Unit 7. Saving energy

welcome to our class
What should we do to protect the environment?
collect waste paper
reuse and recycle bottles and cans
Unit 7: Saving energy
Period 43: Lesson1 Getting started + listen & read
Make a list of things the family could do to save energy:
Make a list of things the family could do to save energy:
- Turn off the TV, the radio, the lights before leaving
- Turn off faucets after use
- …………………………
thợ sửa ống nước
2. a plumber
1. a water bill
I. Vocabulary
hóa đơn tiền nước
3. a crack
vết nứt
4. a dripping faucet
vòi nước bị rỉ nhỏ giọt
5. enormous( adj)
to lớn
= very big

Slap the board
1. Mrs. Ha is worried about her water bill.
2. Mrs. Mi gives Mrs. Ha advice on how to save water.
3. Mrs. Ha has checked the pipes in her house and found no cracks.
4. Mrs. Ha suggests getting some tool to check cracks in the pipes.
Mrs. Ha hasn’t checked the pipes in her house.
Mrs. Mi suggests getting plumber to make sure there are no cracks in the pipes.
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Check
5. Mrs. Mi suggests taking showers to save water.
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II. Listen and read
A/ True or False ?
Mrs Ha
Mrs Mi
B/ Answer the questions:
a. Why is Mrs Ha worried?
b. How much money does Mrs. Ha pay for her water bill?
c. What does Mrs. Mi advise Mrs. Ha to do?
d. How much water can be wasted a month by a dripping faucet?
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2
5
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LUCKY NUMBER
b. How much money does Mrs. Ha pay for her water bill?
She pays 200.000 dongs.
d. How much water can be wasted a month by a dripping faucet?
A dripping faucet can waste 500 liters of water a month
a. Why is Mrs Ha worried?
Because her recent water bill is enormous.
c. What does Mrs. Mi advise Mrs. Ha to do?
She advises Mrs Ha to get a plumber to check her water pipes and to reduce the amount of water by taking showers and turning off faucets after use.
B/ Answer the questions:
- Does Mrs Mi advise Mrs Ha to take showers?
C/ Read the dialogue again and answer the questions
- What does she say?
 “I suggest taking showers”
* Making suggestion:
S
+ Suggest
+ V_ing
 “I suggest that you should take showers”
+ (that)
+ S
+ Should
+ V
(s)
Exercise 1: Complete the sentences, using “I suggest + V_ing …”
1) Turn off / lights / before / leave / room
I suggest turning off the lights before leaving the room
2) Get a plumber / make sure there / no cracks in the pipes
I suggest getting a plumber to make sure there are no cracks in the pipes.
3) Repair / dripping faucets
I suggest repairing dripping faucets.
4) Take / showers / instead / have / baths.
I suggest taking showers instead of having baths.
Exercise 2: Use “I suggest + that + S + Should + V …” to answer the question: What should you suggest to the following people?
1) He uses plastic bags to wrap food.
I suggest that he should use banana leaves to wrap food.
2) She always turns on the lights when going to bed.
I suggest that she should turn off the lights when going to bed.
3) He is having a toothache.
I suggest that he should go to the dentist.
4) They use too much coal, gas and oil.
I suggest that they should use solar energy.
**Discussion ( work in groups )


What should we do to save energy at home and at school ?
**Discussion ( work in groups )


What should we do to save energy at home and at school ?

Possible answers:
Take a shower instead of a bath.
Turn off faucets after use.
Make sure there are no cracks in the water pipes.
Turn off lights, fans before leaving.
Turn off TV or radio when none watches or listens.
Prepare food carefully before turning on the stove.
Keep refrigerator door closed.
Use solar energy.
………………
HOMEWORK:
Learn by heart new words
Write 5 things you should do to save energy.
Ex. 3 (page 55) – Vở BT tiếng anh
Thank you very much
for your attendance!
b. How much money does Mrs. Ha pay for her water bill?
She pays 200.000 dongs.
d. How much water can be wasted a month by a dripping faucet?
A dripping faucet can waste 500 liters of water a month
LUCKY NUMBER
a. Why is Mrs Ha worried?
Because her recent water bill is enormous.
c. What does Mrs. Mi advise Mrs. Ha to do?
She advises Mrs Ha to get a plumber to check her water pipes and to reduce the amount of water by taking showers and turning off faucets after use.
LUCKY NUMBER
LUCKY NUMBER