2026外研版新教材 英语八年级下册 Unit 5 Developing ideas-Listening&speaking 同步课件

(共43张PPT)
Developing ideas
Listening & Speaking
Learning Objectives
Lead in
Listening
Speaking
Homework
Key Points
学生能够认识到自然界充满未解之谜，保持对自然的好奇心。
学生能完成一小段对话，话题为an unsolved secret of nature。
学生能够尽可能多地使用之前板块和本版块的核心词汇，以及学生用书Useful expressions
中的表达。
核心词汇：Amazon rainforest, boiling, as hot as, cook, clean, make tea, cool down, heavy rain, amazing, wonder, possible, sunshine, unlikely, heat, volcano, reason, chemical, produce, do more research等。
（1）标绿单词：已学复现
（2）标红单词：多模态呈现
（3）加粗单词：三级词汇
Amazon rainforest
Meaning: 亚马逊雨林
The Amazon rainforest is very important for the Earth.
(亚马逊雨林对地球非常重要。)
boiling
/ b l /
adj. & v.沸腾的；煮沸
The water is boiling.(水正在沸腾。)
三级词汇
as hot as
含义：和……一样热
例句：Today is as hot as yesterday.
（今天和昨天一样热。）
"as + adj. + as" structure indicates comparison of equality.
cook
三级词汇
/k k/v. & n.烹饪；厨师
cook dinner(做晚饭)
My mother is a good cook.
我妈妈是个好厨师。
clean
/kli n/adj. & v.
干净的；清洁
clean the room (打扫房间)
Keep your room clean. (保持你的房间干净。)
三级词汇
make tea
Meaning:泡茶
Example:She is making tea for her guests.
她正在为客人泡茶。
cool down
Meaning:冷却；冷静下来
Example:Let the soup cool down before you eat it.
(喝汤前让它冷却一下。)
heavy rain
Meaning:大雨 (Downpour)
Example:
We can't go out because of the heavy rain.
（因为下大雨，我们不能出去。）
English Vocabulary Learning Nature & Weather
amazing
三级词汇
/ me z /adj.
令人惊奇的；惊人的
It's amazing how fast he runs.
他跑得那么快，真令人惊奇。
wonder
/ w nd (r)/n. & v.
奇迹；想知道 (miracle; want to know)
wonder about(想知道)
The Great Wall is one of thewondersof the world.
长城是世界奇迹之一。
三级词汇
possible
/ p s bl/ adj.
可能的
as...as possible(尽可能……)
Is it possible to finish the work today
今天完成这项工作可能吗？
三级词汇
sunshine
/ s n a n/n.
含义：阳光
I like to sit in the sunshine. (我喜欢坐在阳光下。)
三级词汇
unlikely
/ n la kli/
adj.不太可能的
It's unlikely to rain tomorrow.(明天不太可能下雨。)
三级词汇
heat
/hi t/
n. & v.
热；加热
The heat from the fire made us warm.
(火的热量使我们感到温暖。)
三级词汇
volcano
/v l ke n /
n. 火山
The volcano erupted last year. (这座火山去年喷发了。)
三级词汇
reason
/ ri zn/
n. & v.
原因；理由；推理
the reason for
……的原因
What is the reason for your absence
你缺席的原因是什么？
三级词汇
chemical
/ kem kl/n. & adj.
化学物质；化学的
Water is a chemical compound.
水是一种化合物。
三级词汇
produce
/pr dju s/
v.
生产；制造；产生
This factory produces cars.
这家工厂生产汽车。
三级词汇
do more research
Meaning:做更多的研究
Example:We need to do more research on this topic. 我们需要对这个主题做更多的研究。
Look at the pictures and think about the questions.
What do you see in the pictures
Do you know them very well
Read “DID YOU KNOW” and match the pictures with the names of the secrets.
black hole
Bigfoot
The Loch Ness Monster
the beginning of the universe
Think about the question and share in class.
Which of the secrets interests you most
black hole
Bigfoot
The Loch Ness Monster
the beginning of the universe
Read and predict.
A group of people are on a guided tour, and the guide is talking about an unsolved secret in South America.
亚马逊雨林
adj. 很热的，滚烫的
Listen and choose.
A group of people are on a guided tour, and the guide is talking about an unsolved secret in South America.
√
What is special about the river
Read and think.
What information should you listen for
Listen again and answer the questions.
How hot is the river
What do the local people do with it
What does the speaker think of the river
It is as hot as 86℃.
They cook, clean and make tea with it. And they sometimes go swimming in it after heavy rain.
He thinks that it’s one of the most amazing wonders of the rainforest.
令人惊叹的奇迹/奇观
Think and share.
Why do you think the river is so hot
Read and predict.
The tourists and the guide are having a heated discussion about the reasons.
n. 火山
n. 化学物质
adj. 不太可能的
Listen and complete the table.
sunshine
heat the river
becomes hot
700 kilometers
in the water
produce
possible
research
Read and answer.
How many possible reasons are mentioned in the conversation
Are the tourists sure of their ideas How do you know
Read and find.
Find more expressions that talk about possibilities in Activity 3.
Perhaps/Maybe...
It’s unlikely for...to do…
That’s possible.
Role-play.
Work in pairs, role-play a guide and a tourist, and discuss the possible reasons of the Boiling River.
Perhaps/Maybe...
It’s unlikely for...to do…
That’s possible.
Look and say.
What unsolved secrets of nature do the pictures show
Crop circles (麦田怪圈) are special patterns in crop fields, usually appearing overnight. Some guess they are made by humans for fun or art, by animals’ activities, by strong winds, or left by aliens or UFOs.
Look and say.
What unsolved secrets of nature do the pictures show
Atlantis (亚特兰蒂斯) is a famous ancient legend of a rich, beautiful island that disappeared suddenly. People think it might be destroyed by a big earthquake, flooded by a huge flood or tsunami, sank due to volcano eruptions, or just a story that is not real.
Work in pairs. Choose one secret and talk about possible explanations.
Discuss and share.
Must do:
Write a short passage to introduce the Boiling River, including its temperature, uses, the guide’s opinions, and possible reasons.
Choose to do:
Write a 6–8 sentence dialogue about an unsolved secret of nature and its possible causes, using the words and expressions learned in this lesson.
Blackboard design
Talking about possibilities:
Perhaps/Maybe…
It’s unlikely for…to do…
That’s possible.
Thank you!