UNIT 11 sources of energy

Solar energy

Tide power

wind power

water power

Nuclear
power plant

Geothermal
heat


 Ecologist /i'kɔləʤist/(n)
 nhà sinh thái học
 This is a famous ecologist


 resources /ri'sɔ:siz/ (n)
 tài nguyên
 Vietnam is a country with
abundant natural resources


 renewable /ri'nju:əbl/ (adj)
 có thể hồi phục lại, có thể
thay mới, có thể đổi mới

 Solar energy is one of
renewable resources


 Fossil /'fɔsl/
 hoá đá, hoá thạch
 Fuels /fjuəlz/
 chất đốt, nhiên liệu
 Fossil fuels:
 nhiên liệu hoá thạch
 Coal is one kind of fossil fuels


 Unlimited /ʌn'limitid/ (adj)
 không giới hạn, vô vùng,
vô tận, vô kể
 Wind power is unlimited.


 fertilized /'fə:tilaizd/
 làm cho phì nhiêu, làm
cho màu mỡ (đất)
 The soil is fertilized.


 Ecologist
 Resources
 Renewable
 Fossil fuels
 Unlimited

Fertilized


Task 1. Listen and complete the
sentences by circling the letter
A, B, C or D
1. Ecology is the study of _____.
A
B
C
D

. human beings and their
environment
. the environment and solar energy
. natural and alternative resources
. human beings and animals


2. The natural environment
consists of _______________.
A.The oceans and the land
B
B.All natural resources
C.The sun and the air
D.The air and the oceans


3. If the resource can be _______,
it is called renewable.

A
A.replaced quickly

B.divided properly
C.burnt quickly
D.used easily


4. Grass for animals is a
__________ resource.
A.limited
B
B.renewable
C.nonrenewable
D.clean


5. According to the passage, coal
is nonrenewable because it
takes ___________ to make it.
A.billions of years
B.three millions years
C
C.millions of years
D.three billions years


Task 2. Listen again to
the last part of the talk
and find the missing

words.


Task 2.

Solar energy, air, and water are renewable
unlimited supply.
resources because there is ________
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 __________.
atmosphere If the atmosphere is polluted,
the solar energy that reaches the earth may
___ 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
gases
not contain the correct amounts
_______ of these gases.


Which group do these sources of energy
belong to? Put a tick () in the right column.
Sources of
Renewable
Nonrenewable
energy

Wind energy
Gas
Solar energy
Petroleum
Oil
Geothermal
heat
Coal


• Prepare writing lesson
describing the chart
• Collect some charts
(group’s preparation)



 What kind of power is it?
 It is water power.
Dam

Hydroelectric plant


 What kind of power is it?
 It is wind power.


Tide power machine

 What kind of power is it?
 It is solar energy.


 What kind of power is it?
 It is geothermal heat.