Transcript READING - Khoa Anh.org

Unit 11: Sources of energy
Look at these pictures
Use pictures above to complete these sentences:
1.
We use ______ to turn turbines.
2.
We use ______ to run machine, cars,
motorbikes.
3.
We use ______ to make electricity.
=> 1. Wind power
2. oil/ petrol
3. coal , wind/ water/sun power
1.
What is our major source of energy ?
2.
Is this major source limited ? Why ?
3.
How many sources of energy are mentioned
in the text ?
4.
Which one do you think is the alternative
source of energy ?
Vocabularies:
-
Alternative (adj): that can be used instead of
something else: thay thế.
Ex: There is a vegetarian alternative on the menu every day.
-
Reserve (n): supply of something that is kept to
be used if it is needed: sự dự trữ.
Ex: $10 million in cash reserves.
-
Infinite (adj): very great; impossible to measure
=> syn: boundless: vô tận
Ex: An infinite variety of plants .
-
To exhaust (v): to run out of, to weaken, to empty:
làm kiệt quệ => synonym: exhausted
Ex: A full day's teaching exhausts me.
-
Release (v): let sb/sth free: phóng thích
Ex: Large amounts of energy are released by the sun
everyday.
-
Limited (adj): not very great in amount or extent:
có hạn.
Ex: We are doing our best with the limited resources
available.
Task 1: True or False statements
Statements
1. Our major sources of energy, fossil fuels are
limited and exhausted.
True

2. There are six alternative sources of energy
mentioned in the passage.

3. Geothermal heat is available every where in

the world.
4. Alternative sources have both advantages
False
and disadvantages.

5. The potential of alternative sources of
energy is enormous.

Work in pairs and read the text silently then
answer the guided questions.
1- What is our major source of energy ?
2- Is this major source limited ? Why ?
3- How many sources of energy are mentioned in
the text?
4- Which one do you think is the most potential
energy of all the alternative sources of energy?
Answers:
1.
Our major source of energy is fossil fuels (oil, coal,
natural gas).
2.
Yes, It is limited. Because our demand is increasing
very quickly and fossil fuels will be exhausted within
a relative short time.
3.
They are fossil fuels, nuclear energy, geothermal
heat, solar energy, wind power, water power.
4.
I think solar energy is the most potential energy of
all the alternative sources of energy.
Task 2: Table completion
Sources of
energy
Advantages
Disadvantages
Nuclear power
unlimited
very dangerous
Solar energy
plentiful, infinite,
clean, safe
possible in the day
time
Water power
clean and
unlimited
expensive
Wind power
clean and
unlimited
No wind => no
energy
Geothermal heat
available
Possible
Task 3: Gap - filing
Complete the summary of the reading passage
by filling each blank with a suitable word.
We need energy to live and work. Our major
source of energy comes from (1)________. It
consists of (2)________, oil and
(3)________. These sources are running out so
people develop (4)________ sources such as
solar energy, (5)________, water power,
(6)________, and geothermal (7)________. All
of them have advantages and disadvantages.
The advantage of solar energy is that it is not only
plentiful and (8)________ but also clean and safe.
Geothermal
heat
and
nuclear
power
are
(9)_________ sources of energy. They give us
electricity. Besides they are (10)________.
Answers:
1. fossil fuels
2. coal
3. natural gas
4. new
5. nuclear energy
6. wind energy
7. heat
8. infinite
9. alternative
10. dangerous