Unit 7. Saving energy

* Warm - up:
1.
2.
3.
4.
5.
1, lio
2, wnid
3, warte
4, gsa
5, trolpe

Jumbled words:
wind
petrol
gas
water
oil
energy
?
Uint 7: saving energy
Period 44; Lesson 3: Listen + LF 1, 2
Name the natural resources that can provide energy
I. New words:
- solar energy(n):
năng lượng mặt trời
- install (v):
- effective (adj ):
- solar panel (n) :
lắp đặt, cài đặt
tấm thu năng lượng mặt trời
có hiệu quả
Rub out and remember
solar energy (n):
solar panel (n):
Install (v):
effective (adj):
- Nă ng lượng mặt trời
- Lắp đặt, cài đặt
- Tấm thu năng lượng mặt trời
- Có hiệu quả
+
+
+
+
1. Does solar energy cause pollution?
2. Can we use solar energy on cloudy days?
No, it doesn`t.
Yes, we can
1, Pre – Questions:
II. listening:
2, Matching:
A
B
- Store (v)
- Nuclear power (n)
- Roof (n)
- Mái nhà
- Năng lượng nguyên tử
- Dự trử
a/Check the box and correct the false sentences:
1- Solar energy can be cheap and clean.
2- Most of our electricity now comes from nuclear power.
3- The solar energy that gets to the Earth can not
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 2050.
T
F
G
√
√
×
×
×
√
√
√
2. Most of our electricity comes from the use of coal, gas, oil, or nuclear power.
3. 1 % of the solar energy that gets to the Earth can
provide enough power for the world`s population
5- All building in Sweden will be heated by solar energy
in 2015.

b. Fill in each blank with one word you hear :
store
roof
instead
countries
pollution
effective
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, and oil.
connectives
and
therefore
so
because
or
but
however
Connectives: because, or, and , therefore, so, however, but
III. Language focus 1,2
1. Language focus 1
- And :
- But, however :
- Because:
to give an effect.
- Or :
* Connectives:
a1)Na is very tired but she has to finish her homework before she goes to bed.
a2)Na is very tired. However, she has to finish her homework before she goes to bed.
b1)It’s raining, so I can’t go to the beach.
b2)It’s raining. Therefore, I can’t go to the beach.
COMPARE:
to add a similar or another idea .
to give an alternative.
to give a reason.
to add an opposite idea.
- So, therefore:
1. Complete the following sentences. Use the connectives.
a. Mrs Quyen bought corn, potatoes …….. cabbage at the market. (and/or)
b. I’d love to play volleyball ………. I have to complete an assignment. (and / but)
c. Nam got wet ……..… he forgot his umbrella. (so/because)
d. Hoa failed her math test ……….…, she has to do the test again. (however / therefore)
e. Do you want Vietnamese tea …… milk tea? (and / or)
f. It’s raining, …… I can’t go to the beach. (so/however)
g. Ba’s hobbies are playing football ................... collecting stamps. (and / or)
h. Na is very tired. …....……., she has to finish her homework before she go to bed. (however / therefore)
and
but
because
therefore
or
so
and
however
IV. Practice:
Turn on
2. Language focus 2:
Turn off
Look for
Look after
Go on
Phrasal verbs
(Cụm động từ, ngữ động từ)
a.Hanh can’t go to the movies with us tonight. She will have to ___________ her little sister.
b.If we ______ wasting water, there will be a shortage of fresh water in a few decades.
go on
HANH
Turn on – turn off – look for – look after – go on
look after
2
1
2, Complete the sentences. Use the right tense form of the phrasal verbs in the box:
e.Mrs. Yen forgot to _______ the faucet when she left for work.
turn off
5
d.“_______ the TV for me, will you? I want to watch the forecast weather.”
Turn on
4
4
c.“I think I’ve lost my new pen. I’ve _________ it everywhere and I can’t find it everywhere.”
looked for
3
consolidation:
1. New words:
2, Listen:
3, Language focus:
Connectives: because, or, and , therefore, so, however, but
Phrasal verds: turn off, turn on, look for, look after, go on
4, Practice:
- LF 1
- LF 2
V. Homework:
- Learn new words
Write a short passage about solar energy.
- Exercise: 4 - page: 49
- To prepare new lesson: Read
Thanks your attention
Good bye!