All the teacher work on an entirely _______ basis.
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clean and dangerous
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Teacher: Hong Tho Dang
Class: 11A1
Kim’s Game
What sources of energy
do you see?
Warm - up
What sources of energy do you see?
Fossil fuels (oil, coal, and natural gas)
Nuclear energy
Geothermal energy
Wind energy
Water energy
Solar energy
2. New lesson
UNIT 11: SOURCES OF ENERGY
Part A: Reading (1)
UNIT 11: SOURCES OF ENERGY
Part A: Reading (1)
Before you read
+ Task 1
II. While you read
+ Task 2
+ Task 3

What do we need energy for?
We need energy
- to live and work
- to cook
- to light
- to heat or cool the house
- to run machines …
Before you read
5. Which one do you think is the alternative
source of energy?
1. Do sources of energy have any more
advantages and disadvantages?
2. What is our major source of energy?
3. Is this major source limited? Why?
4. How many sources of energy are mentioned
in the text?
The company has a great reserve
of capital.
reserve (n) /ri`zə:v/
sự dự trữ,
vật dự trữ
hạn chế,
có giới hạn
limited (a) /ˈlɪmɪtɪd/
We have only 45 minutes for this
lesson. We have limited time for it.
# unlimited (a)
/ ʌnˈlɪmɪtɪd/
vô tận,
không giới hạn
exhausted (a) /ɪɡˈzɔːstɪd/
= running out = used up
cạn kiệt
kiệt quệ,
alternative (a) /ɔːlˈtɜːnətɪv/
= other:
thay thế
thải ra,
phóng ra,
nhả ra
release (v) /rɪˈliːs/
The sun releases large amounts
of energy every day.
1.reserve (n) [ri`zə:v]
sự dự trữ, vật dự trữ
3.exhausted (a) /ɪɡˈzɔːstɪd/
cạn kiệt, kiệt quệ
4. alternative (a) /ɔːlˈtɜːnətɪv/
thay thế
thải ra, phóng ra, nhả ra
5.release (v) /rɪˈliːs/
New words

hạn chế, có giới hạn
2.limited (a) /ˈlɪmɪtɪd/
vô tận, không giới hạn
unlimited (a)/ʌnˈlɪmɪtɪd/
Checking new vocabulary

The food in the restaurant is cheap, but
the choice is rather ………………….

2. Fuel supplies are nearly …………………

3.They are looking for …………….. methods
of making it.
release
limited
alternative
exhausted
reserve
Task 1: Fill in blanks with suitable words in the following box
Task 2: Scan the passage and fill in the box with a suitable
advantage or disadvantage of alternative sources of energy.
only in a few
no wind no wind energy
unlimited
only possible during sunny days
not only plentiful and
but also clean and safe
...(1)...
clean and unlimited
...(4)...
available
and unlimited
…(5)…
…(2)…
...(3)...
only in a few
no wind no wind energy
unlimited
only possible during sunny days
not only plentiful and
but also clean and safe
...(1)...
clean and unlimited
dangerous
clean
...(4)...
available
and unlimited
…(5)…
…(2)…
...(3)...
expensive
infinite
places
Task 3: Decide whether the following statements are true (T) or false (F).
If they are FALSE, please CORRECT them.
1. Fossil fuels are unlimited.
F
Paragraph 1 line 1, 2
At present, most of our energy comes from fossil fuels (oil, coal,
natural gas). However, such reserves are limited.
limited
2.
Nuclear energy can be very dangerous.
Paragraph 2 line 1, 2, 3
One alternative source is nuclear energy. Nuclear energy can provide
enough electricity for the world’s needs for hundreds of years, but it
can be very dangerous.
T
F
3. Water energy is cheap .
expensive
Paragraph 3 line 8
4.Wind energy is one of alternative
sources of energy .
Paragraph 3 line 1
The sun, water, and the wind are other alternative sources of energy.
T
5. The potential of alternative
sources of energy is enormous .
Paragraph 5 line 1,2
Although there are some disadvantages, the potential of alternative
sources of energy is great.
T
Task 3: Decide whether the following statements are true (T) or false (F).
If they are FALSE, please CORRECT them.
3. Consolidation
Task 4: Base on your reading of the passage, complete the following mind map
(1)
(6)
(2)
(1)
(6)
(5)
(3)
(4)
fossil
natural gas
coal
wind
geothermal
solar energy
4. Practice
BOAT - RACING
GAME
4
1
5
2
3
BOAT-RACING GAME
You win!

B. 4
C. 5
A . 3
According to the passage, how many alternative sources of energy are there?
D. 6
MULTIPLE CHOICE
C. 5
4
1
5
2
3
BOAT-RACING GAME
You win!
MESSAGE
Our major source of energy
(fossil fuels) is limited. We
must save them and develop
alternative sources of energy
Write a short paragraph to talk about
the advantages and disadvantages of
alternative sources of energy.
Thanks for your attention !
5. Further practice
The following statements list some advantages and disadvantages of sources of energy. Read and tick () the appropriate box A (for the advantages) or D (for the disadvantages).



Choose the word which is stressed differently from the rest.
A. resource B. pesticide
C. alternative D. exhausted
2. A. geothermal B. satisfaction
C. enthusiastic D. anniversary
3. A. limited B. release
C. reserve D. potential