Unit 10 Sources of energy

GETTING STARTED
Vocabulary

- Negative effect: Ảnh hưởng xấu

- Biogas (n): Khí sinh học

- Carbon footprint (n): Khí thải Carbon

- Produce (v) : Tạo ra, sản xuất

- Non-renewable (adj): Không tái tạo

- Solar power (n): Năng lượng mặt trời

- Save energy (v): Tiết kiệm năng lượng

- Waste energy (v): Lãng phí năng lượng
1. Listen and read

Mai: Nam, I read yesterday that we all have a carbon footprint.

Nam: Well, we all have footprints - we make them with our feet!

Mai: Ha ha, I know that. But this kind of footprint is about the negative effect we have on the environment.

Nam: Right, it\'s in the news a lot these days.

Mai: So our footprint is bigger when we use energy that produces carbon dioxide. That\'s bad for the environment.

Nam: So it\'s better to have a smaller footprint, right?

Mai: Right, Nam. Non-renewable energy sources like coal, natural gas, and oil produce a lot of carbon dioxide. Those sources are going to run out soon too.

Nam: So, they\'re different to wind, hydro, and solar?

Mai: Yes, they\'re all sources of energy too, but they\'re renewable. That means we can\'t use them all up - they will last forever.

Nam: Do you have a big carbon footprint, Mai?

Mai: Mine\'s small. I recycle the products I use and I go everywhere by bike. We have solar panels on our roof at home to catch the sun\'s energy, too.

Nam: Oh no! I think my footprint is big, and not just because of these big shoes!
a) Read the conversation again and answer the questions

1. What is a carbon footprint?

2. What does 'non-renewable energy' mean?

3. Why is sunlight a renewable source?

4. Why does Mai think she has a small carbon footprint?

5. What things do you think might create a big carbon footprint?

It's about the negative effect we have on the environment

'Non-renewable energy' means that it will run out if we use it

Sunlight is a renewable source because we can't use it all up, it will last forever

Mai thinks she has a small carbon footprint because she recycles the products she uses and she goes everywhere by bike

The products we use that are bad for the environment or the energy we use that produces carbon dioxide might create a big carbon footprint
b) Complete the network below using information from the conversation

SOURCES OF ENERGY

RENEWABLE SOURCES

NON-RENEWABLE SOURCES

Wind

Hydro

Solar

Coal

Natural gas

Oil
2. Now, listen and repeat

the words and phrases
Wind

Coal

Natural gas

Nuclear
Biogas

Oil

Hydro

Solar
3. Put the words into the correct groups below
Renewable sources

Non-renewable sources
Example: wind
Example: coal
hydro

natural gas

biogas

nuclear

solar

oil
4. Practise asking and answering the questions about renewable and non-renewable sources.

A: What type of energy source is wind?

B: Practise asking and answering the questions about renewable and non-renewable sources.

A: What type of energy source is coal?

B: It's a non-renewable source.

Goodbye