our class
Welcome
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ELECTRICITY
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WIND
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WARM UP
LESSON 3:
LISTENING
UNIT 11: SOURCES OF ENERGY
ecologist (n)
fossil fuels
resource (n)
unlimited (adj)
fertilize (v)
nitrogen (n)
oxygen (n)
carbon dioxide (n)
[`fɔsl `fjuəl]

nha` sinh tha?i ho?c
[ri`s?:s ; ri`z?:s]
tài nguyên
[ʌn`limitid]

vô tận, vô kể
[`f?:tilaiz]
bón phân
[`naitr?d??n]
Nito (N)
[`k?:b?n dai`?ksaid]


[`?ksid??n]
khi? Oxy (O)
nhiên liệu hoá thạch
[i`k?l?d?ist]

cacbon dioxyt
(co2)
Matching
a. make fertile or productive
e. a biologist who studies the relation between organisms and their environment
c. a source of aid or support that may be drawn upon when needed
2. resource
3. fertilize
4. vital
5. unlimited
1. ecologist
b. very necessary; highly important; essential

d. infinite; not restricted
1 e 2 c 3 a 4 b 5 d
Look through task 1 and give your prediction.
EXCHANGE YOUR GUESSES
Let`s listen !
Task 1
Listen and complete the sentences by circling the letter A,B,C or D.
EXCHANGE YOUR ANSWERS
Let`s check !
Task 1
1. Ecology is the study of…………………
human beings and animals
the environment and solar energy
natural and alternative resources

human beings and their environment
a
b
c
d
2. The natural environment consists of………….
the oceans and the land
the sun and the air
all natural resources
the air and the oceans
a
b
c
d
3. If the resource can be…………….,
it is called renewable.
burnt quickly
used easily
divided properly
replaced quickly
b
c
d
a
4. Grass for animals is a…….......…
resource.
renewable
nonrenewable
limited
clean
a
b
c
d
5. According to the passage, coal is
nonrenewable because it takes …………to
make coal.
billions of years
millions of years
three millions of years
three billions of years
b
c
d
a
Look through task 2 and give your prediction.
EXCHANGE YOUR GUESSES
Let`s listen !
Task 2
Task 2.Listen to the last part of the talk and write in the missing words
1.
2.
3.
4.
5.
unlimited
atmosphere
may
gases
amounts
Watch a video clip.
Put the sources of energy in the video into to groups: Renewable and non-renewable.
Discuss the question: Being smart energy users what kind of energy do you choose. Why?
Watch a video clip.
Put the sources of energy in the video into to groups: Renewable and non-renewable.
Discuss the question: Being smart energy users what kind of energy do you choose. Why?
Make sentences with the new words.
Prepare for the next lesson: WRITING
T
h
a
n
k
y
o
u
f
o
r
i
o
n
j
i
n
g
u
s
!!! The lesson is over !!!
n
Coal
Geothermal heat
Petroleum
Solar energy
Oil
Wind energy
Gas
Water
Nowadays people are encouraged to use renewable sources of energy. Why?


c. a biologist who studies the relation between organisms and their environment
a. make fertile or productive
5.carbon dioxide
6.oxygen
2.resources
e. O
d. co2
b. A source of aid or support that may be drawn upon when needed
3.fertilize
4.nitrogen
b.N
1c 2g 3a 4b 5d 6e
.
1. ecologist
3. fertilize
2. resource
4. vital
5. unlimited
6. excitement
b. make fertile or productive
d. infinite; not restricted
.
e. a source of aid or support that may be drawn upon when needed
f. very necessary; highly important; essential.
A
B
1
2
3
4
5
6
D. biologist who studies the relation between organisms and their environment
[i`k?l?d?ist]

[ri`s?:siz ; ri`z?:siz]
[`f?:tilaizd]
[`k?:b?n dai`?ksaid]


cacbon dioxyt
3. Fertilize (v)
1. Ecologist (n)
2. Resources (pl. n)
5. carbon dioxide (n)
4. Nitrogen (n)
6. Oxygen (n)
[`?ksid??n]
khi? Oxy (O)
[`naitr?d??n]
Nito (N)
bón phân
nha` sinh tha?i ho?c
ta`i nguyên
(co2)
ecologist
fossil fuels
resource
unlimited
renewable
fertilize
nitrogen
oxygen
carbon dioxide
N
E
R
G
Y
E
ELECTRICITY
GAS
WATER
FUELS
WIND
NUCLEAR
G
R
E
N
E
Y
2
3
4
5
6
1
WARM UP
Work in pairs to list the things you use energy for in your house.