(共15张PPT)
Unit 2
Air
教学目标:
1.能听、说、读、写本课的核心词汇:air, everywhere , alive, factory, smoke, dirty, clean, plant
2.能熟练掌握核心句型: It keeps them high in the sky.
3.读懂描述空气污染的对话。
T: Ok, class begins. Hello boys and girls. S: Hello, teacher.
T: Sit down please.
S: Thank you.
T: Great. Now you can see I have a bag here. In this bag, there is something important to you(just all of you).I want you to guess what is is my bag Just think and guess.(叫几个学生回答问题,学生们可以发挥想象)
T: Good. Now I open it and you just take a look. Can you see anything (叫几名学生,去证实这个情况)
T: Wonderful. Now, touch it. Put your hands in my bag. Can you feel anything (叫几名学生,自己去感受)
S: No.
T: Ok, now let’s see it together. It’s just an empty plastic bag. But in it it’s very important to you, to all of us. We all depend on it. What is it
S: It is air.
T: Great. It is air. So today we are talking about air. Unit 2 Air (read after me)
It has no colour or shape.
It has no smell or taste.
We cannot see it, but we can feel it.
It is everywhere.
It is important to all people.
It is also important to animals and plants.
We all need it to keep us alive.
Look at the kite and the balloon.
Look at the plane and the bird.
They all need it too.
It keeps them high in the sky.
What is it
According to these pictures and other information, you need to complete this passage (根据这些照片和其他的信息,你需要补全这篇文章)
It has no colour or shape.
It has no smell or taste.
We cannot see it, but we can ______ (feel touch) it.
It is everywhere.
feel
It is _____________ to all people.
It is ______(also too)important to animals and
plants.
We all need it to keep us alive.
important
also
Look at the kite and the balloon.
Look at the plane and the bird.
They all __________ it too.
It keeps them high in the sky.
need
role play
Homework:
Change the air into water
and then write a passage .
Thank you