Lesson 8 Why Are Plants Importan？课件ppt音

Let’s Do It! 1 Read the lesson and tick the items mentioned.
□√ People can eat plants or use them as medicine. □√ Plants help make the air clean and fresh. □√ Many animals live in the forest.
□Books，paper，pencils and erasers all come from plants.
□√ Animals eat the fruit from the trees. □√ The plants cover the soil and can stop the dust. □√ When the weather is sunny and hot，people can sit in the shade under a tree. □√ The plants make everything look beautiful.
Presentation:
Why do we need trees?
shade /ʃeid/ n.阴凉处;树荫
When the weather is sunny and hot, people can sit in the shade under a tree. It’s nice and cool.
Pair work: Work in pairs and ask and answer like this：
A： We can't live without trees and plants. B: Why do we need trees and plants ? B： Trees and other plants are important to people. …
into food. (4) Medicine and clothing are made from trees and plants. (5) Many animals live in the forest and eat the fruit from the
trees. (6) Cover the soil. (7) Plants make everything look beautiful.
Presentation:
Why do we need trees and plants?
/ɔil/ n. 土; 土壤 Trees and plants cover the soil. That way, the wind and
water don’t carry the soil away.
Why do we need trees and plants ? (1) Clean the air. (2) Sit under a tree in the shade. (3) The trees and plants take energy from the sun and turn it
Medicine and clothing are also made from trees and plants. be made from 由…制成
Trees help us fulfill our basic needs.
/ful'fil/ v.
达到;执行
/'beisik/ adj.
基本的;基础的
Presentation:
Why do we need trees and plants?
The trees and plants is important to animals, too. Many animals live in the forest and eat the fruit and leaves from the trees.
And they are important to animals, too. …
Listening: Listen to the lesson and answer the question:
1. What are Danny, Jenny and Brian talking about?
They are talking about trees and the reason why we need them.
so many + n.复数
J: I love this forest. There are so many trees and plants. The air is always clean
2. Why do we need trees and plants?
Presentation:
Why do we need trees and plants?
Trees and plants help clean the air. They can make the environment more beautiful.
Presentation:
Why do we need trees and plants?
The trees and plants take energy from the sun and turn it into food.
Presentation:
Why do we need trees and plants?
冀教版 八年级下
Unit 2
Lesson 8 Why are plants important?
Warming-up: Let’s enjoy a video:
Free Talk:
Talk about these twБайду номын сангаас questions in groups:
1. What plants grow near your home?
□People use wood from trees to build houses and furniture.
Reading:
Read the lesson again and take notes.
Danny, Jenny and Brain are walking in a forest.