1. Water J2B ＃ 8 白千晏 Emily J2B ＃ 8 白千晏 Emily2008.04.20 The Story of Water

2. Agenda All about H 2 O Using & Saving Quality & Quantity Water Quality Tips Around the House the HouseQ&A

3. All about H 2 O  What is it?  One O atom + two H atom  Deserts: less than 25mm a year  Tropical rainforests : Over 10,000mm a year  Where does it come from?  Water is everywhere  Over 70% of Earth’s surface is covered with water 97% salt water 1% fresh water 2% glacier ice

4. Using & Saving  How do we use it?  Domestic( 家庭的 ) Use  Recreational( 娛樂的 ) Use  Industrial( 工業的 ) Use  Hydroelectric( 水力發電的 ) Power

5. Quality & Quantity  Quality ( 品質 )  Quantity ( 數量 )  What can we do to improve the water quality?  Stop Storm Drain Pollution  Reduce Household Hazardous Waste  Protect and Restore Local Water Source

6. Water Quality Tips Around the House  In the Bathroom:  The Sink :Repair leaky( 漏水的 ) faucets and always turn off your taps tightly so they don't drip.  Shower/Tub :Have showers instead of baths and keep them short (5 minutes).  Toilet :Install a low-flush toilet, or place a toilet insert or weighted plastic bottle filled with water in the water tank.  And you can do the same things in the kitchen, garden, and in the laundry room. garden, and in the laundry room.

7. Q&A 1.How much water does the desert have a year? (A)20 mm (B)25mm (C)30mm (D)35mm 2.When people dump garbage or toxins down the storm drain, they didn’t pollute the water.( true or false?) 3.What can we do to save the water? No matter what you say, do something for the earth. No matter what you say, do something for the earth.

8. Thank you