Now let’s watch a video clip
Sources of energy
Nuclear energy
Wind energy
Solar energy
Geothermal heat
Water energy
Fossil fuels
Fossil fuels
UNIT 11
Fossil fuels [`f?sl] [fju?l]
Exhausted (adj) [ig`z?:stid]
Alternative (adj) [?:l`t?:n?tiv]
Geothermal (adj) [,d?i:ou`??:m?l]
Panel (n) [`pổnl]
Entire (adj) [in`tai?]
Potential (n) [p?`ten?l]
Make use of
Infinite (adj) [`infinit]
= unlimited
Vocabulary
Nhiên liệu hoá thạch
Kiệt sức, cạn kiệt
Thay thế
Thuộc địa nhiệt
Ô cửa, tấm ván
toàn bộ
Tiềm năng
Sử dụng
Không giới hạn
ca
Ca
ca
available
only possible
in some places
make energy
Plentiful, clean
infinite, safe
Only possible
during the day time
provide electricity,
heat and cool the
entire house
Clean & unlimited
no wind
no energy
turn windmills
& move sailboats
Clean unlimited
expensive
create electricity
Task 1: Scan the text and write down the advantage(s) and
disadvantage(s) of each alternative source of energy
Task 2: Fill in the blank with a suitable word
Six hundred balloons were ___________ at the ceremony
2. They are looking for __________ methods of making it.
3. People use ____________ to run machines, heat and cool their homes
4. The food in the restaurant is cheap, but the choice is rather __________
5. Fuel supplies are nearly ____________
alternative
limited
energy
released
exhausted
Task 3: Answer the following questions
1 What is our major source of energy?


2 Is this major source limited? Why?


3 Which one do you think is the most potential energy of all the alternative sources of energy?

Our major source of energy is fossil fuels
( oil, coal, natural gas)
Yes, it is limited. Because our demand is increasing very quickly
and fossil fuels will be exhausted within a relative short time
I think solar energy is the most potential energy of all
the alternative sources of energy.
Guessing words
In modern world, this kind of weapon is often used in wars
It makes trees swing and we feel comfortable if we have it on hot summer days
Something like oil, gas, coal…
It covers two- thirds of the earth
Nowadays people like to use it to cook
We cannot have light if it goes out
Nuclear
Wind
Fuels
Water
Gas
Electricity