Welcome to my lesson !
UNIT 11: SOURCES OF ENERGY
Speaking
Water Power
Hydroelectric dam
Windmill
Wind power
Solar panels
Solar energy
Nuclear Power
Nuclear reactor
Geothermal heat



reactor /ri:`æktə/ ( n) :
lò phản ứng
limited /`limitid/ ( adj ) :
hạn chế, có giới hạn
unlimited /ʌn`limitid/ (adj):
không giới hạn
renewable /ri`nju:əbl/ (adj ) :
có thể thay thế
non-renewable /,nɔn `ri`nju:əbl/ (adj ):
không thể thay thế
Vocabulary
Task 1. The following statements list some advantages and disadvantages of various sources of energy. Read and tick (?) the appropriate box A ( for the advantages ) or D (for the disadvantages ), then compare the results with partner`s.









It is available
It can be dangerous
It is unlimited
It is not only plentiful
and infinite but also
clean and safe
It is clean
and unlimited
It is clean and
unlimited
It is only available in
some places
It is only possible
during the day time
If the wind doenn’t
blow,there is no
wind no energy.
It is expensive to
built a dam
for hydroelectricity
Nuclear energy
Geothermal
heat
Solar energy
Wind power
Water power
Task 2: Work in pairs. Talk with your friend about the advantages and disadvantages of using each alternative sources of energy , using the suggestions from Task 1.
Why do you think so?
I think that wind power can be an alternative source of energy.......
A: I think that can be an alternative sources
of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while

Example :
wind power
(1)
the wind is abundant and unlimited. (2)
it is also clean and safe to the environment.
(3)
it is not available when there is no wind.
(4)
However,
B: I know
However, _________(4)_____________ .
B: I know ___________(3)____________.

- The solar energy is
plentiful and infinite.
- It is not only plentiful
and infinite but also
clean and safe
It is only possible
during the day time
Solar energy
A: I think that ______(1)________ can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while __________(2)____________ .
It can be dangerous.
A nuclear reactor releases radiation which is harmful to the environment.
It is unlimited
Nuclear energy
A: I think that ______(1)________ can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while __________(2)____________ .
However, _________(4)_____________ .
- It is clean and
unlimited
It is expensive to
built a dam for
hydroelectricity
Water power
However, _________(4)_____________ .
B: I know ___________(3)____________.
A: I think that ______(1)________ can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while __________(2)____________ .
It is available
It is only available in
some places
Geothermal
heat
A: I think that ______(1)________ can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while __________(2)____________ .
thank you !
nguon VI OLET