getting started
Possible answers
Turn off the light when unnecesary
Turn off the radio and TV when nobody watches or listens
Save water by turning off the faucet when there is enough water supply.






Unit 7
Saving Energy
P: 42 Lesson 1
Listen and Read
faucet
dripping faucet (n)
vòi nước bị chảy nhỏ giọt
?
crack (n)
vết nứt
water bill (n)
hóa đơn tiền nước
plumber (n)
thợ ống nước
What do you call a person .who repairs or fits water pipes, faucets, toilets, etc.?
enormous (a)
to lớn, khổng lồ
= huge, very big
water bill (n)
hóa đơn tiền nước
enormous (a)
to lớn, khổng lồ
plumber (n)
thợ ống nước
crack (n)
vết nứt
dripping faucet (n)
vòi nước bị chảy nhỏ giọt
VOCABULARY
Checking Vocabulary
1. What`s this? It`s a ................. .
2. This cup has a ........... in it.
5. $200,000? Oh, I can`t lend you . . such an ................. amount of . . money!
4. My brother is a ............... . He fits . . and repairs water pipes, toilets, etc.
3. A ........................... can waste . . 500 liters of water in a month.
water bill
crack
dripping faucet
plumber
enormous




What should I . do to ...?
You should ...
Mrs. Mi
Mrs. Ha
Gap filling
Mrs. Ha is worried about her water bill because it is (1).................. . Mrs. Mi (2) .............. that Mrs. Ha should (3)............. the amount of water her family uses by doing three things. Firstly, Mrs. Ha should get a (4) ............... to check if there are any (5) ............. in the pipes. Secondly, she should take (6)............... instead of baths. Finally, she should remember to turn off the (7) ............. .
enormous
suggests
reduce
plumber
cracks
showers
faucets
Lucky Numbers!
7
1
4
6
2
8
5
3
P.W
S.E.C
What is Mrs. Ha worried about?
- She is worried about her most recent water bill.
What should Mrs. Ha do?
- She should reduce the amount of water her family uses.
Why should Mrs. Ha get a plumber?
- She should get a plumber to make sure there are no cracks in the pipes.
How much water do baths use?
- Baths use twice as much water as showers.
How many liters of water can a dripping faucet waste a month?
- A dripping faucet can waste . 500 liters of water a month.
Lucky Number!
2. What should Mrs. Ha do?
4. How much water do baths use?
5. How many liters of water can a . . dripping faucet waste a month?
3. Why should Mrs. Ha get a . plumber?
Comprehension Questions
1. What is Mrs. Ha worried about?



What should you do
to save energy
at home and at school?
Homework
1. Learn the new words by heart.
2. Write a short passage about . . . what you should do to save . . . . energy at home and at school.