Unit 7. Saving energy

Welcome
to our class !
I- Vocabulary:
1-Solar energy (n): n¨ng l­îng mÆt trêi
2-Solar panel (n): tÊm pin mÆt trêi
3-Nuclear power (n): n¨ng l­îng nguyªn tö
4-Effective (adj): cã hiÖu qu¶
5-(to) install: l¾p ®Æt
6-(to) store: tÝch tr÷
7-(to) provide: cung cÊp
II- Listen: * True or False ?:
1- Solar energy can be cheap and clean.
2-Most of our electricity now come from nuclear power.

3-The solar energy that gets to the Earth provide enough power for the world`s population.
4-Solar energy can be used on cloudy days.
5-All building in Sweden will be heated by solar energy
in .
T
F
F
F
T
2015
can
2050
cannot
coal, gas, oil.
Choose the best answer:
1-The sun can be an source of power.
2-Solar energy doesn`t cause
3-A lot of in the world are already using solar energy.
4-It is possible to solar energy for a
number of days.
5-Solar panels are installed on the of a house to receive the energy from the sun.
6- We can save natural resources by using solar energy of coal, gas, oil.
(effective/ important)
(drought/ pollution)
(companies/ countries)
(store/ keep)
(roof/ garden)
(instead/ included )
store
roof
instead
countries
drought
effective
Discussion:
The benefits of solar energy:
Clean and cheap
-Effective
-Unpolluted
-Saving natural resources.
Home work:
- Learn new words
- Write a short passage about solar energy.