Giáo án Tiếng Anh 8 - Units 15: Computers

Objectives : By the end of the lesson, students will be able to use “present perfect with yet/ already” and read a dialogue about “printer”to understand main ideas and details.

· Materials : Posters, cassette recorder.

· Procedure.

 

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pic : Applications of computers in our life/ schools.
-SS write in groups.(on posters.
-SS put their posters on the board.
-T. corrects.
2’
V )Homework :
-Learn vocabulary.
-Write 5 sentences about benefits of computers.
-Do exercises 3-4 / P. 91-92.
-Prepare “Write” / P. 142-143.
-T. says and writes “Homework” on C.B.
-SS copy.
Period 95 : Unit 15 - Computers – Lesson 4 – Write – Page 142-143
Objectives : By the end of the lesson, students will be able to write the instructions on how to use the printer.
Materials : Posters, pictures.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Hangman.
.Groupwork.
Topic : Đây là 1 trong các trang thiết bị hiện đại.
- - - - - - = printer
(7 letters)
-T. gives the topic.
-SS guess one letter each time.
-The group ( find out the word ) are winners.
15’
II ) Pre writing :
.Pre teach.
-Paper input tray (n) : khay đưa giấy vào (Visual)
-Monitor screen (n) : màn hình (Visual)
-Power button (n) : nút mở điện (Situation)
-Icon (n) : ký hiệu (Translation)
-Output path (n) đường / lối ra (Translation)
*Trong bài học hôm nay chúng ta sẽ được học cách viết hướng dẫn sử dụng máy in.
-Matching.
.Groupwork.
1 / P.142.
Answer key :
a.3 b.1 c.6 d.2 e.4 f.5
-T. elicits.
-SS guess.
-T. models.
-SS repeat chorally first, then individually.
-T. puts the words on the board.
-T. checks meaning and pronunciation.
-T. sets the scene.
-T. introduces.
-SS work in groups match the words / phrases with the correct pictures.
-SS go to C.B to write their answers.
-T. corrects.
15’
III ) While writing :
*Bây giờ các em hãy nhìn vào tranh và từ cho sẵn trong SGK. Hãy viết cách hướng dẫn sử dụng máy in.
-Write-it-up.
.Individuals.
Suggested writing :
a)Plug in the printer and turn on the power.
b)Remove the old paper and load the new paper in the paper input tray.
c)Wait for the power button to flash.
d)Have the pages appeared on the computer screen.
e)Click the printer icon on the screen and wait for a few seconds.
f)The printed paper will get out from the output path in a minute.
-T. runs through vocabulary.
-SS write individually.
-T. goes around to help some SS.
8’
IV ) Post writing :
*Sharing and Comparing.
-SS compare their assignments with a partner’s.
-SS change their assignments and correct “mistakes”.
-T. puts “ sentences which contain mistakes on C.B.
-T. and SS correct.
2’
V )Homework :
-Learn vocabulary.
-Rewrite the passage completely.
-Prepare “Language Focus” / P. 144-146.
-T. says and writes “Homework” on C.B.
-SS copy.
Period 96 : Unit 15 - Computers – Lesson 5 – Language Focus - Page 144-146
Objectives : By the end of the lesson, students will be able to use present perfect with “yet, already”, comparison of present perfect and past simple.
Materials : Posters, cards.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Grids. /.Groupwork.
Infinitive
Past
Past participle
Tell
Be
Find
See
Have
Hear
Fall
Break
Told
Told
-T. divides the class into two groups.
-SS go to C.B to write.(one student-one verb)
-In two minutes, the group write more correct verbs are winners.
8’
II ) Present perfect :
-Exchange.
A : Have you finished your homework yet ?
B : Yes, I have already done it. What about you ?
A : I haven’t done it yet.
*Present perfect : (already / yet)
S + have / has + already + P.P
(đã  làm / rồi)
S + haven’t / hasn’t + P.P + yet
Have / has + S + P.P + yet ?
(not  yet / yet : chưa, vẫn chưa)
=>Đã làm tính đến hiện tại.
Chưa làm tính đến hiện tại.
*Mẹ của Ba vừa đi chợ về. Cô ấy muốn Ba làm 1 số việc nhà trong khi cô đi chợ. Ba đã ghi những việc phải làm vào nhật ký và đánh dấu (P) vào những việc đã làm.
*Các em hãy nhìn vào nhật kí của Ba và hoàn thành đoạn hội thoại vớ “Yet/ already”.
-Gapfill. / 1 / P.144. Answer key :
-I have already finished it.
-I haven’t cleaned and tidied it yet.
-I have already turned it off.
-I have already called and told her to have -lunch with us.
-T. gives an exchange.
-T. reviews the form.
-T. explains.
-T. sets the scene.
-T. runs through vocabulary.
-SS do the exercise in pairs.
-Feedback.
-SS go to the board to write their answers.
-T. corrects.
8’
*Để hiểu rỏ hơn về cách dùng của thì htht với “yet/ already”, chúng ta làm bt 2. Luyện tập theo cặp, hỏi và trả lời về những chuyến bay như ví dụ trong bài.
Ex : Has the flight to Vientiane daparted yet ?
Yes. It has already departed.
Has the flight from Los Angeles arrived yet ?
No. It hasn’t arrived yet.
2 / P. 144-145. / Practice in pairs.
-T. sets the scene.
-T. gives an exchange.
-T. explains the example.
-T. runs through vocabulary.
-SS work in pairs and practice.
-Feedback.
-T. checks some pairs.
8’
III )Finished / incomplete action :
Ex : She has been to HCM city.
(Finished action)
She has gone to HCM city.
(Incomplete action)
-Grids. / .Grouwork.
3 / P.146 . Answer key :
Finished action
Incomplete action
a
b
c
d
e
f
g
P
P
P
P
P
P
P
-T. gives an example.
-T. explains the structure.
-T. sets the scene.
-T. runs through vocabulary.
-SS do the exercise.
-Feedback.
-SS go to the board to tick.
-T. corrects.
7’
IV)Present perfect / Simple past :
-Gapfill. /.Pairwork.
4 / P.146. Answer key :
1.Have ..seen / Did  see / saw.
2.Haven’t had. / 3.Have been / 4.Have heard.
5.Happened / 6.Had / 7.Fell / 8.Broke
9.Has arrived / has / did  arrive / arrived
-T. reviews the simple past and present perfect.
-T. sets the scene.
-T. runs through vocabulary.
-SS do the exercise in pairs.
-T. corrects.
7’
V) Production :
Write sentences, using the present perfect with already and yet :
1.David / lesve / the party.
->David has already left the party.
2.I / not receive / his letter.
->I haven’t received his letter yet.
3.The manager / come / the office ?
->Has the manager come to the office yet ?
4.It / stop / raining ?
->Has it stopped raining yet ?
5.We / see / that film.
->We have already seen that film.
-SS do the exercise in pairs.
-SS go to the board to write.
-T. corrects.
2’
VI )Homework :
-Learn these structures.
-Do exercise 5-6-7 / P.92-95.
-Prepare Unit 16-Getting Started and Listen & Read.
-T. says and writes “Homework” on C.B.
-SS copy.
Tuần 33
Period 97 : Trả bài kiểm tra 1 tiết-bài số 4
Objectives : By the end of the lesson, students will be able to understand the knowledge of the one-period test.
Materials : Cassette player, cards, posters.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer : 
-Hangman.
.Groupwork.
 - - - - = Exam
(4 letters)
-T. gives the topic.
-SS guess one letter each time.
-The team find out the word first ( are winners).
(37’)
7’
7’
8’
7’
8’
II ) Listening:
Answer Keys and Marking Scheme :
Tapescript :
1.Guest : Hi ! My name’s Le Mai Chi. I have a reservation here.
 Receptionist : A moment, please. Ms Le Mai Chi  Ah, yes. Could you please fill in this registration form ?
2.Guest : Excuse me ! I’d like a single room for just one night,please.
 Receptionist : You’re lucky. There’s one left. May I see your passport, sir ?
3.Guest : Hi ! My friend has reserved a room for me.
 Receptionist :Has he ? May I have your name, sir ?
4.Guest : I’d like a room, please !
 Receptionist : Do you have a reservation ?
 Guest : I don’t, sorry.
 Receptionist : Do you have an ID, or a driver’s license ?
5.Guest : I need a room for two nights, please.
 Receptionist : There’re no single rooms left, sir. Is a double room OK ?
 Guest : That’s fine. Do you need any ID ?
 Receptionist : Just tell me your passport number.
6.Guest : I’d like a room for a family, please !
 Receptionist : For how many nights, sir ?
 Guest : For four nights.
 Receptionist : Then, you’ll have to pay USD 300 as a deposit, sir.
I )1,5ms (Each item- 0,25m)
1A 2B	 3B 	4B 	5A 	6A
II )3ms (Each item -0,5m) / -T / F statements.
1.F 	2.T 	3.T	 4.T 	5.F 	6.F
III) 3,0ms (Each item – 0,5m)
*Multiple choice.
1.d 	2.c 	3.a 	4.b 	5.a	 6.c
IV)1m (each item-0,25m)
1.Prison 2.who 3.beach 4.gym
V)1,5ms (each item -0,5m)
*Write-it-up.
(Sentence race.)
1.They were playing tennis at 10.30 yesteday morning.
2.My father washes his car from 5 to six on Sunday.
3.Lunar New Year is celebrated in the first month of Lunar new year.
-T. presses the tape three times.
-SS listen and complete the table.
-Ss compare with their partners.
-T. gives Feedback.
-SS work in groups, read the text and answer the questions.
-T. asks – SS answer orally.
-SS go to the board to write.
-T. corrects.
-SS choose suitable words or phases.
-Ss go to the board to write.
-T. explains and gives Feedback.
-SS go to the board to write in two groups.
-T. corrects.
3’
V )Homework :
-Prepare Unit 16-Getting started/ Listen and Read- page 166-167.
-T. says and writes “Homework” on C.B.
-SS copy.
Unit 16 : INVENTIONS
Lesson 1 : Getting started & Listen and Read.
Lesson 2 : Speak + Listen
Lesson 3 : Read
Lesson 4 : Write
Lesson 5 : Language Focus
Period 98 : Unit 16 - INVENTIONS – Lesson 1 – Getting started / Listen and Read – Page 147-149
Objectives : By the end of the lesson, students will be able to introduce the topic of the unit “Inventions”, and read a text about “a chocolate factory” to understand main ideas and details.
Materials : Magnified copies of pictures from the textbook, posters, cassette recorder.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Matching.
.Groupwork.
*Getting Started / P. 147
Pictures a-e.
 Answer Key : 
A.b B.c C.e D.a E.d
-T. explains how to do.
-SS work in groups and match these stages in the development of paper with the correct pictures.
 -T. corrects.
14’
II ) Pre reading (Stage) :
.Pre teach.
-cacao bean (n) : hạt ca cao (Situation)
-manufacturing process (n) : Quy trình sản xuất (Translation)
-(to) crush : nghiền nát (Situation)
-(to) liquify : làm thành chát lỏng, cho thành nước (Explanation)
-Vanilla (n) : va-ni (Translation)
-(to) pour : đổ (Mime)
-mold (n) : khuôn (Situation)
-conveyor belt (n) : băng truyền (tải) (Translation)
(papyrus : cây cói, giấy cói / woodpulp : bột gỗ / papermaking : làm giấy / prisoner : tù nhân / to grind –ground-ground : xay nhỏ / to roll : cán)
*Ex : 
.The beans are washed.
.The first papermaking machine was invented in the late 1700s by a Frenchman.
*Present simple in passive : Am/is/are + P.P.
*Past simple in passive : was / were + P.P.
-How many people are there in the dialogue ? Who are they ? =>Mr. Roberts, Tim, Sam, Mrs. Allen.
*Sô cô la là 1 loại bánh được nhiều người ưa thích. Các em có biết thành phần để làm sô cô la gồm những gì và cách làm như thế nào không ?
*Tim Jones, 1 người bạn Mỹ qua thư của Hoa đang đi thăm nhà máy sản xuất sô cô la với bạn cùng lớp và cô giáo của mình, cô Allen. Ông Roberts, quản đốc (foreman ) nhà máy đang dẫn họ đi thăm quan.
Listen and Read / 147-148.
*Open Prediction.
Để sản xuất ra sô cô la, chúng ta cần những nguyên liệu gì ?
-T. elicits.
-SS guess.
-T. models.
-SS repeat chorally first, then individually.
-T. puts the words on the board.
-T. checks meaning and pronunciation.
-T. gives two examples.
-T. introduces the structure.
-T. sets the scene.
.T. asks –Ss answer .
-T. introduces the situation.
-SS guess.
16’
III ) While reading (Stage) : 
*Matching.
.Groupwork.
2 / P.149. Answer key :
a)E. the beans are cleaned before being cooked.
b)D. Mr. Robert thought Tim and Sam were going to touch the button.
c)C. After cooking, the cacao beans smell like chocolate.
d)F. Sugar is one of the ingredients in chocolate.
e)B. Mrs. Allen warned Sam to leave some chocolate for others.
f)A. A sample of chocolate is given after visitors have toured the factory.
Listen and Read / P.148
-SS read the dialogue and check their prediction.
-T. gets SS to read the dialogue and do the task in groups.
-Ss go to the board to write their answers.
-T. corrects.
-T. presses the tape.
-SS listen with book-open.
-SS practice in pairs.
8’
IV ) Post reading (Stage) :
*Ordering. / .Groupwork.
1)The shells are removed.
2)The beans are washed, weighed and cooked.
3)The mixture is ground, rolled and poured into the molds.
4)Cocoa(bột, nước, màu cacao) butter, sugar, vanilla and milk are added.
Answer key :
2-1-4-3
-T. gets students to order the sentences in groups of four.
-Ss go to the board to write.
-T. gives feedback.
2’
V )Homework :
-Learn vocabulary. 
-Do exercise 1-2 / P. 96.
-Prepare “Speak+Listen” / P.149-150
-T. says and writes “Homework” on C.B.
-SS copy.
Period 99 : Unit 16 - INVENTIONS – Lesson 2 – Speak + Listen – Page 149-150
Objectives : By the end of the lesson, students will be able talk one another about the famous inventions in daily life / listen to “the paper making process”.
Materials : Posters, cassette recorder, magnified copies of pictures from the textbook.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Network. / .Groupwork.
Inventions
-T. gives the topic.
-T. divides the class into two groups.
-SS go to C.B to write.(one student-one word)
-In two minutes, the group write more correct words are winners
8’
II ) Pre speaking :
.Pre teach.
-reinforced concrete : bê tông cốt thép (Translation)
-loudspeaker (n) : loa phóng thanh (Visual)
-helicopter (n) máy bay trực thăng (lên thẳng) (Explanation)
-smooth (v)(adj) : làm cho nhẳn, trơn. (Situation)
-(to) drain : làm ráo nước (Situation)
-pulp vat (n) : chum bột giấy (Translation) 
-roller (n) : con / trục lăn (Visual)
(papermaking machine : máy làm giấy / facsimile : máy fax / microphone : micrô / x-ray : máy cụp X-quang / printing press : máy in / optical fiber : sợi quang)
*Trong giờ học hôm nay chúng ta sẽ học về các phát minh nổi tiếng đang được sử dụng trong đời sống hàng ngày.
-Gapfill.
.Pairwork.
A : When was the facsimile invented ?
B : It was invented in 1843.
A : Who was it invented by ?
B : It was invented by Alexander Bain.
-T. elicits.
-SS guess.
-T. models.
-SS repeat chorally first, then individually.
-T. puts the words on the board.
-T. checks meaning and pronunciation.
-T. sets the scene.
-SS fill in the gaps.
-T. gives Feedback.
7’
III) Controlled Practice :
Grids / P.150-156.
- Group 1 : printing press / Bicycle.
- Group 2 : Facsimile / Sewing machine.
- Group 3 : Reinforced concrete / microphone.
- Group 4 : X-ray / Loud speaker.
- Group 5 : Helicopter / color TV.
- Group 6 : Optical fiber / Laser.
*Transformation.
.Groupwork.
Ex : The facsimile was invented by Alexander Bain in 1843.
Answer key :
.Printing press was invented by Friedrich Koenig in 1810.
.The bicycle was invented by Karl. D. Sauerbronn in 1816.
.The sewing machine was invented by Elias Howe in 1845.
.The Reinforced concrete was invented by F.J Monier in 1849.
.The Microphone was invented by D.E Hughes in 1878.
.The X-ray wsa invented by Wilhelm Konarad in 1895.
.The Loudspeaker was invented by C.W. Rice in 1924.
.The helicopter was invented by Igor Sikorsky in 1939.
.The color TV was invented by Peter Carl Goldmark in 1950.
.The optical fiber was invented by Gordon Gould in 1958.
-T. models. 
-SS repeat chorally.
-SS practice in pairs.
-T. divides the class into 6 groups.
-SS complete the table.
-SS report the information they have got.
5’
IV)Free Practice (Production) :
-Guessing game.
Topic : Inventions.
-SS each choose one invention.
-One student go to the board.
-The other SS ask Yes-no questions until he/ske answer “Yes”.
6’
*Pre Listening :
.Trong những tiết học trước chúng ta đã được học về các làm sô cô la. Trong bài học hôm nay chúng ta sẽ học cách làm giấy.
-Ordering.(prediction)
2 / P.150-151.
-T. sets the scene.
-SS order the sentences.
(guess)
6’
*While listening :
Answer key : c-d-a-e-g-f-b
*Listen / P.150.
*Gapfill.
.Individuals.
Answer key : 1 / P.150.
a.simple 2.same 3.two hundred 4.left 5.rollers
*Tapescript : 
“Papermaking is a simple process. The procedure is almost the same as it was 200 years ago. Look closely at this picture of an old paper making machine. On the left is the pulp vat. Paper pulp was placed in the vat and mixed with a lot of water. The water was then drained and the pulp fibers were poured out of the vat and onto a conveyor belt. The conveyor belt took them under the rollers. There were quite a lot of rollers as you can see. These rollers smoothed the fibers and pressed them dry. The finished paper was then put on a roll at the end. You can see the roll of paper at the far right of the picture.”
-T. presses the tape.
-Ss listen and check their predictions.
-SS listen and fill in the gaps.
-T. gives feedback.
6’
* Post Listening :
-Retell.
Paper making.
-SS retell how to make paper in English or Vietnamese.
2’
V )Homework :
-Learn vocabulary.
- Prepare “Read” / P.151-152.
-T. says and writes “Homework” on C.B.
-SS copy.
Tuần 34
Period 100 : Unit 16 - INVENTIONS– Lesson 3– Read – Page 151-152.
Objectives : By the end of the lesson, students will be able to read a poem about “inventions” to understand main ideas and details.
Materials : Posters.
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Hangman.
.Groupwork.
Topic : Đây là 1 trong các phương tiện thông tin liên lạc.
- - - - - - - - - = telephone.
(9 letters)
-T. gives the topic.
-T. divides the class into two groups.
-SS guess one letter each time.
-The group ( find out the word ) are winners.
14’
II ) Pre reading :
.Pre teach.
-microwave (n) : vi sóng (Translation)
-toaster (n) : máy nướng bánh mì (Explanation)
-vacuum (n) : máy hút bụi (Situation)
-hairdryer (n) máy sấy tóc (visual)
-dishwasher (n) : máy rửa bát (Situation)
-air conditioner (n) : máy điều hòa nhiệt độ ( Explanation)
(up-to-date (a) : hiện đại, hợp thời trang / instrument : dụng cụ / appliance : thiết bị, dụng cụ)
*Trong bài học hôm nay chúng ta sẽ được học những phát minh cho cuộc sống hiện đại trong gia đình.
-Matching.( Predictions).
.Groupwork.
1 / P.152.
Heading : tiêu đề, đề mục nhỏ.
 Answer key :
Verse 1 : b (câu/bài/khổ thơ)
Verse 2 : c
Verse 3 : a
-T. elicits.
-SS guess.
-T. models.
-SS repeat chorally first, then individually.
-T. puts the words on the board.
-T. checks meaning and pronunciation.
-T. sets the scene.
-SS guess.
-SS go to the board to write.
15’
III ) While reading :
*Gapfill.
.Individuals.
Answer key 2 / P.152
1.vacuum 2.telephone 3.dishwasher 4.microwave 5.hairdryer 6.toaster
-SS read the text and check their predictions.
-SS read the text again and fill in the gaps.
-SS go to c.b to write.
-T. gives Feedback.
9’
IV ) Post reading :
-Guessing Game.
. Topic : Inventions.
-T. calls a certain student to go to the board.
-T. gives him “a name of invention”.
-The other SS ask Yes-no question until he answers “yes”.
2’
V )Homework :
-Learn vocabulary.
-Prepare “Write” / P. 152-153.
-T. says and writes “Homework” on C.B.
-SS copy.
Period 101 : Unit 16 - INVENTIONS– Lesson 4 – Write – Page 152-153
Objectives : By the end of the lesson, students will be able to grasp papermaking process and describe how cocoa beans are processed.
Materials : Posters, magnified copies of pictures from the textbook..
Procedure.
Timing
Contents
Teacher’s and students’activities
5’
I )Warmer :
-Matching.(Sequence markers)
.Groupwork.
First a. sau đó
Next b. đầu tiên
Then c. cuối cùng
After this d. kế tiếp
Finally e. sau điều (việc) này
Answer key : 1b 2d 3a 4e 5.c
-T. explains how to do.
-SS work in groups and match the words with their correct meanings.
 -T. corrects.
15’
II ) Pre writing :
.Pre teach.
-log (n) : gỗ khúc (Situation)
-chip (n) : lát mỏng (Situation)
-(to) flatten : dát mỏng, làm cho bằng, phẳng (Mime)
-(to) refine : lọc (trong), tinh chế (Explanation)
-(to) ferment : lên men, men (Situation)
-(to) shell : bóc / lột vỏ (Mime)
-liquor (n ): rượu, nước luộc (thức ăn)(Explanation)
(flavor (n) : mùi thơm, vị ngon, hương vị / powder (n) : bột, bụi / to crush : nghiền nát)
*Trong bài học hôm nay chúng ta sẽ học về quy trình làm giấy và miêu tả quy trình làm sô cô la.
*Quy trình làm giấy. 
-Gapfill.
.Groupwork.
1 / P.152.
Answer key :
1.first 2.then 3.next 
 4.after this 5.Then 6.finally
-T. elicits.
-SS guess.
-T. models.
-SS repeat chorally first, then individually.
-T. puts the words on the board.
-T. checks meaning and pronunciation.
-T. sets the scene.
-SS work in groups and fill in the gaps.
-SS go to C.B to write their answers.
-T. corrects.
15’
III ) While writing :
*Qua các hoạt động vừa luyện tập, chúng ta đã biết các bước trong quy trình làm giấy. 
*Bây giờ các em nhìn vào các bức tranh miêu tả quy trình chế biến ca cao và sắp xếp chúng theo đúng thứ tự.
2 / P.153. Ordering.
.Individuals.
Answer key :
6-2-4-1-5-3
*Bây giờ các em hãy dùng những từ chỉ sự liên tiếp như trong phần Write 1 để sắp xếp những câu trong bài theo thứ tự của tranh và hoàn thành đoạn văn miêu tả quy trình làm sô cô la.
-Write-it-up.
.Individuals.
Suggested writing :
d)First, the fruit harvest is fermented for three to nine days to kill the beans and turn them brown.
a)Then the beans are dried in the sun.
e)Next the beans are cleared in special machines.
c)After this, the beans (they) roasted to bring out the cho

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