Giáo án Tiếng Anh 8 unit 16: Inventions

Giáo án Tiếng anh lớp 8.
Unit 16: INVENTIONS
Division of periods:
1. Listen & read
2. Speak
3. Listen
4. Read
5. Write + Focus 4
6. Focus 1, 2, 3

Unit 16:

Lesson 1 Listen and read

I. Objectives: Ss can know the origin of paper and talk about the process of producing something
II. Language contents:
1.Vocabulary:

remove (v)

process (a)

crush (v)

mold (n)

liquify (v)

conveyor belt

grind (v)

manufacture (v)
2. Grammar:none
III. Techniques: quiz, matching, open_Prediction, grid
IV. Teaching aids: Cassette, Pictures, grid chart
V. Procedures:
Teacher and students’ activities
1. Warm up(5’)

Contents
Marks

T tells the teams to raise their hands when T ** Quiz _ who did it ?
finished the questions

Who was the inventor of ...? or who invented ...?

Get Ss to look at the pictures on page 147 and Getting started
ask them some questions to evaluate how much
they understand the pictures

Where are they form ? (picture a, b, c)
What is the man in picture a) doing ?

Ask Ss to read the sentence (AE) and match What is it ? (d)
them with the correct pictures
Call on some Ss to give their answers


Give feedback and correct
Answer key:

A. b)
B. c)
C. e)
D. a)
E. d)
2. Presentation (10’)
Elicit words form Ss

II. Pre_teach vocabulary
Remove (v)
Liquify (v)

Ss repeat and say meaning

Crush (v)
Grind / ground / ground
Manufature (v)= produce
Process (n)

Ss copy

Mold (n)
Conveyor belt

T sets the scene: Tim Jones, Hoa’s American

II. Open prediction

penpal, is visiting a chocolate factory with his
class and his teacher. Mrs Allen, now, guess

who will show them around the factory and
what they will learn from this visit
Ss guess
T writes Ss’ prediction on the board
T plays the tape and asks Ss to listen while 3. Practice (15’)
reading then dialogue on page 148
Ask Ss to match the half sentences on page 149
Have Ss compare their answer with their
pictures
Answer key
E a)
D b)
C c)
F d)


B e)
A f)
Put the gird on the board and have Ss copy

4. Consolidation (10’)

Ask Ss to read the dialogue again and fill in the Grid
grid

chocolate
manufacture process

Answer key
1. The beans are washed, weighed and cooked

2. The shells are removed
3. The beans are crushed and liquefied
T calls on some pairs to go to the board to write 4. Cocoa butter, sugar, vanilla and milk are added
their answers

5. The mixture is ground, rolled and poured into the molds

Give feedback and correct

5. Homework (5’)
- Learn by heart new words
- Rewrite the grid using sequence markers (first, next,
then,....., finally)
- Prepare: Speak
Remarks:................................................................................................................................................................
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Period:99
Unit 16:

Lesson 2 Speak

I. Objectives:
Ss can talk about the inventions using the passive
II. Language contents:
1. Vocabulary:
Facsimile

X_ray

Reinforced concrete

Loudspeaker

Microphone

Helicopter

2. Grammar: none
III. Techniques: Bingo, Word_cue drill, Making reports
IV. Teaching aids: Tables
V. Procedures:
Teacher and students’ activities

Contents
1. Warm up (5’)
** Bingo (Revision)

Get Ss to brainstorm a list of 10 words and write (foreman, process, manufacture, remove, crush, liquify,
them on the board

grind, pour, mold, conveyor belt)

Ask Ss to choose any 4 words and copy them into
their paper call out the words until someone has
licked all of his/ her words and shouts “Bingo”
2.Pre_speaking (10’)

T has Ss study the meanings of the inventions I. Pre_teach voc
usiing Vietnamese

1. Facsimile
2. Reinforced concrete
3. Microphone
4. X_ray
5. Loudspeaker
6. Helicopter

Ask Ss to read the dialogue on page 148 again and II. Grammar Awareness
pick out all of the passive sentences
Call on Ss to give their answer
Have Ss review the passive in the present and past
simple tenses

Asnwer key
1) This is where the cocoa beans are stored ( pre,


simple)
2) That button can not be touched (passive with
model)
3) The beans are washed, weighed and cooked here
4) After the shells are removed........into molds
3. While_speaking (15’)
T asks Ss to ask and answer questions about the
inventions to the fill in the missing information
Ask Ss to look at the tables on page 150 and page
156 and model the exchanges, using a good student

T: What was invented by Friedrich Koneig ?
S: Printing Press
T: When wa it invented ?
S: In 1810
Ss work in pairs

T: Where was Koenig form ?

Ss ask and answer then fill in the missing S: He was from Germany
information
Monitor and help Ss if necessary
Ss practice before class
Have Ss copy the complete table
Model and have Ss repeat

4. Post (10’)

Ask Ss to use the comlete table to report what they *** Making reports
have found

Eg: The printing press was invented by Friedrich
Koenig in 1810
5. Homework(5’)
- Use the information in the table to write 12 complete
sentences in the..........

- Prepare : Listen
Remarks:................................................................................................................................................................
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Period: 100
Unit 16:

Lesson 3 Listen

I. Objectives:
Ss can fill in the gaps and order sentences from listening. They can know more information about
papermaking
II. Language contents:
1 . Vocabulary:
procedure (n)

microware (n)

pulp (n)

vacuum (n)

vat (n)

foaster (n)

drain (v)
roller (n)
roll (n)
2 . Grammar:none

III. Techniques: Guessing game, What and Where, Matching, Gap_Fill
IV. Teaching aids: cassette, picture (p 150)
V. Procedures:
Teacher and students’ activities

Contents
1. Warm up (5’)

Ask Ss each think of an invention or write it Guessing game

What invention ?

down on piece of paper
Call on 1 student to the front of the class or ask
the rest of the Ss. Ask him / her Yes / No
question

Eg: Are you thinking of................?

The chosen student can only answer Yes or No
2. Pre_listening (10’)
Elicit words from Ss

Pre_teach vocabulary
Procedure (n)
Pulp (n)
(What is used to make paper ?)
vat (n)

Ss repeat and say the meaning

drain (v)
roller (n)
roll (n)
What and Where


Procedure
drain

Pulp

vat

roller

roll

Inform the topic: paper_making process

3 . While_listening (15’)

Have Ss read the sentences
Play the tape 2 or 3 times and ask Ss to fill in the
gaps with the words the catch
Call on Ss to give their answers

Answer key
1. simple

3. two hundred

2. same

4. left

5. rollers

Ask Ss to read the sentences (a_g) carefully and 4. Post_listening (listen 2) (10’)
guess the order
Play the tape again and ask
Ss to listen
Give feedback and correct

Answer key:
c)
d)
a)
e)
g)
5. Homework (5’)
_ Do exercises in the workbook, page 96
_ Prepare: Lesson 4 Read

Remarks:................................................................................................................................................................
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Period : 101


Unit 16:

Lesson 4 Read

I. Objectives:
Ss can understand the content of the poem . They can know more information about inventions
II. Language contents:
1 . Vocabulary: Microwave (n)

Vacuum (n)

Toaster (n)

Hairdryer (n)

2 . Grammar:none
III. Techniques: Bingo, Matching, Gap_Fill , Brainstorm , Guessing game
IV. Teaching aids: cassette
1. Warm up (5’)
T asks Ss to work in pairs and make a list of

* Brainstorm

modern equipment in their home

household
appliances

- washing machine
- dishwasher
-refrigerator
.......................
T presents some new words

2/ Pre_reading (10’)
Pre_teach vocabulary:

Ss repeat and say the meaning

Microwave (n)
Vacuum (n)
Toaster (n)
Hairdryer (n)
Dishwasher (n)
** Bingo
3/ While_reading (15’)
Matching (read 1)

Ss listen to the tape about the content of the
poem
Get Ss to read the poem on page 151
Ask Ss some questions to help them understand • What’s the 1st verse about ?

Dishwasher (n)........


the reading more

• Is the 2nd verse about the appliances used in the
kitchen ?
• What are “doom, chugga_chug, vroom, boom” ?

Have Ss match the headings to the verses on page
152
Call on Ss to give their answers
Give feedback and correct

Answer key
Verse 1: b
Verse 2: c
Verse 3: a (10’)
Gap_fill

Tell Ss to read the sentences and fill in the gaps
with the inventions taken from the poems
Have Ss compare their answers with their
partners
Ss give their answer and correct

Answer key
1. vacuum

4. microwave

2. telephone

5. hair dryer

3. washing machine

6. toaster

Guessing game
EX: Is it used to clean and dry our hair ?
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5. Homework (5’)
_ Do exercises in the workbook, page 96
_ prepare: Lesson 4 Write + Focus 4
Remarks:................................................................................................................................................................
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Period: 102
Unit 16:

Lesson 5 Write + Focus 4

I. Objectives:
Ss can use the sequence markers to describe a manufacturing procedure
II. Language contents:
1 . Vocabulary: log(n) flatten (v) refine(v)

chemically(adv)

2 . Grammar:none

III. Techniques: Jumbled words, rub out and remember, Ordering pictures, word cue drill
IV. Teaching aids:pictures( p 153), cardboard
V. Procedure:
Teacher and Ss’ activities

Contents
1. Warm up (5’)

Put the cardboards with jumbled words on the board

Jumbled words

Inform the topic: words relate to papermaking 1.
procedure
lppu

= Pulp

Ask each group to write their answer on a piece of 2

= roller

llreor

paper to hand in

moreever

darniver

3.
=remove
4.
=drain
5.

berifver

=fibre

2. Pre- writing (10’)
Elicit words from ss

Pre-teach vocabulary

Ss repeat and say the meaning

Log(n) : a thick piece of wood that is cut from a tree
Flatten(v) : to make sth become flat
Refine(v)
Chemically(adv) : treated in a chemical process


Ss play the game

Rub out and remember

Ask ss to read the text on page 152 and fill in the gaps 3. While- writing (15’)
with the right sequence markers to describe the

Write 1

procedure of paper-making

+ What is cut into chips ?

Ask ss some questions to check if they understand the

+ What are chips mixed with before they are crushed

text

to heavy pulp ?
+ Why is the pulp passed through rollers?

Call on some Ss to read the completed sentences

+ What is the last step in paper- making ?

Give feedback and correct

Answer keys:
1. First

3. next

5. Then

2. Then

4. after this

6. finally

Have Ss look at the picture on page 153

Write 2

Ask Ss to put the pictures in the correct order

** Ordering pictures
Answer key: 2-4-1-5-3-6

Ask Ss to rearrange the sentences on page 153

Write:

according to the ordered pictures

1d-2a-3e-4c-5b-6f

Call on Ss to give their answer
Have Ss use the sequence markers to link the
sentences together in a paragraph

4. Post- writing (10’)

Ss write a description of how white rice is produced

Language focuc 4

In the traditional way, using the sequence markers

Answer keys

Have Ss complete the sentences orally first

First, the rice crop is harvested. Then the rice plants

Ss write

are threshed ( to seperate the grains from the straw).

Give feedback and correct

Next ( After this), the rice grains are husked in the
mill to produce brown rice. After this, the bran is
removed in the mortar and it is finally winnowed to
produce white rice
5. Homework (5’)
- Learn new words
_ Prepare Language focus 1,2,3

Remarks:


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Period: 103

Unit 16:

Lesson 6 Language focus 1,2,3

I. Objectives:
Ss can change active sentences into passive ones and write WH questions in the passive
II. Language contents:
1 . Vocabulary:run a busuness/ company around the corner due to

flood(n)

zipper(n) xerography(n)

2 . Grammar:Passive voice
III. Techniques: Pelmanism. slap the board
IV. Teaching aids: cardboards
V. Procedure:
Teacher and Ss’ activities

Contents
1. Warm up (5’)

Inform the topic “ Infinitive- Past participle

Pelmanism

Divide the class into 2 teams

Infinitive

Past Participle

Write

written

Draw

drawn

Sell

sold

Win

won

Run

run

T presents new words

2. Pre- teach (10’)

Ss copy

Pre- teach vocabulary
run a busuness/ company (v)

around the corner = every year
due to
flood(n)

= because of
( There might be.............. when it rains

heavily for days)
zipper(n)
xerography(n)
T checks vocabulary

Slap the board

Have Ss do exercise 1 on page 154

3. While (15’)

Ss write the sentences on the board

Language focus 1


T corrects

Answer keys
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

Ss practice

Language focus2

Ss write on cardboards

Answer key

T corrects

a/ was awarded

Ss copy

b/ won
c/ ran
d/ was run/ was sold
f/ was closed ( closed)

Go through the underlined words with Ss before have

Language focus 3

them write questions

Answer key

a/ The zipper-> what

a/ What was invented by W.L judson in 1893?

b/ Maize-> what

b/What was brought into Vietnam by Phung Khac

in the 16th century-> when

Khoan? When was maize brought into Viet Nam ?

c/ by Lewis Waterman-> who

c/ Who invented the fountain pen ? When was the

e/ in Hungary-> where

fountain pen invented ?

e/ in copying machines-> in which machine

d/ Where was the ballpoint pen invented ?

Ss write questions

e/ In which machine is xerography widely used ?

Have Ss change the passive sentences into the active

4. Post (10’) Marks

ones

Transformation drill (Focus 3)

T gives feedback and corrects
5. Homework ( 5’)
- language focus 1,2: Turn the sentences into the
active if possible
- Do the exercises in workbook