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

Welcome to our class
UNIT 10: SOURCES OF ENERGY
Lesson: A closer look 1
I. New words.
Limited >< unlimited (adj):
Abundant = plentiful (adj):
Available (adj):
Convenient (adj):
Harmful (adj):
Polluting :
Exhausted (adj):
Dangerous (adj):
II. Vocabulary
1. Put the words below into the table to describe the types of energy.
Limited unlimited harmful
Renewable non-renewable 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 non-renewable exhaustible
Safe dangerous convenient
Clean polluting available
Cheap expensive abundant
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
3. Look at the pictures and complete these sentences, using the words in 1.
1. …………… energy is renewable. Moreover, it is clean and …………
solar
safe
3. Look at the pictures and complete these sentences, using the words in 1.
2. Using coal is polluting, and it is …………………
Non-renewable
3. Look at the pictures and complete these sentences, using the words in 1.
3. ………...... power is abundant. It is also ….………….and safe.
wind
clean
3. Look at the pictures and complete these sentences, using the words in 1.
4. Nuclear energy is renewable and clean. But it is………………. and……………….
expensive
dangerous
III. Pronunciation
Most nouns and adjectives, stress on the first syllable.
E.g:
‘mountain       ‘evening       ‘butcher  
   ‘carpet           ‘busy           ‘village     
Most verbs , stress on the second syllable.
E.g:
Ex’plain      de’scend    for’get  
a’llow        main’tain      con’sent .....

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
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
5. Read the following sentences and mark (‘) the stressed syllable in the underlined words. Then listen, check and repeat.
Coal will be replaced by another renewable source.
Wind power is convenient and abundant.
Natural gas is limited and it is harmful to the environment.
Solar energy is plentiful and it can be replaced easily.
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.
Coal will be replaced by a’nother re’newable source.
Wind power is con’venient and a’bundant.
Natural gas is ‘limited and it is harmful to the en’vironment.
Solar energy is ‘plentiful and it can be replaced ‘easily.
Nuclear power is ex’pensive and ‘dangerous.
Homework
Learn by heart all the new words.
Prepare for next lesson.