Unit 11. Sources of energy

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UNIT 11: SOURCES OF ENERGY
LESSON 1 - READING
I. BEFORE YOU READ
What source of energy does each picture above refer to?
wind energy
solar energy
water power
nuclear power
What can you see in the pictures?
windmill
solar panels
nuclear reactors
hydroelectric dam
[,haidroui`lektrik]
What do people use those things for?
They use them to make energy.
1
2
3
4
Windmill
Wind power
solar energy
solar panels [`soulə] [`pænl]
Water Power
Hydroelectric dam
Nuclear Power
nuclear reactors
geothermal heat [,dʒi:ou`θə:məl hi:t]
What do you need energy for?
We need energy for every daily activities.
1. VOCABULARY
Oil, petrol, coal and gas are fossil fuels
fossil fuels [`fɔsl] [fjuəl]:
nhiên liệu hoá thạch
- energy [`enədʒi] (n) = power [`pauə] (n): năng lượng
- reserve [ri`zə:v]: sự dự trữ
- fossil fuel [`fɔsl] [fjuəl] (n):
- exhausted [ig`zɔ:stid](adj): cạn kiệt
- nuclear [`nju:kliə] (adj):
- geothermal heat [,dʒi:ou`θə:məl hi:t] (n)
- release [ri`li:s]: thải ra, phóng ra
- plentiful [`plentifəl] (adj): nhiều
- infinite [`infinət] (adj) = unlimited (adj): vô tận
- potential [pə`ten∫l] (n / adj): tiềm năng, có tiềm năng
- alternative [ɔ:l`tə:nətiv] (adj): thay thế
- to make use of: tận dụng
- to make full use of: tận dụng tối đa
VOCABULARY
2. Checking vocabulary
fossil fuel (n):
reserve (n):
to exhaust:
alternative (adj):
to release:
limited (adj) #
nhiên liệu hóa thạch
đồ dự trữ để dùng khi cần
làm cạn kiệt
thay thế
phóng thích, thả
infinite : (adj)
# vô hạn
có giới hạn
II. WHILE YOU READ
 TASK 1: Fill each blank with a suitable word.
1.Six hundred balloons were_______ at the ceremony.
2.They are looking for_________methods of making it
3.People use __________to run machines, heat and cool their homes.
4. The food in the restaurant is cheap, but the choice is rather_______
5. Fuel supplies are nearly___________
released
alternative
energy
limited
exhausted
alternative
limited
energy
released
exhausted
TASK 2: Scan the passage and write down the advantage(s) and disadvantage(s) of each alternative source of energy.
It’s unlimited.
It’s clean and unlimited.
It’s clean and unlimited.
There’s no wind energy
when there is no wind.
It’s available.
It’s available only in
a few places.
Nuclear power
Solar energy
Water power
Wind power
Geothermal heat
It can be very dangerous.
It’s not only plentiful and infinite but also clean and safe.
It’s only possible
during the day time.
It’s expensive.
TASK 3: Answer the questions
1. What is our major source of energy ?
2. Is our major source of energy limited ? Why / why not ?
3. How many sources of energy are mentioned in the text ? What are they ?
4. Which source of energy do you think has the most potential?

“LUCKY ANIMAL” GAME
next
What is our major source of energy ?
Our major source of energy comes from fossil fuels.
Is our major source of energy limited ? Why / why not ?
Yes, it is. Because power demand is increasing very rapidly , fossil fuels will be exhausted within a relatively short time .
How many sources of energy are mentioned in the text ?
What are they ?
Five sources of energy are mentioned in the text. They are nuclear power, solar energy, water power, wind power, geothermal heat.
Which source of energy do you think has the most potential?
I think solar energy is the most potential.
III. POST YOU READ
We need energy to live and work. Our major source of (1)_______ is oil. Oil is (2)_____ kind of fossil fuel. The amount of fossil (3)______ in the world is (4)_______ Therefore, we must save it, and at the same time, we must find new sources of energy. Geothermal heat and nuclear power are (5)_________sources of energy. They can give us electricity. Other alternative (6)________are the sun, waves and water. These sources are not only (7)____________and available but also clean and safe for the (8)____________ People should develop and use them more and more in the future.
Complete the summary of the reading passage by filling each blank with a suitable word from the box.
one environment alternative limited
unlimited sources energy fuels
one
fuels
limited
alternative
sources
unlimited
environment
energy
HOMEWORK
Learn new words by heart.
2.Write the answers into notebooks.
3. Prepare Unit 11 . Part B : SPEAKING.


Thank you very much for your attendance !
Bye bye!
See you again !
Lucky animal !
Your answer is incorrect !!
geothermal heat:
Địa nhiệt
Nuclear:
nuclear reactors
nuclear bomb
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