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(共38张PPT)
Unit 4 The Earth
The amazing planet 阅读优质课
（沪教版2024）七年级
上
Learning objectives
1
Lead in
Pre-reading
3
While-reading
Post-reading
5
Summary
Assessment
7
Homework
2
4
6
8
1
Learning objectives
After learning this lesson, you can:
1. Learn about our beautiful home planet.
2. Summarize the main idea of a paragraph by identifying the topic sentence and summarizing keywords.
3. Understand the language used by the author in the text and retell the text using a structural diagram.
4. Talk about how to protect the Earth.
2
Lead in
Earth / θ/ n. the world;
the planet that we live on
amazing / me z / adj.
very surprising
fact /f kt/ n.
a thing that is known to be true, especially when it can be proved
地球是世界上独一无二的事物，前面要有定冠词the。
2
Lead in
the solar system
the Sun
the Earth
clouds
land
the sea
Look at the pictures and fill in the blanks with the words and the phrase below.
solar system
the sun and all the planets that move around it
The Earth is one of the planets in the solar system.
/l nd/
/ s l s st m/
What are the blue parts
What are the green and brown parts
What are the white parts
clouds land sea
Look at the photo of the Earth,
and answer the questions below.
2
Lead in
land
sea
clouds
We live on Earth. Earth is our home. About 70% of the Earth is covered by water.
2
Lead in
4. Which is the hottest place
A. South Pole B. Equator C. North Pole
5. Where can you see most plants
A. In the desert. B. In the forest. C. Under the sea.
2
Lead in
/ dez t/
/ kwe t (r)/
n. an imaginary line around the earth at an equal distance from the North and South Poles
/p l/
n. either of the two points at the opposite ends of the line on which the earth or any other planet turns
Choose the right answer.
2
Lead in
6. Which of the animals can fly in the sky
A. Whales. B. Tigers. C. Eagles.
7. Where are we likely to see snow
A. At the bottom of the sea.
B. In the middle of the desert.
C. At the top of the mountain.
The Earth
the Sun
the sea
land
clouds
the solar system
2
Lead in
Complete the fact file with the words and phrases.
被……覆盖
据我们所知
事实档案
3
Pre-reading
Look at the photos and the title of the article. then answer the questions below.
What does each picture show us
What is the planet
3
Pre-reading
Prediction:
What do you think will be talked about in the passage
forests
plants and animals in the sea
happy children
4
While-reading
Look at the pictures, listen to the tape and find paragraphs to go with each picture.
4
While-reading
Identifying the topic sentence of a paragraph
The topic sentence of a paragraph introduces the main idea. It is usually at the beginning or the end of the paragraph.
For example, the topic sentence of paragraph 3 above is The plants on Earth are wonderful in many different ways.
Reading strategy
How to get the main idea of a paragraph
The Earth is home to millions of animals. Some, like tigers and lions, live on land. Other animals, like birds, enjoy the wide open sky. Big blue whales call the sea home, along with many amazing fish. From bears to birds, from butterflies to seahorses, animals make our planet lovely and interesting.
And what's more, the Earth provides us with all the things we need, such as food, water, air and energy. It is our home and the only planet we know that supports life. Let's explore, learn about and take care of our home.
Can you find more topic sentences in the article
4
While-reading
Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
Paragraph 5
a Plants on Earth
b Home to people
c Amazing Earth
d Places on Earth
e Animals on Earth
Choose the best topic for each paragraph in the article.
4
While-reading
Read the article and finish the mind map.
Places
02
04
01
The amazing (1) _______
03
The plants on Earth are wonderful in many different ways.
The tallest trees in the world can (5) _________ over 100 metres in height.
The smallest plant is as small as a grain of rice.
Plants
Some places are very hot, some are (2) __________ _________.
·There are fields and mountains, rivers and seas, forests and (3) _________.
The highest mountain on Earth is over 8,800 metres above (4) _________ _________.
The deepest part of the sea is over 10,000 metres down.
planet
freezing
deserts
sea level
reach
4
While-reading
cold
The Earth is our home and the only planet we know that supports life.
The Earth (9) __________ us _____ all the things we need, such as food, water, air and energy.
Let’s (10) ________, learn about and take care of our home.
04
03
People
Animals
The Earth is home to millions of animals.
Some live on land, and others enjoy the (6) ________ ________ ________.
Big blue (7) ________ call the sea home, along with many (8) ___________ fish.
They make the Earth lovely and interesting.
wide
whales
amazing
provides with
explore
The amazing planet
open sky
4
While-reading
Read para 2 and answer the questions.
4
While-reading
Some places are very hot, like the areas near the equator. Some are freezing cold, like the North and South Poles. There are fields and mountains, rivers and seas, forests and deserts. The highest mountain on Earth is over 8,800 metres above sea level. And the deepest part of the sea is more than 10,000 metres down.
area n. / e ri / part of a place, town, etc., or a region of a country or the world
What is the weather like in different places on Earth
A. Over 100.　 B. Over 800.　 C. Over 8,800. D. Over 10,000.
How many metres above sea level is the highest mountain on Earth
freezing adj.
/ fri z / extremely cold
4
While-reading
Read para 3 and answer the questions.
The plants on Earth are wonderful in many different ways. The tallest trees in the world can reach over 100 metres in height. The smallest plant is as small as a grain of rice.
reach /ri t / v. to arrive at a particular point
grain /ɡre n/ n. a small hard piece of particular substances
What are these plants like
as...as... 和……一样……
第一个as是副词，后接形容词或副词的原级
否定形式为not as/so …as …
今天的天气和昨天一样暖和。
The weather today is as warm as yesterday.
4
While-reading
Read para 4 and answer the questions.
The Earth is home to millions of animals. Some, like tigers and lions, live on land. Other animals, like birds, enjoy the wide open sky. Big blue whales call the sea home, along with many amazing fish. From bears to birds, from butterflies to seahorses, animals make our planet lovely and interesting.
What animals are mentioned and where do they live
butterfly
/ b t fla /
Tigers, lions and bears live on land.
Birds, butterflies enjoy the wide open sky.
Blue whales, fish and seahorses call the sea home.
along with... 与……一起；连同……
莫妮卡买了一件新裙子，还买了一双鞋。
Monica buys a new dress, along with a pair of shoes.
4
While-reading
Read para 5 and answer the questions.
And what’s more, the Earth provides us with all the things we need, such as food, water, air and energy. It is our home and the only planet we know that supports life. Let’s explore, learn about and take care of our home.
(1) And what’s more, the Earth provides us with all the things we need ...
a however b finally c besides; in addition
(2) And what’s more, the Earth provides us with all the things we need ...
a gives b stops ... from c protects
(3) Let’s explore, learn about and take care of our home.
a understand b discuss c find out more about
provide sb. with sth. ＝provide sth. for sb. 为某人提供某物
The Earth provides us with all the things.
= The Earth provides all the things for us.
4
While-reading
Read para 5 and answer the questions.
And what’s more, the Earth provides us with all the things we need, such as food, water, air and energy. It is our home and the only planet we know that supports life. Let’s explore, learn about and take care of our home.
Why is the Earth important to us human beings
Because the Earth provides us with all the things we need.
A. To introduce the Earth's energy.
B. To explain why this planet has food.
C. To show the importance of the Earth to us.
D. To tell how people use the water and the air.
Why did the writer write this paragraph
5
Post-reading
There are fields and mountains, rivers and seas, forests and deserts.
The tallest trees in the world can reach over 100 metres in height. The smallest plant is as small as a grain of rice.
Find sentences in the article to go with these photos.
Some, like tigers and lions, live on land. Other animals, like birds, enjoy the wide open sky. Big blue whales call the sea home, along with many amazing fish.
And what’s more, the Earth provides us with all the things we need, such as food, water, air and energy.
5
Post-reading
Find sentences in the article to go with these photos.
(1) There are both hot and cold places on Earth.
___________________________________________________
___________________________________________________
(2) The Earth is full of life.
___________________________________________________
___________________________________________________
___________________________________________________
(3) The Earth is very important to us.
___________________________________________________
___________________________________________________
Some places are very hot, like the areas near the equator. Some are freezing cold, like the North and South Poles.
The plants on Earth are wonderful in many different ways. The Earth is home to millions of animals. It is our home and the only planet we know that supports life.
... the Earth provides us with all the things we need, such as food, water, air and energy.
Read the article again and find evidence to support the statements.
5
Post-reading
5
Post-reading
Discuss with your classmates.
What do you think makes the Earth an amazing planet
How can we show our care for our planet
living things
colors
The Earth is _________________.
an amazing planet
plants
animals
people
places
clouds
land
sea
forests
fields
rivers
mountains
weather
cloudy
sunny
rainy
...
...
...
5
Post-reading
5
Post-reading
There is only one Earth.
How can we show our care for our planet
go to school or work by bus or by bike
sort and recycle rubbish
plant
more trees
use clean energy
(wind energy...)
5
Post-reading
Let’s protect the Earth together and let it be a beautiful place forever!
5
Post-reading
What have you learned about the Earth
There is only one Earth.
The Earth is amazing.
The Earth is important to us.
It’s our duty to protect the Earth.
...
6
Summary
Find out the phrases from the textbook.
1. 太阳系 _________________
2. 事实档案 _________________
3. 被……覆盖 _________________
4. 据我们所知 _________________
5. 南北两极 ____________________
6. 海平面 _________________
7. 超过 _________________
8. 在高度上 _________________
solar system
fact file
be covered by ...
as far as we know
the North and South Poles
sea level
more than
in height
6
Summary
9. 在许多不同方面 ___________________
10. 和……一样小 _________________
11. 一粒米 _________________
12. 是……的家园 _________________
13. 数以百万计的 _________________
14. 更重要的是 _________________
15. 提供；供应 _________________
16. 例如 _________________
17. 学习；了解 _________________
as small as ...
a grain of rice
be home to ...
millions of
what’s more
in many different ways
provide ... with ...
such as
learn about
6
Summary
7
Assessment
Self-assessment Marks
I can understand science articles that introduce the Earth. 1 2 3 4 5
I can understand the viewpoint that the Earth has many amazing facts. 1 2 3 4 5
I can use mind maps and questions to retell the text. 1 2 3 4 5
I am able to express my views on protecting the earth. 1 2 3 4 5
8
Homework
1. Recite new words and expressions .
2. Retell the text with the mind map.
3. Create a poster that shows the beauty of the Earth with both images and text, showcasing the terrain, landforms, and biodiversity.
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