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(共21张PPT)
UNIT 4
The Wonders of Nature
Section A 2a-2d
Knowledge & Vocabulary
Master key words: deep sea, submersible, ocean floor, Fendouzhe, rubbish etc.
Know key depth facts: Fendouzhe’s dive, the start of the deep sea, the Titanic’s depth, and the deepest whale dive.
01
Listening Skills
Predict conversation topics before listening.
Identify discussed topics and complete fill-in-the-blanks with key details from the audio.
02
Learning Objectives
Speaking & Thinking
Ask and answer questions about the deep sea with a partner.
Understand the importance of protecting the deep ocean.
03
Here is a deep sea mysterious box.
Let’s open it to see what’s inside
Some animals here create their own light.
There is rubbish even here.
You could hide Mount Everest here.
Lead in
What do these clues tell us about the deep sea
dark
being polluted
pressure
strange fish
submarines
Lead in
The deep sea is darker and colder as we go down.
How deep the ocean can be
“Do you believe it ”
The Mariana Trench is deeper than Mount Everest is tall.
2a What do you know about the deep sea Try to label the depths in the picture with the information on the left.
B. Depth at which the deep sea begins
C. Depth at which the Titanic rests
D. Deepest dive of a whale
A. Depth Fendouzhe reached
Fendouzhe is China's manned deep-sea submersible, which reached a depth that set a new record for China's deep-sea diving.
Some deep-sea animals create their own light – it’s like having a flashlight in the dark!
Pre-listening
Rubbish has been found even in the deepest parts of the ocean.
Let’s predict.
where the deep sea begins
why people are researching the deep sea
which Chinese vessel dived deeper than others
what deep-sea animals are like
how everyone should protect the deep sea
Which ones do you think will be mentioned in the following listening
A. To find more fish for food.
B. Out of curiosity and because we don't know enough about the ocean floor.
C. To build underwater cities.
1.Why are many countries researching the deep sea
What is true about many deep-sea animals
A. They are all small and colorful.
B. Some are blind but can still "see," and some make their own light.
C. They all live near the surface of the ocean.
What surprising fact about the deep sea does Mr Jones mention
A. There are no living things at 11,000 meters deep.
B. There is rubbish even at 11,000 meters deep.
C. China's Fendouzhe is the only submersible to reach the deep sea.
Listen to the conversationand think about the questions below.
Listen for question words: where, why, which, what, how
Listen for names: Fenoduzhe (a Chinese vessel)
Listen for numbers: depths, years
Listening tips
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions
Emma: I do! Why are so many countries____________the deep sea
Mr Jones: Well,_________is one reason. We don't know enough about the _________.
Fu Xing: I remember that in 2020, China's _________ __dived deeper into the Mariana Trench than many other vessels in the world and filmed it. But I didn't see any deep-sea animals. What are they like
Mr Jones: Well, many deep-sea animals are large and________. Some animals are_______ , but they can "see" as well as others. Some even create their own ______!
Peter: Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there's_________even at__________metres deep That shocked many people.
Ms Gao: That's terrible! We should do something about it.
Mr Jones: You're right!
researching
curiosity
ocean floor
Fendouzhe
blind
light
rubbish
Listen to the conversation again and fill in the blanks
unusual
11,000
where the deep sea begins
why people are researching the deep sea
which Chinese vessel dived deeper in the water than many others
what deep-sea animals are like
how everyone should protect the deep sea
2b A class is asking a deep-sea researcher some questions after his talk.Listen and tick the topics they discuss.
Let’s check the answer
2c Listen again. Complete the sentences with the facts from the conversation.
People still don't know much about the ______.
In ______, China's Fendouzhe dived into the deep sea and ______ it.
Many deep-sea animals are ______ and ______.
Some animals have unusual abilities. Some are ______ but can "______". Some even create their own ______!
There is rubbish even at ______ metres deep.
ocean floor.
2020
filmed
large
unusual.
blind
light!
"see".
11,000
What can you learn from this passage
1. What do Emma, Fu Xing and Peter’s questions tell us about asking good questions
Good questions come from listening carefully and wanting to know more. They often start with Why, What, How.
2.Why does Mr Jones mention “rubbish at 11,000 metres deep” What does this tell us about the deep sea
The deep sea is not only mysterious and amazing – it is also vulnerable. We should care about it even though it’s far away.
What can you learn from this passage
Why is the deep sea important
What threats does it face
3.What can we do
biodiversity, climate, unknown resources
rubbish, mining, pollution
reduce plastic, support ocean protection
Summary: What kind of learners are Emma, Fu Xing and Peter
Student What they do What we can learn
Emma Asks about reasons Be curious about why
Fu Xing Shares what he knows, then asks for more Connect old and new knowledge
Peter Asks for more surprising facts Always want to go deeper
2d Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner.
What is the largest shark in the deep sea
Why is the deep sea important to us
What is the bottom of the deep sea like
What other vessels dived to the bottom of the ocean
A: What is the largest shark in the deep sea
B: The largest shark that ever lived was the megalodon.
It was about 20 metres long.
But it is extinct now.
A: What is the largest shark in the deep sea
B: The largest shark alive today is the whale shark.
But it doesn't live in the deep sea.
In the deep sea, sharks are usually smaller, like the frilled shark.
A: What is the bottom of the deep sea like
A: What other vessels dived to the bottom of the ocean
.
A: Why is the deep sea important to us
B: It's very dark and cold.
The bottom is covered with soft mud.
There are mountains, volcanoes, and deep trenches.
B: In 1960, the Trieste went to the bottom of the Mariana Trench.
In 2012, James Cameron went there alone in the Deepsea Challenger.
In 2020, China's Fendouzhe also reached the bottom
B: It helps control the Earth's temperature.
It is home to many animals we haven't discovered yet.
And it gives us food and maybe new medicines.
Think about...
Animals: What other strange creatures live there
Environment: How cold is it How much pressure
Exploration: How do scientists study the deep sea
Protection: What can we do to help
For all ：Research one deep-sea animal and write 3 sentences about it. (应用实践)
For some：
1.Find the answer to one question you asked today. (迁移创新)
2.Design a poster: "Protect the Deep Sea" with one fact and one slogan. (综合创造)
Homework

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