READING

Unit 11: Sources of energy

Look at these picturesWarm up

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

Warm up

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 ?

Guided questions

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.

Statements True False

1. Our major sources of energy, fossil fuels are limited and exhausted.

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 and disadvantages.

5. The potential of alternative sources of energy is enormous.

Task 1: True or False statements

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.

Sources of energy

Advantages Disadvantages

Nuclear power

Solar energy

Water power

Wind power

Geothermal heat

Task 2: Table completion

Possibleavailable

unlimited very dangerous

plentiful, infinite, clean, safe

possible in the day time

clean and unlimited

expensive

No wind => no energy

clean and unlimited

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.

Task 3: Gap - filing

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 6. wind energy

2. coal 7. heat 3. natural gas 8. infinite 4. new 9. alternative 5. nuclear energy 10. dangerous

THANK YOU FOR YOUR

ATTENTION!