tiếng anh lớp 7

He think VietNam we use the wind and the sun as althernative sources of energy in the future .... Ask and answer questions about the advantages and disadvantages of each type of energ[r]

W E l C O M E T O

nuclear wind solar

coal biogas oil

Natural gas hydro

Unit 10

PERIOD 83 SKILL1

I READING

1 Look at the picture and discuss with a partner: (Ex 1 / p 44)

1 What are the main sources of energy in

Viet Nam?

2, What types of energy sources will be

used in the future?

2 Read the text and check: (Ex 2 / p 44)

1 What are the main sources of energy in

Viet Nam?

2, What types of energy sources will be

used in the future?

VOCABULARY

- Fossil fuel (n) : nhiên liệu hóa thạch = coal

- Fortunately (adv.) ≠ unfortunately

may mắn : rủi thay

- Generate : phát ra

- Alternative (n) : thay thế

- Turbine (n) : tua bin

- Convert : biến đổi

- Value : đánh giá

A MACHINERY

B TURBINES

C ENERGY

D HOUSES

E ELECTRICITY

3a Match the verbs with the nouns: (Ex 3a / p 44)

1 CREATE

1 CREATE

2 DRIVE

2 DRIVE

3

GENERATE

3

GENERATE

4 TURN

4 TURN

5 HEAT

5 HEAT

3b Read the passage again and answer the questions

(Ex 3.b/ p 44)

1.How many types of energy sources are mentioned in the text? What are they?

2 What are the disadvantages of hydro and nuclear power?

3 Why do you think the wind and the sun are called

alternative sources of energy?

4 What types of energy does Viet Nam use most?

5 What does the professor think Viet Nam will use more

in the future?

1 How many types of energy sources are mentioned in the text? What are they ?

Two, they are renewable and non-renewable

2 What are the disadvantages of hydro and nuclear power?

Hydro power is limited because dams can not be built in certain

areas Nuclear power is dangerous

3 Why do you think the wind and the sun are called alternative

sources of energy?

Because they are natural sources of power and we use then instead of non-renewable sources

4 What types of energy does Vienam use most?

We use non-renewable source of energy the most but we are

increasingly using hydro power

5 What does the professor think VietNam will use more in the future?

He think VietNam we use the wind and the sun as

althernative sources of energy in the future

II SPEAKING

4 Ask and answer questions about the advantages and

disadvantages of each type of energy source

( Ex 4/ p 44)

Example :

A: What type of energy is oil ? B: It is non-renewable source of energy, because it cannot easily be replaced A: What are its advantages and

disadvantages ? B: It can be used to drive machinery , but it also pollutes the environment

Sources of

energy

Types of energy Advangtage(s) Disadvantage(s)

oil/ coal/

natural gas non-renewable

create energy generate electricity drive machinery

harmful to the environment

hydro renewable

generate a great deal of

energy

can not build dams

nuclear renewable dangerous

solar renewable converted into electricity,

heat or coal the houses not available

wind renewable make electricity not available

III AT HOME:

Learn new words by heart.

Write about the advantages and disadvantages of each type of

energy source

Preparing: SKILLS 2

Thank you for

Your atte ntion!