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

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.

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


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


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