Bài giảng Tiếng Anh Lớp 11 - Tiết 65, Unit 11: Sources of energy (Speaking)

Welcome to my lesson ! 
UNIT 11: SOURCES OF ENERGY 
Speaking 
 Period:65 
Water Power 
Hydroelectric dam 
Windmill 
Wind power 
Solar panels 
Solar energy 
Nuclear Power 
Nuclear reactor 
Geothermal heat 
reactor / ri:'ổktə / ( n) : 
 lò phả n ứng 
limited / 'limitid / ( adj ) : 
 hạn chờ́, có giới hạn 
unlimited / ʌn'limitid / ( adj ): 
 khụng giới hạn 
renewable / ri'nju:əbl / ( adj ) : 
 cú thể thay thế 
non-renewable / ,nɔn ' ri'nju:əbl / ( adj ): 
 khụng thờ̉ thay thế 
Vocabulary 
Task 1 . The following statements list some advantages and disadvantages of various sources of energy. Read and tick ( ) the appropriate box A ( for the advantages ) or D (for the disadvantages ), then compare the results with partner’s. 
A 
D 
1.Fossil fuels will be exhausted within a relatively short time . 
2.Geothermal heat is available only in the few place in the world. 
3.If the wind does not blow, there is no wind energy. 
4 . Water power provides energy without pollution. 
5.A nuclear reactor releases radiation which is dangerous to the environment. 
6. Solar energy is not only plentiful and unlimited but also clean and safe. 
7.It is expensive to built a dam for hydroelectricity. 
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Task 2: Work in pairs. Talk with your friend about the advantages and disadvantages of using each alternative sources of energy , using the suggestions from Task 1. 
 Why do you think so? 
 I think that wind power can be an alternative source of energy....... 
Sources of 
energy 
Advantages 
Disadvantages 
Nuclear 
energy 
Geothermal 
heat 
Solar energy 
Wind power 
Water power 
It is available 
It can be dangerous 
It is unlimited 
It is not only plentiful 
and infinite but also 
 clean and safe 
It is clean 
and unlimited 
It is clean and 
unlimited 
It is only available in 
some places 
It is only possible 
during the day time 
If the wind doenn’t 
blow,there is no 
wind no energy. 
It is expensive to 
built a dam 
for hydroelectricity 
A: I think that can be an alternative sources 
 of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while 
Example : 
wind power 
 (1) 
the wind is abundant and unlimited. 	 (2)	 
it is also clean and safe to the environment. 
	(3) 
it is not available when there is no wind. 
 (4) 
However, 
B: I know 
A: I think that _______(1)___________ can be an alternative source of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while __________(2)____________ . 
However, _________(4)_____________ . 
B: I know ___________(3)____________. 
(1): solar energy 
(2): solar energy is plentiful and infinite. 
(3): It is also clean and safe to the enviroment . 
(4): It is only possible during the day time. 
A: I think that solar energy can be an alternative sources 
 of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while the solar energy is plentiful and infinite. 
However, it is only possible during the day time. 
B: I know it is also clean and safe to the environment. 
A: I think that _______(1)___________ can be an alternative source of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while __________(2)____________ . 
B: However, _________(3)_____________ . 
(1): nuclear power 
(2): nuclear power is unlimited 
(3): It can be very dangerous. A nuclear reactor releases radiation which is harmful to the environment. 
A: I think that _______(1)___________ can be an alternative source of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while __________(2)____________ . 
However, _________(4)_____________ . 
B: I know ___________(3)__________________ . 
(1): water power 
(2): water is unlimited 
(3): It also provides energy without pollution. 
(4): It is expensive to build a dam for hydroelectricity 
A: I think that _______(1)___________ can be an alternative source of energy. 
B: Why do you think so? 
A: Because our major sources of energy are running out while __________(2)____________ . 
However, _________(3)_____________ . 
B: 
(1): geothermal heat 
(2): this heat is available. 
(3): It is possible only in a few places in the world. 
thank you !