WELCOME TO OUR CLASS, 11/13
Look at the following pictures and answer the question?
What kinds of energy can you see?
Geothermal heat
Nuclear power
Water power
Wind power
Solar energy
2
1
3
4
5
What do people use those things for?
They use them to make energy.
Do we need energy in our daily life?
What for?
What do you need energy for?
We need energy for every daily activities.
In our house, we use energy for ......
heating
cooking
washing
lightning
Lesson 1:Reading
Unit 11:
sources of energy
VOCABULARY
Oil, petrol, coal and gas are fossil fuels
fossil fuels [`fɔsl] [fjuəl]:
nhiên liệu hoá thạch
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]
1
2
3
4
geothermal heat [,dʒi:ou`θə:məl hi:t]
energy [`enədʒi] (n) = power [`pauə] (n): năng lượng
reserve [ri`zə:v]: sự dự trữ
exhausted [ig`zɔ:stid](adj): cạn kiệt
nuclear [`nju:kliə] (adj): thuộc về hạt nhân
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: sử dụng
to make full use of: tận dụng
VOCABULARY
Match the words and phrases with their meanings
Key: 1-c 2-d 3-g 4-f 5-b 6-e 7-a
1
2
7
3
4
5
6
 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
While reading
Task 2/ page 126
Scan the passage and write down the advantage(s) and disadvantage(s) of each alternative source of energy.
Unlimited
Very dangerous.
Nuclear power
Plentiful , infinite, clean and safe.
Produced only in daytime
Solar energy
Clean and safe
Must build dams , so expensive
Water power
Clean and unlimited
Not available when there is no wind
Wind power
Clean and safe
Available only in a
few places.
Geothermal heat
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.
Answer the following questions
At present, most of our energy comes from fossil fuels (oil, coal, and natural gas). However, such reserves are limited . Because power demand is increasing very rapidly, fossil fuels will be exhausted within a relatively short time. Therefore, people must develop and use alternative sources of energy.
What is our major source of energy ?
Is our major source of energy limited ? Why / why not ?
How many sources of energy are mentioned in the text ?
What are they ?
Geothermal heat
Nuclear power
Water power
Wind power
Solar energy
POST READING
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
SUMMARY
27
GEOTHEMAL?
NUCLEAR?
WIND?
WATER?
available but only in a few places
unlimited and very dangerous
clean and unlimited but if no wind no energy
clean and unlimited but expensive.
ENERGY
Talk about sources of energy
SOLAR?
Plentiful, infinite, clean and safe but possible during the day time
28
tide
gas
solid
biomass
nuclear
sun
coal
oil
fossil fuel
wind
wave
water
Sources of energy
HOME WORK
+ Learn new words by heart and make sentences with them.
+ Prepare speaking lesson
+ List some advantages and disadvantages of
various sources of energy
Good bye and see you again!
Thank you for your attendance !