Unit 10. Sources of Energy. Lesson 2. A closer look 1

WEEK 28
PERIOD 82

UNIT 10: SOURCES OF
ENERGY

LESSON 2: A CLOSER LOOK 1


I. Vocabulary    
*  Advantages and  Disadvantages of energy sources .
• Advantage = benefit:  
1.Unlimited #limited (adj):
Plentiful (adj):
2.Abundant = 

Thuận lợi
Không giới hạn
Nhiều, dồi dào


•

* Disadvantage :     Bất lợi
­Exhaustible (adj): Có thể làm cạn kiệt


Activity 1. Put the words below into the table to describe the types of energy.
Limited                              unlimited                                  harmful
Renewable                        non­renewable                        exhaustible

Safe                                    dangerous                                convenient
Clean                                  polluting                                   available
Cheap                                expensive                                  abundant


1. Put the words below into the table to describe the types of energy.
Limited                              unlimited                                  harmful
Renewable                        non­renewable                        exhaustible
Safe                                    dangerous                                convenient
Clean                                  polluting                                   available
Cheap                                expensive                                  abundant


Activity 2. Compare your answers with a partner.
Example: 
    A:  I think biogas is renewable.
    B:  Me too. I also think it is abundant and cheap.
    A: I see carbon dioxide very expensive.
    B: umh. I see wind energy clean and cheap.


Activity 3. Look at the pictures and complete these sentences, using the words in 1.

Solar
1. ……… energy is renewable. Moreover, it is clean and
safe
……


2. Using coal is polluting, and it is

non
- renewable
……………………….


Wind 
clean
3. …......power is abundant. It is also ……. and safe.


4. Nuclear energy is renewable and clean. But it is………… 
expensive
and…………. .
dangerous


Pronunciation
•   Ooo : Stress on the first syllable.

     E.g:     excellent
            plentiful
            difficult

• oOo: Stress on the second syllable.

      E.g:     disaster
                  potato
                  convenient

Activity 4. Listen and repeat. Which words are stressed on the first 
syllable and which ones are stressed on the second syllable? Put 
them in the appropriate columns.
Dangerous                       enormous                         limited
Easily                                expensive                          plentiful
Abundant                        energy                                convenient


Activity 4.
Dangerous                       enormous                         limited
Easily                                expensive                          plentiful
Abundant                        energy                                convenient


Activity 5. Read the following sentences and mark (‘) the stressed
syllable in the underlined words. Then listen, check and repeat.

1. Coal will be replaced by another renewable source.
2. Wind power is convenient and abundant.
3. Natural gas is limited and it is harmful to the
environment.
4. Solar energy is plentiful and it can be replaced easily.
5. Nuclear power is expensive and dangerous.


5. Read the following sentences and mark (‘) the
stressed syllable in the underlined words. Then
listen, check and repeat.
1. Coal will be replaced by a’nother re’newable source.
2. Wind power is con’venient and a’bundant.

3. Natural gas is ‘limited and it is harmful to the
en’vironment.
4. Solar energy is ‘plentiful and it can be replaced ‘easily.
5. Nuclear power is ex’pensive and ‘dangerous.


Homework 
• Learn by heart all the new words.
• Prepare for next lesson 3.