(共37张PPT)
Unit 3 The Earth
Getting ready & Reading
The Earth
Getting ready
1.How do you feel when you see these pictures
2.What should we do
Talk About
We live on the Earth.
Earth is our home.
About 70% of the Earth is covered by water.
About planets
Mercury
Venus
There are 8 planets in the solar system.They are…
水星
金星
Mars
Jupiter
火星
木星
Saturn
Uranus
土星
天王星
Neptune
海王星
The Moon is 380.000k.m far from the Earth.
The Sun rises from the East, falls down from the West.
The Moon moves around the Earth.
The Earth moves around the Sun.
Reading
A What do you know about …
A1 Look at the photos and write the correct words in the blanks.
________
________
________
________
stars
the Earth
the Sun
the Moon
clouds land sea
A2 In pairs, discuss the questions below.
1 What are the blue parts
_____________________
2 What are the green and brown parts
_____________________
3 What are the white parts
_____________________
They are the clouds.
They are the sea.
They are the land.
What things are there on Earth
Predicting
What is the poster about
It is about the Earth.
Protect the Earth
Here are some key words from each paragraph of the poster. Match each paragraph with the correct picture.
What things are there on Earth
Picture 1
Picture 2
Picture 3
Picture 4
Paragraph 3
many people air, water and food our home
Paragraph 1
forests rivers mountains field very hot very cold
Paragraph 2
different plants large small different animals on the land in the sky under the water
Paragraph 4
pollution pollutes the air rubbish kills animals and plants
Protect the Earth
There are also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home.
There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water.
The Earth is a beautiful place.
There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold.
Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
Places on Earth
Plants and animals
People on Earth
Pollution
We must stop doing these things. It is important for us to protect the Earth for our future.
Protect the Earth
The Earth is a beautiful place.
There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold.
There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water.
There are also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home.
Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
We must stop doing these things. It is important for us to protect the Earth for our future.
A good poster has:
1 The Earth provides us with air, water and food.
a gives b shows
2 We burn things to make energy.
a set … on fire b make … very strong
C1 Do you know the meanings of the words in italics
Circle the correct answers.
Vocabulary exercises
3 This pollutes the air.
a makes … clean b makes … dirty
4 This pollutes the Earth and kills animals and plants.
a cleans b makes … die
5 It is important for us to protect the Earth for our future.
a keep ... safe b change
1 Tom: The water from the factory is dirty.
Bob: Yes. We must not let it (1)___________ the river. We must
do something to (2)___________ the river.
Tom: Yes. It’s (3)___________ for us to do something about this.
C2 Complete the conversations with the words from the box.
burn important pollute protect provide … with
pollute
protect
important
2 Jack: Forests are very important. Do you know why
Joe: Of course. They (4)___________ us ____________ a lot of
things. For example, wood and fruit.
Jack: You’re right. Many people still (5)___________ wood to
make energy.
burn important pollute protect provide … with
burn
provide with
Comprehension exercise
(1) The weather in different places on Earth is different. ( )
(2) Different animals live in different places. ( )
Tell whether the following statements are true or false and give supporting details.
Some places are very hot, and some are very cold.
Some live on the land.
Some fly in the sky.
Some live under the water.
T
T
(3) People can get air, water and food from the Earth. ( )
(4) There is a lot of pollution only because people put rubbish into the sea and under the ground. ( )
T
F
The Earth provides us with air, water and food.
provide … with
put … into
We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
D1 Find sentences beginning with There is/are ... from the poster on page 31 to go with these photos.
Today, there is a lot of pollution.
There are also many people like you and me on Earth.
There are many different plants. There are different animals on Earth too.
There are forests and rivers, mountains and fields.
Listen and read
The Earth is a beautiful place.
There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold.
There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water.
Protect the Earth
There are also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home.
Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
We must stop doing these things. It is important for us to protect the Earth for our future.
Retell the text
Protect the Earth
Places on Earth
Plants and animals
People on Earth
Pollution
What must we do
forests rivers mountains fields very hot very cold
different plants large small
different animals on the land
in the sky under the water
many people air, water and food our home
stop doing these things important
protect the Earth future
pollution pollutes the air
rubbish kills animals and plants
Language points
The Earth provides us with air, water and food.
provide sb. with sth.
____________________________
Can you make a sentence
We put our rubbish into the sea and under the ground.
______________________
put sth. into …
Where should we put the rubbish
It is important for us to protect the Earth for our future.
It is + adj. + for sb. to do sth.
Translate the sentences into English.
It is good for us to read English every day.
It is important for people to save water.
节约用水是很重要的。
把垃圾倒入海里是不正确的。
每天朗读英语是有好处的。
It is wrong for people to put rubbish into the sea.
Comprehension
D2 Read the poster again and answer the questions below in complete sentences.
1 What is the weather like in different places on Earth
2 Where do animals live on Earth
3 What does the Earth provide us with
Some places are very hot, and some are very cold.
Some live on the land. Some fly in the sky. Some live under the water.
The Earth provides us with air, water and food.
*D3 What else do you know about the Earth Discuss this in groups.
S1: What things are there on Earth
S2: There are forests and rivers, mountains and fields. Some places are hot, and some are very cold.
S1: What else is on Earth
S3: There are many different plants.
Some are large. Some are small. …
There is/are ... Some ... Some ...
1. 流利地朗读课文 。
2. 完成下列汉译英。
Homework
我每天完成许多作业。
在我们教室里有四扇窗户。
小明想要一杯橘子汁。
地上有一张纸。
森林为人类提供了木材。
感 谢 观 看
