UNIT 11: SOURCES OF ENERGY
PART C: LISTENING
BEFORE YOU LISTEN
Work in pairs
List some of the things you use energy for in your house
What sources of energy are available in their house
VOCABULARY
ecologist (n)
 ecology (n)
fertilized (adj)
vital (adj)
conserve (v)

nhà sinh thái học
sinh thái học
được làm tươi tốt
rất quan trọng
bảo tồn
BEFORE YOU LISTEN
Listen and repeat
ecologist
fossil fuels
Resources
unlimited
renewable
fertilized
Listen and answer the question
How many kinds of natural resources are mentioned? What are they?
 There are two kinds: renewable and non-renewable.

TASK 1.
Listen and complete the sentences by circling the letter A, B, C, or D.
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 call renewable.
burnt quickly
used easily
divided properly
replaced quickly
?
a
b
c
d
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
?
a
b
c
d
TASK 2. Listen again and fill in the missing words
Solar energy, air, and water are renewable
resources because there is ……….........Supply.
However, this definition may change if people
are not careful with these resources. The amount
of solar energy that reaches the earth depends on
the……………….If the atmosphere is polluted,
the solar, the solar energy that reaches the earth
…………………..be dangerous. If life is going to
continue, the air must contain the correct amount
of nitrogen (N), oxygen (O), carbon dioxide (CO2),
and other ……………… if humans continue to
pollute the air, it will not contain the correct…………
of these gases.
unlimited
1
2
3
4
5
?
atmosphere
may
gases
amounts
AFTER YOU LISTEN
Which group do these sources of energy belong to? Put a tick in the right column.


Coal


Geothermal heat



Petroleum



Solar energy


Oil


Wind energy

Gas
Homework
Learn the new words, and prepare for part D - WRITING