Unit 16: Inventions Lesson 2 Speak+ Lg 1,4

Warmly welcome to our class
Teacher: Nguyen Thanh Giang –

Friday, April 8
th
, 2011
Teacher: Nguyen Thanh Giang –THCS Bạch Liêu Yên Thành-
Nghệ an

I N V E N T I O N
Key
P
Team A Team B
I. Warm –up: Game: Hang man

II. Pre- speaking:

Which inventions do you know?
Inventions
Paper
TV
Radio
Telephone
electric bulb

II.1: Vocabulary:

1. helicopter (n)
= M¸y bay lªn th¼ng


2. Facsimile (n)
= M¸y fax

3. Microphone (n)
= Micr«

4. Loudspeaker (n)
= Loa phãng thanh

5. Reinforced concrete (n)
= Bª t«ng cèt thÐp

Matching:
Helicopter
Loudspeaker
Microphone
Reinforced concrete
Facsimile

III. While- speaking
What is it in the picture?
=> It is a facsimile
1. Pairwork

Student A:
Inventions Date Inventor Nationality
Friedrich Koenig German
1816 Karl D. Sauerbronn
facsimile
1845 Elias Howe American

Reinforced concrete 1849
microphone 1878
loudspeaker 1924 C.W. Rice American
helicopter Igor Sikorsky
colour television

1950 P.C. Goldmark American

Student B:
Inventions Date Inventor Nationality
1924 C.W. Rice
Gordon Gould
Bicycle 1816 German
facsimile 1843 Alexander Bain English
helicopter 1939 American
microphone D.E. Hughes American
Optical fiber 1955
Printing Press

1810 Friedrich Koenig

2. LOOK AT THE TABLE AND REPORT:
Ex: The facsimile was invented by Alexander Bain in 1843
Inventions Date Inventor Nationality
Printing Press 1810 Friedrich Koenig German
Bicycle 1816 Karl D. Sauerbronn German
facsimile 1843 Alexander Bain English
Sewing machine 1845 Elias Howe American
Reinforced concrete 1849 F.J. Monior French
microphone 1878 D.E. Hughes American

loudspeaker 1924 C.W. Rice American
helicopter 1939 Igor Sikorsky American
colour television

1950 P.C. Goldmark American
=> S + tobe + V (pII) + by O

IV. Post- speaking:
IV.1. Lg 1: Change the sentences from
the active into the passive
-Ex: Miss Lien wrote the letter
⇒
The letter was written by Miss Lien
a). Mrs. Quyen typed the document
=>
b). Mr. Nhan repaired the computer
=>
c). Ba drew the picture
=>
d). Hoa turned off the lights.
=>
e). Lan baked the cake.
=>
The lights were turned off by Hoa.
The picture was drawn by Ba
The document was typed be Mrs. Quyen
The computer was repaired by Mr. Nhan
The cake was baked by Lan.

IV.2.Lg 4: Use the sequence markers first,

then , next, after this, finally to desribe how
white rice is produced in the traditional way.
The pictures and prompts will help you.
First, the rice crop is harvested
Next, the rice grains are husked in
the mill to produce brown rice.
Then the rice plants are threshed.
After this, the bran is removed in
the motar and it is finally winnowed
to producw white rice.

Who was loudspeaker invented by?
B. C.W. Rice
B. C.W. Rice
D. Alexander Bain C. F.J. Monier
A. Elias Howe
50:50

When was the bicycle invented?
D. in 1816
B. in 1843
D.in 1816 C. in 1878
A. in 1810
50:50

What is Nationality of Friedrich Koenig?
C. German
B. American
D. French C.German
A. English

50:50

Who invented the telephone?
A. Alexander.G. Bell
B. GoldMark
D. Thomas Edison C.Jame watts.
A. Alexander.G.Bell
50:50