Page 46 - SGK TA7 TAP 2 SHS

6.,//6
D Match the verbs with the nouns.
1. create a. machinery
Reading
2. drive b. turbines
Work in pairs. Discuss the following questions.
3. generate c. energy
1. What are the main sources of energy in Viet Nam?
4. turn d. houses
2. What type of energy sources will be used in the
future? 5. heat e. electricity

Read the text below and check your ideas. E Answer the questions.

Professor Galton is preparing a speech about 1. How many types of energy sources are
renewable and non-renewable energy. Read mentioned in the text? What are they?
the text, match the verbs with the nouns, 2. What are the disadvantages of hydro and
then answer the questions. 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?

Speaking
Dear guests, I’d like to talk to you today about Work in pairs. Ask and answer questions
renewable and non-renewable energy. about the advantages and disadvantages of
each type of energy sources.
Fossil fuels are non-renewable energy sources.
They include oil, coal, and natural gas. They can Example:
be used to create energy, generate electricity, A: What type of energy is oil?
or drive big machinery. Unfortunately, they are B: It is a non-renewable source of energy, because
harmful to the environment. Viet Nam still relies it cannot easily be replaced.
mostly on non-renewable energy sources,
A: What are its advantages and disadvantages?
however, hydro power is increasingly used
B: It can be used to power machinery, but it also
here too.
pollutes the environment.
Hydro and nuclear power can generate a
great deal of energy. They are renewable and Talk about the advantages and disadvantages
plentiful. However, hydro power is limited of each type of energy sources.
because dams cannot be built in certain areas. Example:
Nuclear power can provide enough electricity Hydro power is a renewable source of energy
for the world’s needs, but it is dangerous. because it comes from water. It is cheap and
plentiful. Unfortunately, dams can only be built in
The sun and the wind are other alternative
certain areas.
sources of energy. The wind turns turbines to
make electricity. Solar power can be converted
into electricity. It can be used to heat or
cool our houses. Although there are some
disadvantages, these alternative energy
sources can off er abundant amounts of clean,
safe electricity. They will be valued more and
more in the future in Viet Nam.

44 Unit 10/Sources of Energy