacher,Mrs Allen.Now,listen to the tape and tell me who will show them around the factory :
*Listen to the tape:
*Vocabulary:
-to manufacture = to produce goods
-to crush:to press something very hard so that it is broken.
-to liquify : to cause a gaze or a hard thing to change 
 into form of water.
-to grind-ground-ground:
 -mold(n):
-conveyor belt(n):
1.Practice the dialogue with the partner .
2.Questions:
a.Who is showing Tim’s class and his teacher around 
 the factory ?
b.What are the beans done at the first step in the 
 manufacturing process ?
c.What are the beans done after their shells are 
 removed ?
3.Match the half-sentences :
*Answer keys:
 a-E b-D c-C d-F e-B f-A
*Recall : retell the steps in the manufacturing 
 process of chocolate :
-Learn the new words by heart.
-Finish all exercises into your exercisebooks.
-practice the dialogue with your partners.
-Prepare:”SPEAK”
+Find out new words.
T:stick 3 pictures on board and ask
 Ss look at and tell the names of
 people in the pictures.
Ss:work in groups: look at and tell 
 the names of people in the pictures
T:ask Ss some questions about these
 inventors.
T:stick pictures on board and ask Ss to
 match the stages in the development 
 of paper with the correct pictures.
Ss:work in groups:
T:feedback and give correct answers
T:introduce the lesson
Ss:listen to the tape(twice ) and 
 answer the question :
-Mr Roberts,the factory foreman,is 
 showing them around.
-explanation
-explanation
-explanation
-translation
-picture
-picture
Ss:work in pairs:practice the 
 dialogue with their partners.
T:ask some questions about the 
 dialogue.
Ss:listen and answer the questions
 about the dialogue.
T:share Ss handouts and guide them
 to do the task.
Ss:work in groups: 
Ss:talk before class
T:feedback and correct the mistakes.
T:guide Ss to learn at home
Ss:do as directed.
Date of preparation: 16-01-2008 Unit :16 INVENTIONS 
Date of teaching:18-01-2008 Period:104. SPEAK 
I.OBJECTIVES :By the end of the lesson,students will be able to talk about some inventions,using passive.
II.LANGUAGE CONTENTS :
- Grammar:passive voice. 
- Vocabulary: revision of vocabulary. 
III.TECHNIQUES : elicitation, pairwork , groupwork, brainstorming.
IV.TEACHING AIDS: textbooks,posters.
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
( 5 minutes)
*Pre-speaking:
( 12 minutes )
*While- 
 speaking:
( 20 minutes )
*Post-speaking:
( 4 minutes )
2.Homework :
 ( 4 minutes )
*Look at and tell names of things for these pictures
*Vocabulary:
-facsimile(n): equipment of sending exact copies
-loudspeaker(n):a thing changing electrical signals
 into sounds.
-helicopter(n):
*Complete the table :
Invention
Date
Inventor
Nationality
bicycle
1896
Frederick Koenig
German
color TV
1950
Peter Carl Goldmark
American
facsimile
1843
Alexander Bain
English
helicopter
1939
Igor Sikorsky
American
laser
1958
Gordon Gould
American
loudspeaker
1924
C.W.Rice
American
microphone
1878
D.E.Hughes
American
optical fibre
1955
Karl.D.Sauerbrom
German
printing press
1810
Narinder Kapany
German
reinforced
1849
F.JMonier
French
sewing machine
1845
Elias Howe
American
X-ray
1895
Wilhelm Konrad
German
*Work with a partners:
A.When was the facsimile invented ?
B.It was invented in 1843.
A.Who was it invented by ?
B.By Alexander Bain
*Report your findings to the teacher:
Example :
-The facsimile was invented by Alexander Bain in 
 1843.
-Learn the language contents by heart.
-Write the dialogues into your notebooks.
-Prepare:”LISTEN”
T:stick pictures on board and ask Ss to
 tell names of things for the pictures
Ss:work in 2 groups:
-bicycle
-helicopter
-microphone
-facsimile
T:feedback and give correct answers.
-explanation
-explanation
-picture
T:stick handouts and guide Ss to do 
 the task.
Ss:work in groups:complete the table 
T:feedback and give correct answers
Ss:work in pairs:use information in the
 table to make a conversation.
T:feedback and correct the mistakes.
Ss:talk before class.
T:feedback and correct the mistakes.
T:guide Ss to learn at home .
Ss:do as directed .
Date of preparation: 16-01-2008 unit :16 INVENTIONS 
Date of teaching:18-01-2008 Period 105. LISTEN 
I.OBJECTIVES :By the end of the lesson Ss will be able to listen for details about papermaking.
II.LANGUAGE CONTENTS :
 - Grammar: passive voice.
 - Vocabulary: revision of vocabulary. 
III.TECHNIQUES : elicitation, pairwork , groupwork, brainstorming.
IV.TEACHING AIDS: tape,sub-board,pictures.
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
( 5 minutes )
*Pre-listening:
 ( 10 minutes )
*While- 
 listening:
( 18 minutes )
*Post-listening:
( 8 minutes )
2.Homework :
 ( 4 minutes )
*Guessing game : what invention ?
-It was invented by Peter Carl Goldmark,an 
 American inventor in 1950.What invention?
→Is it Color televivion ?
 Yes,you’re right.
*Vocabulary:
-procedure(n):
-pulp(n) : what is used to make paper ?
-vat(n):
-to drain: to make something empty or dry by 
 removing all the liquid fro it .
-roller(n):
-roll(n):
*Lead in : 
-What is used to make paper ?
-How to make paper ?
 Þ Here is the process of making paper.Listen
 and complete the sentences. 
1.Listen and fill in the gaps in these sentences:
*Answer keys:
a.papermaking is a simple process.
b.The procedure is almost the same as it was two 
 hundred years ago.
c.The pulp vat is on the left of the machine.
d.The papermaking machine has a lot of rollers.
2.Listen again.Put the sentences into the correct
 order.
*Answer keys:
 c-d-a-e-g-f-b
c.Paperpulp was placed in the vat.
d.Paperpulp was mixed with water.
a.The water was drained.
e.The pulp fibres were poured out.
g.The pulp was conveyed under the rollers.
f.The fibres were smoothed and pressed dry.
b.The paper was put on a roll.
*Talk about processing of making paper:
-Learn the new words by heart.
-Write about processing of making paper:
-Prepare:”READ”
+Find out newwords.
Ss:work in 2 groups:think of and say 
 information about an invention.
T:feedback.
-translation
-question
-picture
-explanation
-picture
-realia
T:introduec the lesson
T:share Ss handouts and guide them to 
 do the task.
Ss:work in individual:listen to the tape
 and fill in the gaps to complete the
 sentences.
T:share Ss handouts and say:Here are
 sentences incorrect orders of process
 of making paper.You listen again 
 and put them in correct order.
Ss:work in individual:listen and do the
 task.
Ss:talk before class.
T:feedback and correct the mistakes.
T:guide Ss to learn at home .
Ss:do as directed .
Date of preparation: . unit :16 inventions 
Date of teaching: .. Period :106. READ
I.OBJECTIVES :By the end of the lesson,students will be able to read for details to know more about 
 inventions.
II.LANGUAGE CONTENTS :
 - Grammar: present present tense.
 - Vocabulary: mircrowave, toaster,hairdryer,dishwasher, vacuum..
III.TECHNIQUES :elicitation, pairwork ,ask and answer, groupwork .
IV.TEACHING AIDS: extraboard,pictures .
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
*Pre-reading:
( 20 minutes )
*While-
 reading :
( 15 minutes )
*Post-reading:
( 7 minutes )
2.Homework :
( 3 minutes )
*Networks :
 telephone
House hold appliances
*Possible answer : telephone, television, stereo, 
 radio,refrigerator ..
*Vocabulary :
-microwave(n):
-toaster(n):
-hairdryer(n): an electrical device used for drying hair.
-dishwasher(n): an electrical device used for washing
 dishes.
-vacuum(n)
1.Matching:
*Answer keys:
 Verse1 – b
 Verse2 – c
 Verse3 – a
2.Questions:
a.What is the first verse about ?
b.Is the 2nd verse about the appliances used in the 
 kitchen ?
c.Is the 3rd verse about the instrument invented by
 Alexander Graham Bell ?
3.Fill in each of gaps in the sentences :
 *Answer keys: 1.vacuum
 2.telephone
 3.washing machine
 4.microwave
 5.hairdryer
 6.toaster
*Translate the poem into Vietnames:
 1.Những gì trên phố hôm nay
 Tôi mua mới nhất khi vừa xem qua
 Vi-Ba đứt mạch dây tà
 Lò nướng thỏ thẻ như là mất hơi
 2.Hút bụi lách cách lơi cơi
 Sấy tóc vương vãi như lời than van
 Máy rửa ngắt điện lang thang
 Tiếng kêu inh ỏi khua vang om sòm
 3.Điện thoại cũng mới khua hòm
 Là cái mới nhất tôi tìm vừa ra
 Chuông kèn vừa đẹp màu pha	
 Ôi sao lại phải như là không kêu.
-Learn the new words by heart.
-Finish all the answers into your notebooks. 
-Prepare:WRITE.
Ss:work in 2 groups:go to the board 
 and write words related to house
 hold appliances
T:feedback and give correct answers
-translation
-picture
-explanation
-explanation
-picture
Ss:work in groups:read the poem then 
 match the heading to the verses.
T:ask Ss some questions
Ss:listen and answer the questions 
 about the poem.
T:share Ss handouts and guide them to
 do the task.
Ss:work in groups:read and fill in each 
 gaps to complete sentences. 
T:read and translate the poem into 
 Vietnamese.
Ss:listen to the teacher.
T:guide Ss to learn at home .
Ss:do as directed .
Date of preparation: . unit :16 INVENTIONS 
Date of teaching: .. Period :107. WRITE
I.OBJECTIVES :By the end of the lesson , students will be able to use the sequence markers to describe a
 manufacturing procedure.
II.LANGUAGE CONTENTS :
 - Grammar: passive voice. 
 - Vocabulary: log, flatten, refine .
III.TECHNIQUES :elicitation, pairwork ,ask and answer, groupwork .
IV.TEACHING AIDS: extraboard,poster.
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
( 5 minutes )
*Pre-writing:
(18 minutes )
*While-
 writing :
( 15 minutes )
*Post-writing:
( 4 minutes )
2.Homework :
 ( 3 minutes )
*Play a game: “Jumbled words”
1.LPPU → ..
2.LLREOR → ..
3.MOREVER → 
4.DARNIVER → ..
5.BERIFVER → ..
ÞAnswer keys: 1.pulp
 2.roller
 3.remove
 4.drain
 5.fibre
1.Vocabulary :
-log(n): a thick piece of wood that is cut from a tree.
-to flatten: to make something become flat
-to refine:
2.Fill in the blanks :
*Answer keys:
1.First 2.then 3.next
4.afterthat 5.then 6.finally
3.Questions:
a.What is cut into chips?
b.What are chips mixed with before they are
 crushed to heavy pulp ?
c.Why is the pulp passed through roller ?
d.What is the last step in paper-making ?
4.Ordering pictures :
 *Answer keys:
 1-d 2-a 3-e 4-c 5-b 6-f
*Now use the sequence markers in “exercise1” to
 link the sentences together in a paragraph :
 At first,the fruit harvest is fermented for three to nine days to kill the beans and turn them brown.Then,the beans are dried in the sun.Next,the beans are cleared in special machines.Afterthat,the beans are roasted to bring out the chocolate favour.Then,they are shelled and ground to produce chocolate liquor.Finally,the liquor is made into chcolate candy or cocoa power.
*Read the paragraph aloud
-Learn vocabulary by heart.
-Rewrite the letter in yournotebooks.
-Prepare:Language focus.
T:put the cardboards with jumbled
 words on the board.
 -infrom the topic words related to
 paper making procedure.
 -ask Ss write their answer on piece 
 of paper to hand in.
Ss:work in individual:put the letters in
 their correct orders to make
 meaningful words.
-explanation
-explanation
-translation
Ss:work in groups:read and complete
 the passage with the words given. 
T:feedback and correct the mistakes.
Ss:answer the questions about the 
 passage.
Ss:work in individual: use the 
 sequence markers in “exercise1” to
 link the sentences together in a 
 paragraph
T:feedback and correct the mistakes.
T:correct the mistakes.
Ss:read the paragraph aloud.
T:guide Ss to learn at home .
Ss:do as directed .
Date of preparation: . unit :16 inventions 
Date of teaching: .. Period:108. LANGUAGE FOCUS
I.OBJECTIVES :By the end of the lesson , students will be able to revise and practice grammar notes in unit 16.
 - Grammar: +Passive voice.
 +Sequence markers..
 - Vocabulary:run a business,around the corner, due to, flood, zipper, xerography. 
III.TECHNIQUES :elicitation, pairwork ,ask and answer, groupwork .
IV.TEACHING AIDS: extraboard,pictures 
V.PROCEDURES :
 STAGES
 CONTENTS
 NOTES
1.Warm up :
*Activity 1:
*Activity 2:
*Activity 3:
2.Homework :
*Pelmanism:
A.Infinitive B.Past participle
to write written
to draw drawn
to sell sold
to win won
to run ran
I.Vocabulary:
-to run a business / company:
-around the corner:very near
-due to = because of 
-flood(n):
+There may be . When it rain heavily for 
 days.
-zipper(n):
-xerography(n):
II.Passive voice :
*Matching :
 PASSIVE FORM
A
B
1.Present simple tense
2.Past simple tense
3.Future simple tense
4.Present perfect tense
a.was / were + pp
b.have / has +been + pp
c.is / am / are + pp
d.will / shall + be + pp
1.Change the sentences from the active into the passive:
a.The document was typed by Mrs Quyen
b.The computer was repaired by Mr Nhan
c.The picture was drawn by Ba
d.The lights were turned off by Hoa
e.The cake was baked by Lan.
2.Active or passive ?Use the correct form of the 
 verbs in brackets to complete these sentences :
*Answer keys:
a.was awarded b.won
c.ran d.was run e.was closed
3.Put a question for each of the underlined
 phrases in the sentences below:
*Answer keys:
a.What was invented by W.L.Judson in 1893.
b.What was brought into Viet Nam by Phung Khac
 Khoan?When was it invented ?
c.Who was the fountain pen invented by ?When
 was it invented ?
d.Where was the ballpoint pen was invented in 
 1935 by brother Lazlo and George Biro?
e.Where is xerography widely used in commerce
 and industry ?
III.Sequence markers:first,then,next,after that,
 finally.
*Use sequence markers to describe how to white
 rice is produced in the traditional way:
 At first,the rice crop is harvested.Next,the rice plants are threshed.Then,the rice grains are separated from the husk and put into the mill to produce brown rice.After that,the bran is removed by the mortar.Finally,it is winnowed to produce white rice.
-Learn the new words by heart.
-Finish all exercises into your exercise books.
T:form the topic:infinitive-past 
 participle.
Ss:work in 2 groups
T:feedback and correct the mistakes.
-translation
-explanation
-synonym
-situation
-picture
-translation
T:share Ss handouts and guide Ss to 
 do the task.
Ss:read and match tenses in column A
 with it’s passive from in column B.
T:share Ss handouts and guide Ss to 
 do the task.
Ss:work in individual:do the task and 
 exchange with their partners.
T:share Ss handouts and guide Ss to 
 do the task.
Ss:use the correct form of the 
 verbs in brackets to complete these 
 sentences
T:share Ss handouts and guide Ss to 
 do the task.
Ss:work in individual:do the task and 
 exchange with their partners.
T:feedback and correct the mistakes.
T:remind Ss of sequence markers
Ss:use sequence markers to describe
 how to white rice is produced in
 the traditional way
T:guide Ss to learn at home .
Ss:do as directed .

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