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英语外研版八年级下册
Living with nature
Developing ideas (1)
Unit 6
通过本课时的学习,学生能够:
1. 听懂两段听力材料,准确获取沙漠中太阳能的应用方式、太阳能公园的规模与价值等信息;
2. 掌握听取问题的听力策略和引起听众兴趣的谈话策略。
3. 了解复合名词的重音规则;
4. 理解合理利用可再生自然资源的重要性,增强节约能源、保护自然的意识。
重点
Learning objectives
1. What’s this project for?
2.What natural resource does it use?
3. What other natural resources can we use to produce energy?
It’s for producing energy.
Sunlight.
Wind, water , coal, gas, oil and wood.
Look and answer
Read the content in Did You Know and answer the question.
1. Why do people need to make cleaner energy choices today?
2. What are the advantages of using solar energy compared to traditional energy sources like wood and oil?
The sun was our first energy source, giving us light and heat. Later, people learnt to use different natural materials for energy, such as wood and oil. Today, the effects of climate change require people to make cleaner choices. We are back to using the sun – in a modern way!
Read and answer
Read the content in Did You Know and answer the question.
1. Why do people need to make cleaner energy choices today?
2. What are the advantages of using solar energy compared to traditional energy sources like wood and oil?
Read and answer
People need to make cleaner energy choices today because of the effects of climate change.
Compared to wood and oil, solar energy is cleaner, does not produce harmful gases, and is a renewable energy source that helps to reduce the effect of climate change.
Do you have any solar-powered things at home?
What other uses of solar energy can you think of?
Free talk
Listen to the conversation and choose the main idea.
a Mike and his dad want to learn more about the solar park.
b Mike and his dad spend a day in the desert using only solar energy.
c Mike and his dad are able to cook food and charge a phone using the sun.
/tʃɑːdʒ/
(使)充电
/ ˈdezət/
沙漠;荒漠
/ˈenədʒi/
能源
Listen and choose
Listen and mark the stress. Then repeat.
Phonetics in use
Stress in words (2)
For compound nouns, the stress is usually on the first syllable. For example, sunlight.
greenhouse countryside
hometown rainfall
Listen and learn
Mike’s problems Dad’s solution
It’s so hot. They have hats with 1.__________.
The hats can help Mike 2. _________.
They can work for 3.___________.
They are powered by 4._________.
He wants to have 5.__________. They have a solar cooker.
They can cook some 6. __________ with it.
It was quick.
Their phone is almost 7.____________. They have solar power 8.________.
They use 9. __________ to make electricity.
They can charge their phone.
Listen again and complete the table.
fans
cool down
a whole day
sun
lunch
beef
Listen and complete
out of power
banks
sunlight
/ɪˌlekˈtrɪsəti/
电、电能
What do they use solar energy to do in the desert?
Listen and answer
They use solar energy to power the fans on the hats, cook beef with the solar cooker, and charge their phone with solar power banks.
Listening for questions
To listen for questions, focus on question words like what and expressions like do you know and can you tell me. You can also listen to the tones of speakers to find questions.
Read and learn
Learning to learn
Mike: Wow! It's already hot at 8:00 am. Dad, can we really stay in the desert for a whole day?
Dad: Don't worry. This part of the desert is safe. And I've made a lot of preparations. Here you are. These are hats with fans!
Mike: That really helps me cool down! But can they work for a whole day?
Dad: Yes, of course. They're powered by the sun! They won't stop working with so much sunlight.
[After four hours]
Dad: It's noon. Let's take a break.
Mike: What shall we have for lunch?
Dad: Let's cook some beef with our solar cooker.
Mike: That was quick! Um, our phone is almost out of power...
Dad: It's OK. Look at these solar power banks. They use sunlight to make electricity. We can charge our phone with them.
Mike: Wow. The sun is so powerful. I really look forward to visiting the solar park here in Ningxia. I've just found a news report about it...
Work in groups to imitate and act out the dialogue. Pay attention to the questions and tone of the speakers.
Let’s act it out
Stay cool with solar-powered fans.
Cook food with a solar cooker.
Charge devices with solar power banks.
Light up the night with solar lights.
Mary and her parents are going to travel in the desert. Can you give them some suggestions on how to use solar energy?
Always place your solar devices in direct sunlight, away from shadows. This will help them work more efficiently.
Think and share
Listen to the radio and complete the notes.
cover
ocean
20
a million homes
desert
under
local
/ɪnˈvaɪrənmənt/ 生态环境
Listen and complete
Listen again. Then talk about how the speaker draws the listener’s interest.
Think and share
Drawing listeners’ interest
To draw listeners' interest, use exciting words like amazing or beautiful. Also, use language that makes listeners feel curious, eg Can you believe that? Try to address listeners directly, and use a positive tone.
Learning to learn
1. What natural resource is it?
2. How do people get energy from it?
3. What do people use the energy for?
Water.
People build dams and power stations to turn the energy of falling water into electricity.
People use the energy to power homes, run factories and so on.
Look and answer
→Useful expressions
Work in pairs. Talk about another natural resource that we use for energy.
Look and answer
We all know that...
... is one of the biggest...
It helps us…
Another natural resource that we use for energy is...
We... to get energy from it.
One way to... is to...
... is clean energy.
What natural resources do we use for energy?
Have you seen...? It's...
Amazing. Do you know how...?
A: What natural resources do we use for energy?
B: Hydropower is clean energy.
A: Have you seen the Baihetan Dam on the Jinsha River? It’s really powerful.
B: Amazing. Do you know how it works?
A: Yes. The dam holds lots of water. When the water is let out, it runs into a
machine and makes electricity. Then the electricity is sent to people’s homes.
B: That’s very interesting! Hydropower really helps us use natural resources
wisely and protect our environment.
Sample
share my idea of using clean energy resources.
understand how people use natural resources to proctect the environment.
know more about solar energy.
Summary
After learning this lesson, I can:
Write 3 sentences about solar energy, using the words: solar energy, clean, renewable.
Choose one clean energy (solar / water / wind). Complete the card.
Name of energy: ________
Is it clean? ________
How do we get energy from it? ________
What do we use it for? ________
Need to do
Choose to do
Homework
Thank you!
外研版八年级下册
Unit 6
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