課程目標 Lesson objective: 

1. 了解水污染的原因和防治方法

2. 認識四種空氣汙染，對人體有何影響以及如何防治

3. 學習如何觀看空氣狀態品質

課程任務 Lesson Assignment:

1. Lesson 1-1st Period:water, air and noise pollution, waste, industrial waste, plastic pollution

2. Lesson 2-1st Period: make a water filter to clean dirty water; surface runoff, oil spill,  industrial waste or sewage, trash

3. Lesson 2-2nd Period: Presentation

Hello, everyone. We are Team ________.

This is our water filter.

The top layer is ____________________.

The middle layer is ________________.

The bottom layer is ________________.

Our water quality:

PH is ________, TDS is __________（mg / L）.

4. Lesson 2-3rd Period: Co-teacher teaches

5. Lesson 2-4th Period: make a pollution catcher; mobile sources, stationary sources, area sources, natural sources, pollutant, acid rain, smog

6. Lesson 2-5th Period: chest pain, coughing, itchy eyes, asthma