资源简介

(共30张PPT)
The Wonders
The Wonders
The Wonders
Unit 4
第一课时 1a-1d
of Nature
of Nature
of Nature
八年级下册英语人教版
Section A What is amazing about nature
In this unit, you will
1.talk about geography facts about natural
wonders.
2.compare facts about famous places.
3. share geography facts using large numbers.
4. explore how and why people connect with nature.
地理事实
自然奇观
大数字
建立联系
Look and Share
1. Do you know the name of the waterfall in the photo Where is it
It is Victoria Falls.
2. What do you think is special about it
I think it is large and wide.
It’s one of the three great waterfalls in the world.
3. What other natural wonders do you know
Yangtze River, the Great Wall,
Mount Qomolangma, ... ...
[ n t r l w nd z]
There are many amazing places in the world. Let’s go traveling!
AMAZING PLACES
Game Show
Look at the pictures and name them in English or Chinese.
Pre-listening
Mount Qomolangma
New words:
珠穆朗玛峰
/ t m lɑ m /
mountain
Game Show
Look at the pictures and name them in English or Chinese.
Pre-listening
Mariana Trench
New words:
马里亚纳海沟
/ m ri ɑ n trent /
trench
Game Show
Look at the pictures and name them in English or Chinese.
Pre-listening
Nile River
New words:
尼罗河
/na l r v (r)/
river
Game Show
Look at the pictures and name them in English or Chinese.
Pre-listening
Angel Falls
New words:
安赫尔瀑布（也译作“天使瀑布”）
/ e nd l f lz/
waterfall
Game Show
Answer the questions as quickly as you can.
Pre-listening
What’s the highest mountain on earth
It’s the Mount Qomolangma.
How high is it
It’s about metres high.
8,848.86
Game Show
Answer the questions as quickly as you can.
Pre-listening
What’s the biggest desert on earth
It’s the Sahara Desert.
How big is it
It’s about 9,000,000
(平方千米) in size.
square kilometres
Game Show
Answer the questions as quickly as you can.
Pre-listening
What’s the lowest place on earth
It’s the Dead Sea.
How low is it
Its (表面)is 416 metres below ___________(海平面).
/b 'l /
surface
sea level
salt lake
Game Show
Answer the questions as quickly as you can.
Pre-listening
What’s the deepest point in the ocean
It’s the Mariana Trench.
How deep is it
It’s about 11,000
.
metres deep
Match the places with the pictures.
1a
Pre-listening
____Nile River ____Angel Falls ____Mount Qomolangma
____Dead sea ____Sahara Desert ____Mariana Trench
F
A
D
C
E
B
A
B
C
D
E
F
[na l]
[ t m lɑ m ]
[ e nd l]
[s hɑ r ]
[ m ri n trent ]
While-listening
1b
Listen to the game plete the descriptions(描述) of the places.
Place Description
Mount Qomolangma the ________________ in the world
Sahara Desert the in the world
Dead Sea the on earth
Mariana Trench the ________________ in the ocean
highest mountain
biggest desert
lowest place
deepest point
What do they have in common
Mount Qomolangma is the highest mountain in the world.
the + 最高级 + 介词短语
[ t m lɑ m ]
[s hɑ r ]
[ m ri n trent ]
Look and say
Mount Qomolangma
Dead Sea
Sahara Desert
Yangtze River
Great Barrier Reef
大堡礁
Mariana Trench
[ t m lɑ m ]
[s hɑ r ]
[ b ri ri:f]
[ m ri n trent ]
A: What is the...on earth/in the ocean B: It’s the...
the highest mountain
the lowest place
the largest dessert
the third longest
river
the biggest reef
the deepest point
While-listening
1c
Listen again. Complete the measurements(测量数据) with the numbers below.
Place Measurement
Mount Qomolangma __________ metres high
Sahara Desert about __________ square kilometres in size
Dead Sea __________ metres below sea level
Mariana Trench about __________ metres deep
How to read numbers in English
25
100
525
999
twenty-five
one hundred
five hundred and twenty-five
nine hundred and ninety-nine
How to read numbers in English
1000
1,025
55,587
64.84
one thousand
one thousand and twenty-five
fifty-five thousand five hundred and eighty-seven
sixty-four point eight four
How to read numbers in English
9,600,000
18,657,432
nine million six thousand
eighteen million six hundred and fifty-seven thousand four hundred and thirty-two
Tip: 把长数字从右到左分为3个数字一组，用逗号隔开，第一个逗号看作 thousand，第二个逗号看作million（百万），第三个逗号billion（亿）
e.g. 1 , 234 , 567 , 891. 02
thousand
million
billion
Let's learn
How to read large numbers
416 8,848.86 11,000 9,000,000
416:
8,848.86:
11,000:
9,000,000:
four hundred and sixteen
eight thousand eight hundred and forty-eight point eight six
eleven thousand
nine million
/'m lj n/
While-listening
1c
Listen again. Complete the measurements(测量数据) with the numbers below.
Place Measurement
Mount Qomolangma __________ metres high
Sahara Desert about __________ square kilometres in size
Dead Sea __________ metres below sea level
Mariana Trench about __________ metres deep
8,848.86
9,000,000
416
11,000
km2 平方千米
海平面
基数词 + 单位词 + 形容词（long, wide, high, deep等）
/介词短语（in size, below sea level等）
Mount Qomolangma is 8,848.86 metres high.
Listen and repeat.
After-listening
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After-listening
P98
Listen, underline & answer.
What did the host ask about
the highest mountain
What is the highest mountain in the world
Height
How high is it
— It’s ...metres high.
the biggest desert
name the biggest desert in the world.
Size
How big is it
—It’s ...square kilometres.
the lowest place on earth
What’s the lowest place on earth
the deepest point in the ocean
Where’s the deepest point in the ocean
Depth
How deep is it
—It’s ...metres deep.
Question
/Request
Post-listening
Place Description Measurement
Mount Qomolangma the... in the world 8,848.86 ....
Sahara Desert the ... in the world about 9,000,000 ....
Dead Sea the .... on earth 416 metres ....
Mariana Trench the .... in the ocean about 11,000 metres...
A: What’s the lowest place on earth
B: It’s...
A: How low is it
B: It’s surface is... metres below sea level.
A: Now, what’s...
Talk about the places you have learnt about.
Work on 1d
Talk about the places you have learnt about.
Post-listening
A: What’s the lowest place on earth
B: It’s...
A: How low is it
B: It’s surface is... metres below sea level.
A: Now, what’s...
Checklists Star
1.Speak loudly and fluently. 声音响亮且流利
2.Ask and answer questions clearly. 问答清晰
3.Use correct facts about geography. 内容正确
Summary
Ask about natural wonders
Talk about geography facts
Give feedback (反馈)
What is amazing about nature
What’s the lowest / highest /
biggest / deepest place in
the world / on earth
How low / high / big / deep
is it
Where’s ...
It’s ...
It’s ... metres / kilometres
(deep / high). It’s ... square
kilometres (in size).
It’s in ...
Correct! / Right!
No, sorry./ Wrong.
That’s right/ correct!
Well done! /
Thinking
Why do you think humans are so excited about “the highest”, “the deepest” and “the biggest” things in nature
Because nature is so amazing.
Because they show the great power of nature.
Because people enjoy exploring and discovering new things.
Because humans want to learn more about the world.
Exercise
单词填空。
1. The Great Pyramid is a great ___________ (奇观) of the ancient world.
2. We need to get the exact ____________ (测量数据) of the room before buying the carpet.
3. The temperature today is five degrees ___________ (低于) zero.
4. The water __________ (水平面) in the lake is rising because of the heavy rain.
5. The _________ (表面) of the moon is covered with dust and rocks.
6. Mount Qomolangma is the _________ (high) mountain in the world.
7. The Sahara is by far the __________ (large) hot desert on Earth.
8. What’s the __________ (deep) point in the ocean — It’s the Mariana Trench.
9. Scientists use special tools for the ___________ (measure) of the trench’s depth.
10. We looked at the stars and __________ (wonder) if there is life in space.
wonder
measurement
below
surface
level
highest
largest
deepest
measurement
wondered
Exercise
“世界之最”填空。
The Amazon Rainforest is one of the _______ (large) tropical rainforests in the world.
亚马孙雨林是世界上最大的热带雨林之一。
The Nile River is the _________ (long) river in the world.
尼罗河是世界上最长的河流。
Victoria Falls is one of the _____________ (beautiful) waterfalls on the planet.
维多利亚瀑布是地球上最美的瀑布之一。
The Great Barrier Reef is the _________ (long) coral reef system in the world.
大堡礁是世界上长的珊瑚礁系统。
The Mariana Trench is the __________ (deep) ocean trench in the world.
马里亚纳海沟是世界上最深的海沟。
largest
longest
most beautiful
longest
deepest
Homework
Must do：
Choose to do：
1. Recite the key words and sentences of this lesson.
2. Finish the conversation in 1d and then write it down.
Research one new natural wonder (e.g., the Amazon Rainforest, the Great Barrier Reef) and make an information card with:
Its name; One superlative fact; One measurement

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