Step 1. Pre-reading,  

课前播放动画（We are going green）

1.Enjoy a video：

 I am your new teacher today,Today we have another new friend. It is earth.

(教授earth)In the past, the earth was very beautiful. But now it is dirty and messy, so we should protect it.

课题导入：protect the earth。

Step 2 .While-reading,

1.  watch and answer

How can we protect the earth?

Ss: save water. save energy. save trees and don’t use to much plastic

2. Read and underline

①Read part one and answer: why should we save water? How can we save water？

②小组合作，自读阅读第2、3、4段，请用横线划出为什么，波浪线划出怎么做。

③核对答案

3. Reading time

4.Let’s retell

 Work in groups, and retell in groups.

5  5.Let’s introduce

   As a guardian of the Earth, tell others about your protection of the Earth!

Step 3. After- reading,

What else should we do to protect the Earth？

Let’s make environmental handbooks together!

Tips: 1、Finish your group’s paper card

3、Make a report

3. Group show

 Protect the Earth, protect ourselves.