1. Unit 13 Water Planet 桂林七中 钟翌

2. Without you, I can’t grow greener. Without you, I can’t bloom more beautiful. Without you, I can’t swim happier. Without you, I can’t travel everywhere. Only YOU make these possible. We Love You Forever!

3. Water

4. Do you know what will happen?

5. The properties of water Reading:

6. 特性分子原子氧气氢气含盐量密度容量运动固体 property molecule atom hydrogen oxygen salinity capacity density solid motion

7. Introduction Chemical Structure Density Salinity Heat Capacity Ocean Motion Importance of water

8. Let ‘s read the text again.

9. How much do you know about water according to the text?

10. You are excellent!

11. Supposed that our school is proposing an action in order to improve the sense of saving water and protecting water. Do you have any good ideas to make this action carried out more effectively?

12. What can you learn from this lesson?

13. We should remember: Nothing is as precious as a drop of rain. The most important thing we learn about water is that we must protect it and use it wisely.

14. Cherish Life Save Water Begin from me!

15. Homework: 1.Review the properties of water. 2. Finish the exercise 1-2 on Page 21

16. So much for this lesson.