Giáo án Tiếng Anh 8 - Unit 16, period 49, lesson 2

Date : May…………,2009 Unit 16(cont) INVENTIONS 
 Period : 48th 
 Lesson 2- Speak and Listen
Aim
 Students will be talk about the inventions using the passive
 Students can fill in the gaps and order sentences from listening
Language contents:
Grammar : Passive form
 Vocabulary : facsimile , loudspeaker, helicopter, procedure , pulp , vat , drain , roller, roll
Techniques:
 Bingo, Guessing game
Teaching aids:
Pictures, tape , transparency , flash cards …
Procedures:
Teacher’s and Ss’ activities
Content
Get Ss to brainstorm a list of 9 words & write them on the board
T asks Ss to choose 3 words and copy them in their paper 
Call out the words until someone has ticked all of his/her words & shouts bingo
T presents new words 
T uses the situations , explanation , realia Ss copy down 
- Checking technique slap the board 
-T corrects if necessary 
-T asks Ss to read the dialogue on page 148 again & pick out all of the passive sentences
- T calls on Ss to give their answer
- Have Ss review the passive in the present & past simple tenses
 -Ss work in pairs
-T calls on some Ss to give their answers
-Ss write their answers on the board
-T corrects if necessary 
- Have Ss read the model dialogue on page 149
- Let Ss know what they are going to do .Ask & answer questions about the inventions to fill in the missing information
- Ask Ss to look at the tables on page 150 and 156 and model the exchanges, using a good student
- T asks Ss to work in pairs (P /150 + P/156)
- T asks Ss to ask and answer the questions orally then fill in the missing information
- Monitor and help Ss if necessary
- T calls on some pairs to demonstrate the exchange 
- Ss give feedback
- T asks Ss to copy the complete table
-T asks Ss to use the information in the table write 12 complete sentences in their notebooks
-Ask Ss each think of an invention or write it down on a 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
- The chosen student can only answer yes or no
-T presents new words
-T uses the realia , translation to introduce new words
-Ss copy 
- Have Ss play game “what and where ” to check new words
- T plays the tape 2 or 3 times and ask to fill in the gaps with the words they catch
- Ask Ss to compare their answers with their partners 
- Call on Ss to give their answers
-Give feedback & correct
-Ask Ss to read the sentences (a-> g) carefully and guess the order
-Write the Ss’ predictionns on the board
-Play the tape again & ask Ss to listen
-Call on Ss to give their correction
-Give feedback & correct
- T calls on some Ss to go to the board and write their sentences 
- Ss give feedbacks and give marks
I SPEAK:
Warm up:( 5’)
Bingo :
foreman
process
manufacture
liquefy
remove
crush
grind
pour
mold
2. Pre-speaking (15ms)
Vocabulary:
-facsimile (n) maùy fax
- reinforced concrete : beâ toâng coát theùp
- microphone (n) 
- x- ray (n) 
- loudspeaker (n) loa phoùng thanh
- Helicopter maùy bay leân thaúng , tröïc thaêng
Answer key 
This is where the cocoa beans are stored 
(present simple)
That button can not be touched
 ( passive with model)
The beans are washed, weighed and cooked here
After the shells are removed …into molds
 3. While- speaking(15’)
EX:
T : What was invented by Fried rich Koenig
S : Printing press
T: in 1810
S : Where was Koenig from ?
T: He was invented by C.W.Rice in 1924 ?
T : Loudspeaker
S: Where is C . W Rice from ?
T: The USA
ANSWER KEY:
INVENTION
DATE
INVENTOR
NATION-
-ALITY
Printing Press
1810
Friedrich Koenig
German
Bicycle
1816
KarlD.Sauerbronn
German
Facsimile
1843
Alexander Bain
English
Sewing machine
1845
Elias Howe
American
Reinforced concrete
1849
F.J.Monier
French
Microphone
1878
D.E.Hughes
American
X - ray
1895
Wilhelm Konarad
German
Loudspeaker
1924
C.W.Rice
American
Helicopter
1939
Igor Sikorsky
American
Color television
1950
Peter Carl
 Goldmark
American
Optical fiber
1955
Narinder Kapany
German
Laser
1958
Gordon Gould
American
4. Post – speaking :(8ms)
Write 12 sentences (passive form)
(using the information)
II.LISTEN:
1.Warm up : (5ms)
Guessing Game
What invention ?
EX: Are you thinking of …?
 2.Pre - listening: (15ms)
New words :
procedure (n) 
pulp ( n)
What is the used to make paper?
Vat (n) 
Drain (explanation)
(to make something empty or dry by removing all the liquid from it)
roll (n)
 3. While - listening: (15ms )
Gap fill: (listen 1)
Listen and fill in the gaps in these sentences
ANSWER KEY:
 1.simple
same
two hundred
left
rollers
4. Post – listening(8 ms)
Ordering prediction (listen 2)
ANSWER KEY:
C/ Paper pulp was placed in the rat
D/ Paper pulp was mixed with water 
A/ The water was drained
E/ The pulp fibers were poured out
G/ The pulp was conveyed under the rollers
5.Homework (2’)
- Write 12 sentences(using information in the table )
- Learn by heart new words 
- Prepare Read
 Kieåm dieän HS
 8A 1………………………………………….
 8A 3………………………………………….
 8A 5………………………………………….
 8A 6………………………………………….
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