課程目標 Lesson objective: 

1. 課堂上利用吹乒乓球活動，讓學生理解風是如何產生推力。

2. 學生能理解風力能產生推力與電力，並學習相關之詞彙與目標句。

3. 學生能分組製作紙船，並利用風能在水道上競賽。

課程任務 Lesson Assignment:

1. 1st period: Students will learn about wind energy and how it is used to move objects like sailboats.

2.  2nd period: Students will make their own sailboats to race next class using hand fans.

3.  3rd period: Race and Assessment day. 

4. Vocabulary: Sailboat, sail, power, push, wind 

5. Target sentence: 

Our sailboat moved using wind energy.

Our sailboat didn’t move with wind energy.