1)What percentage of the earth's water is fresh? a) About 25% b) About 50% c) 2 % d) Less than 1%

2)How long can a person live without water? a) A month b) A week c) A day d) A year

3)How much water a day does a person need to stay healthy? a) 3 tall glasses b) 4 tall glasses c) 2.5 gallons d) 2.5 quarts

4)How much of the human body is water? a) 90% b) 25% c) 66% d) 78%

5)Water is composed of: a) 2 molecules of oxygen and 1 molecule of hydrogen b) 1 molecule of oxygen and 2 molecules of hydrogen c) 2 molecules of hydrocarbons and 1 of oxygen

6)What is non-point source pollution a) Lead contamination b) Pollution that comes from objects that are not sharp c) Pollution that is caused by rainfall carrying containments into our waterways d) Pollution that comes from only one source

7)What is a watershed a) A place for storing hydroponic gardening tools b) The pool at the base of a waterfall c) An area of land that drains all of the rain and snowfall to a single point

8)How large is the Croton Watershed? a) 30 feet b) 3 square miles c) 318 square miles d) 318 acres

9)How much of Westchester's drinking water is provided by the Croton reservoir system? a) 10% b) 35% c) 90% d) 85%

10)If you pour 5 quarts of oil down a storm drain, how large an oil slick will it create? a) An area the size of two football fields b) An area the size of your kitchen table c) An area the size of an ice skating rink d) An area the size of a swimming pool

11)How can you help keep our water clean a) Try not to use pesticides or fertilizers on your lawn b) Properly dispose of household chemicals c) Pick up pet waste d) Make sure your septic tank is serviced regularly. e) All of the above

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