How much do you and your family know about water? Test your knowledge by answering the following questions with your family. If you do not know the answer search our web site for clues. Good Luck! Click Here for the answers.
1. What percentage of the earth's surface is covered by water?
a. 40%
b. 80%
c. 92%
d. 65%
2. Water is found on earth naturally in three forms. What are they?
3. People can survive for this long without water.
a. a few seconds
b. a few weeks
c. a few days
d. a few months
4. What amount of water on earth is available for our consumption?
a. 10%
b. 25%
c. 80%
d. less than 1%
5. Water moves from place to place and changes states in a process called the __________.
6. The volume of earth's water is constantly changing. (true or false)
7. Potable water is drinkable water. (true or false)
8. The chemical symbol for water is _________.
9. The steps of the water cycle are ________________, _________________, ______________, _________________ and ________________.
10. The energy to make the water cycle work is provided by
a. the solar system
b. the sun
c. decomposition
d. the moon
11. Precipitation can be in the form of
a. rain
b. sleet
c. snow
d. all of the above
12. MWD staff monitors water quality around-the-clock, and performs more than _________ tests each year to ensure drinking water safety, taste and clarity.
a. 300
b. 3,000
c. 30,000
d. 300,000
13. You can conserve water by
a. not using your toilet as a trash can
b. turning off the faucet as you brush your teeth
c. taking a 3-5 minute shower
d. all of the above
14. The water coming out of your faucet could contain molecules that dinosaurs drank. (true or false)
15. The process of adding a chemical to kill waterborne microorganisms is?
a. sedimentation
b. flocculation
c. disinfection
d. filtration
16. To flush a toilet, how much water is used?
a. 1-3 gallons
b. 4-7 gallons
c. 8-11 gallons
d. 12-15 gallons
17. Running a dishwasher once a day takes how much water?
a. 15 gallons
b. 18 gallons
c. 20 gallons
d. 22 gallons
18. Turning the water off while you brush your teeth saves how much water per brushing?
a. less than 1 gallon
b. 1 gallon
c. 2.5 gallons
d. 3.5 gallons
19. Underground water basins are called?
a. aqueducts
b. aquifers
c. surface runoff
d. canals
20. ____________ water can be used for almost everything except drinking.
