Unit 11 Sources of energy

LESSON 1 - READING


I. BEFORE YOU READ


What can you see in the pictures?
What do people use those things for?
wind energy

1

solar energy

2

windmill
solar panels

What
Theysource
use them
of energy
to make
does
energy.
each picture above refer to?
nuclear power

3

water power

nuclear reactors
hydroelectric dam
[,haidroui'lektrik]

4


Windmill

Wind power


solar panels ['soulə] ['pænl]

solar energy


Hydroelectric dam

Water Power


nuclear reactors


geothermal heat [,dʒi:ou'θə:məl hi:t]

What do you need energy for?
We need energy for every daily activities.


C
O
V
.
1

Y
R
A
ABUL


VOCABULARY
energy ['enədʒi] (n) = power ['pauə] (n): năng lượng
reserve [ri'zə:v]: sự dự trữ
fossil fuel ['fɔsl] [fjuəl] (n): nhiên liệu hóa thạch
exhausted [ig'zɔ:stid](adj): cạn kiệt
nuclear ['nju:kliə] (adj): (thuộc) hạt nhân/ nguyên tử
geothermal heat [,dʒi:ou'θə:məl hi:t] (n) địa nhiệt
release [ri'li:s] (v) = discharge (v): 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


2. Checking vocabulary

1. fossil fuel (n):
2. reserve (n):
3. to exhaust:
4. alternative (adj):
5. to release:
6. limited (adj) #
có giới hạn

nhiên liệu hóa thạch
đồ dự trữ để dùng khi cần
làm cạn kiệt
thay thế
phóng thích, thả
infinite : (adj)
# vơ hạn


II. WHILE YOU READ


 TASK 1: Fill each blank with a suitable word.
alternative limited energy released exhausted
released at the ceremony.
1.Six hundred balloons were_______
alternative

2.They are looking for_________methods
of making
it
energy

3.People use __________to run machines, heat and
cool their homes.
limitedin the restaurant is cheap, but the choice is
4. The food
rather_______
exhausted

5. Fuel supplies are nearly___________


TASK 2: Scan the passage and write down the advantage(s) and
disadvantage(s) of each alternative source of energy.
Sources of energy
Nuclear power
Solar energy
Water power

Advantage(s)
It’s unlimited.
It’s not only plentiful
and infinite but also
clean and safe.
It’s clean and unlimited.

Disadvantage(s)

It can be very
dangerous.
It’s only possible
during the day time.
It’s expensive.

Wind power

It’s clean and unlimited. There’s no wind energy
when there is no wind.

Geothermal heat

It’s available.

It’s available only in
a few places.


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?


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.