UNIT 10:
SOURCES OF ENERGY

reading
Teacher: Mrs. Phượng
Class: 11VS
Nguyen Du Specialized High school
Welcome to Our group’s presentation !!!
Energy story
N
E
W
W
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Before You Read
VOCABULARY
Coal
Nuclear energy
Garbage
Biogas
Natural gas
Oil
Wind
Solar energy
Air that moves quickly as a result of natural forces
Wind
Gas, especially methane, that is produced by dead plants and that can be burned to produce heat
Biogas
Energy provided by the sun.
This energy is in the form of solar radiation, which makes the production of solar electricity possible.
Solar energy
A powerful form of energy produced by converting matter into energy by splitting the nuclei (= central parts) of atoms.
It is used to produce electricity.
. Nuclear energy
A hard black mineral that is found below the ground and burnt to produce heat
Coal
 Waste food, paper, etc. that you throw away
Garbage
A thick liquid that is found in rock underground
Oil
Gas that is found under the ground or the sea and that is used as a fuel
Natural gas
MATCH THE PICTURES WITH THEIR NAMES
Non-renewable energy sources
cannot be remade or regrown in a short period of time. They consist of fossil fuels and minerals.
Descriptions of two main kinds of energy sources
Renewable energy sources
can be formed naturally in a short period of time. They are not used up when the energy is exploited.
Reading text
VOCABULARY
Fundamental

* /fʌndə`mentl/ (adj, n):
Serious and very important, affecting the most central and important part of something
Nghiêm trọng, quan trọng, ảnh hưởng đến một cái gì đó
*
Fundamental to sb (sth)

Ex: Hard work is very fundamental to success.
He taught me the fundamentals of the job.
Kerosene

/`kerəsi:n/ (n):
dầu đốt

* an oil used in the engine of the plane and heat and light

Ex: a kerosene lamp
Prospect + of sth/ of doing sth:
Tương lai, viễn cảnh


/`prɒspekt/ (n)
the possibility that something may happen in the future

Ex: There is no immediate prospect of peace.
-


Prospective (adj): potential
Arduous
Khó khăn


/`ɑːdjʊəs/:
involving a lot of effort and energy, being difficult
Arduously (adv)

Ex: The work was arduous.
Solar stove
/`səʊlə(r) stəʊv/ (n):
Bếp năng lượng mặt trời
Stove which consumes the energy from the sun
Generate

/`ʤenəreɪt/ (v):
to produce or create something
+



Ex: They use the energy from the wind to generate electricity.
Generation (n):
the production of something (heat, electricity)
Respiratory
Hô hấp

/re’spəreɪtc:rɪ/ (adj):
connected with breathing

Ex: Respiratory disease
Flu is a respiratory disease.

Respiration (n)
Respire (v)
Respirator (n)

Expose sb/sth to sth

/ɪk`spəʊz/
: to put sth/ sb in a place or situation where they are not protected from sth harmful or unpleasant

Phơi cái gì/ai ở nơi mà không được bảo vệ, không an toàn

Be exposed to sth

Ex: Babies should not be exposed to strong sun light.
Tendency
Xu hướng

/`tendənsɪ/ (n)
(for sb/sth) to do sth


Ex: She has a tendency to eat a lot when she’s stressful.


Tend (v) to do sth
= have a tendency to do sth
VOCABULARY
Reading text
Energy is fundamental to poor people-the one-third of humanity that does not have modern energy supplies like electricity, with which their life could be improved. What are their energy sources now? What new sources may help them?
MR. John Ngujuna and his family live on a small farm near Nakuru in Kenya. His wife, children, and grandparents spend hours each day gathering fuel wood. They buy over four liters of kerosense a week for the lamps that provide dim light in their house at night. They spend a lot of their spare crash on dry cell batteries for their radio and flashlights.
For many families in Kenya, the prospect of better energy services would mak their life different. An improved solar stove for cooking would reduce the arduous works of firewood collection, and women and children would not be breathing thick smoke while the cooking was going on. Small solar systems in the village would also mean that the clinic could operate at night and urgent operation could be carried out. Very small solar lighting systems would allow children to study in the evening and the school to run literacy classes for adults. Solution such as solar stoves and lanterns are now introduced to a lot of Kenyan families in remote areas.

For many people living in rural areas in other developing countries of the world, biogas is the largest energy resource available, without which their life would be very difficult. The main use of biogas is for cooking and heating. As biogas is smoke-free, it help solve the problem of indoor air pollution, hence preventing respiratory diseases among women and children, who are exposed to wood-burning stove smoke far more than men. Plant waste and animal cost almost nothing, yet they are valuable sources for generating power to pump water or run machines that farmers grains with.
The tendency to use renewable energy sources is on the increase when non-renewable ones are running out. In the near future, people in the developing world may use wind or sea waves as the environment-friendly energy sources – who knows?
EXERCISES
Choose the best title for text:
1
A. Renewable and Non-renewable Sources of Energy
B. Solar System and Biogas
2
3
C. Sources of Energy for the Poor
D. Advantages of Renewable Energy Sources
4
ANSWER: C. Sources of Energy for the Poor
b) In which paragraphs are the following ideas discussed?


1. Smoke affects people’s health
2. Non-renewable sources are being used up
3. The new sources helps farmers do their work better
4. The new sources generates electricity for poor people
5. The new sources may save people’s lives
6. The new sources is not costly
7. People may use wind power to serve their life in the future
8. People don’t have electricity

C, D
E
D
C, D
C
D
E
A, B
Task 3: Answer the questions:


Why are solar systems and biogas introduced to poor people?

What energy sources does John Ngujuna’s family use to sustain their life?

In what way can solar energy improve the life of poor people in Kenya?

What are the advantages of using biogas?
Answer the question

1. Why are solar systems and biogas introduced to poor people?
.......................

2. What energy sources does John Ngujuna’s family use to sustain their life?
......................

3. In what way can solar energy improve the life of poor people in Kenya?
......................

4. What are the advantages of using biogas?
......................

Saving human energy; solving the problem of indoor air pollution; providing better health care and education.
Pollution-free/ smoke-free and cheap. . It helps solve the problem of indoor air pollution and prevent respiratory diseases.
Because they supply people with electricity to improve their life.
Wood for cooking, kerosene for lighting, and dry cell batteries for the radios and flashlighs.
Discuss in groups

Which energy sources are people in different areas in Viet Nam currently using for cooking in their homes?

Cities: electricity, natural gas (sometimes kerosene and coal).
Rural areas:wood, straw, plant stalks, coal, kerosene, biogas.
Moutainous regions: wood, solar energy (using solar stove).
Common energy sources used for cooking in Viet Nam:
Source of energy in the future]
Thank you all for listening !!
It was a pleasure being here today !!
Goodbye and see you again !!
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Tran Thi Thuy Dung
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Than Thi My Dung (find documents & videos)
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