7A4
Welcome to our class
Types of energy sources
Non-renewable
Renewable
Natural gas
coal
oil
Nuclear
hydro
solar
- Use up (v):
Sử dụng hết
- Heat up (v):
Làm nóng lên
- Release (v):
Giải phóng
- Lead to (v):
Dẫn đến
Reduce (v):
- Increase (v):
Tăng >< Giảm
- Avoid (v):
Tránh
A

1. Use up
2. Heat up
3. Release
4. Lead to
5. Increase
6. Avoid
B

a. tr�nh
b. s? d?ng h?t
c. gi?i phĩng
d. l�m nĩng l�n
e. d?n d?n
f. tang
Matching
1. What do you think is unusual about means of transport?
2. Have you seen any transport like this ?
6
Predict true (T) or Fall (F) to the statements.
6
7
KEYS
7
√
√
√
√
X
..do not create…
Listen again and complete the sentences.
People in ______________ areas have to gather wood to use as fuel.
2. Biogas is mainly used for _____________________.
3. Biogas helps solve the problem of indoor_____________.
4. The use of renewable energy sources in developing countries is __________________.
5. In the future, the ___________________ will be used as the environmentally friendly energy sources.
mountainous
cooking and heating
air pollution
on the increase
wind and the sun
THE CHANGING CLIMATE
Problem
We use energy for almost everything we do: for (1)…………………………………….......... . This use of energy is (2)………………………....... - the world is heating up. When
(3)…………………......................, carbon dioxide is released. Carbon dioxide traps the sun’s heat in the atmosphere and
(4)……………........................................ . Over the past thirty years, there has been a growing number of extreme weather event, such as floods, droughts and storms.
Solution
We should protect our planet, by (5)………………………………… We should use sources of energy more wisely, for our future, and the future of the planet.
E. heating our homes, cooking our meals, etc
B. leading to climate change
A. burning fossil fuels for energy
D. because it can’t escape. It heats the planet
C. investing in renewable energy
A. burning fossil fuels for energy
B. leading to climate change
C investing in renewable energy
D because it can’t escape. It heats the planet
E. heating our homes, cooking our meals, etc.
Reduce our electricity bills.
Use electricity more efficiently.
Turn off the lights before going to bed.
Use low energy light bulbs.
Use public transport.
Increase the tax on petrol.
Avoid using cars or motorbikes for short trips.
Reduce the use of fossil fuels.
What should you do to save energy ?
Write a short passage about what we should do to save energy.
EX. Start like this:
There are many ways to save energy. We should…...……………………………………
Learn vocabulary by heart
Write a passage about what we should do to save energy.
Prepare: Unit 10 Lesson 7: Looking back and project
Homework:
goodbye
Thank you for attention
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