资源简介

(共31张PPT)
Lesson 1
Key question
What should we learn about the Earth
Unit 4
The Earth
K: What do you KNOW about the Earth
W: What do you WANT to know about the Earth
L: What have you LEARNT about the Earth
First thoughts:
Think:
Unit objectives:
land
sea
clouds
Before you read
the solar system
the Sun
the Earth
clouds
land
the sea
The Earth
the Sun
the sea
land
clouds
the solar system
绕着...运行
be covered by
被...覆盖
据我们所知
Pre-reading
The Amazing planet
forests
plants and animals in the sea
happy children
Task 1 What does each picture show us
Prediction:
What do you think will be talked about in the passage
Pre-reading
Earth
Brainstorming:
What things are there on Earth
Pre-reading
living things
places
forests
rivers
lakes
the sea
deserts
mountains
fields
animals
people
plants
While-reading
Task 2
Look at the pictures, listen to the tape and find paragraphs to go with each picture.
While-reading
Task 3 Choose the best topic for each paragraph in the article.
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
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 quickly
Skim(扫读) the passage.
Find repeated words.
Look at the first sentence or the last sentence.
(They may be the topic sentences.)
Reading skills
While-reading
While-reading
Task 4 Read the article and finish the mind map.
Places
01
The amazing (1) _______
02
Plants
planet
freezing
deserts
sea level
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.
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 ________ as a grain of rice.
reach
cold
small
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.
While-reading
04
People
03
Animals
whales
amazing
provides with
explore
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.
The amazing planet
wide open sky
While-reading
Task 5 Read para 2 and answer the questions.
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.
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
While-reading
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.
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.
Task 6 Read para 3 and answer the questions.
While-reading
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
Tigers, lions and bears live on land.
Birds, butterflies enjoy the wide open sky.
Blue whales, fish and seahorses call the sea home.
Task 7 Read para 4 and answer the questions.
While-reading
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.
Task 8 Read para 5 and answer the questions.
(1) What does the Earth provide the things we need
A. Food and air B. Water and energy
C. Money and home D. Both A and B
(2) What should we do about the Earth
A. We should study hard and read more books.
B. We should learn more and look after our home.
C. We should know more about the Earth.
(3) Why did the writer write this paragraph
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.
Post-reading
Task 9 Find sentences in the article to go with these photos(P54).
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.
Post-reading
Task 9 Find sentences in the article to go with these photos(P54).
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.
Post-reading
Task 10 Read the article again and find evidence to support the statements.
(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.
Places
Plants
Some are ______. Some are ______. There are ______.
The highest ______ is ______.
The deepest ______ is ______.
Animals
People
Some live _______________.
Other animals enjoy ____________.
______ call the sea __________.
It provides us with ______. It is our ______ and the only ______.
The tallest trees can ______.
The smallest plant is ______.
Post-reading
Task 11 Retell the text with the mind map.
The
amazing
planet
Post-reading
Task 12 Discuss with your classmates.
How can we show our care for our planet
Post-reading
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...)
Post-reading
There is only one Earth.
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.
...
Post-reading
Let’s protect the Earth together and let it be a beautiful place forever!
Exercise(P55)
1 Below are some sentences from the article on page 53. Choose the correct meaning for the words and phrases in italics.
(1) Some places are very hot, like the areas near the equator.
a towns b deserts c places
(2) The tallest trees in the world can reach over 100 metres in height.
a grow to b touch c feel
c
a
Exercise(P55)
(3) And what’s more, the Earth provides us with all the things we need ...
a however b finally c besides; in addition
(4) And what’s more, the Earth provides us with all the things we need ...
a gives b stops ... from c protects
(5) Let’s explore, learn about and take care of our home.
a understand b discuss c find out more about
c
a
c
Exercise(P55)
2 Complete the passage with the words and phrases in italics from Exercise 1. Change the form if necessary.
reach
explore
areas
What’s more
provides
with
THANKS

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