Facts About Water

1. What percentage of the earth's water is freshwater?

A) 25%
B) 5%
C) 3%
D) 12%
E) 8%

2. What is the source of energy for the water cycle?

A) The sun
B) Wind energy
C) The earth's rotation
D) Ocean tides
E) Coal fired power plants

3. What is the name for a small stream that flows into a bigger stream?

A) Tributary
B) Lentic stream
C) Small stream
D) Loptic stream
E) Dendritic stream

4. What is the largest ocean?

A) Atlantic
B) Pacific
C) Indian
D) Lake Superior
E) Arctic

5. Which of these is not one of the five Great Lakes?

A) Ontario
B) Hudson
C) Huron
D) Superior
E) Michigan

6. What is the process by which vapor becomes a liquid or solid?

A) infiltration
B) transpiration
C) condensation
D) precipitation
E) evaporation

7. What is most of the freshwater used for in the USA?

A) livestock
B) public supply
C) irrigation
D) industry
E) mining

8. What state uses the most freshwater in the USA?

A) Florida
B) California
C) Arizona
D) New York
E) Colorado

9. What state uses the most water for mining?

A) Wyoming
B) Texas
C) Washington
D) Oklahoma
E) Montana

10. What makes water smell like rotten eggs?

A) dead animals in the water
B) Hydrogen sulfide gas
C) the type of rocks that the water flows through
D) it really is rotten eggs in the water
E) man made pollution

11. Sometimes a glass of drinking water looks cloudy or milky - why does this happen?

A) tiny air bubbles
B) it is really soap stuck to the glass
C) pollution
D) it is the turbidity
E) water purification chemicals from the water treatment plant

12. What percentage of your body is water?

A) up to 40%
B) up to 60%
C) up to 30%
D) up to 70%
E) up to 50%

13. What is the longest river in the world?

A) Amazon
B) Mississippi
C) Nile
D) Congo
E) Rio Grande

14. How much water does the average person use each day?

A) 100 to 120 gallons
B) 60 to 80 gallons
C) 80 to 100 gallons
D) 20 to 40 gallons
E) 40 to 60 gallons

15. Water is the only substance that can exist as a liquid, gas and solid?

A) True
B) False

16. Water covers about 70% of the entire earth.

A) False
B) True

17. The water in the ocean is good to drink.

A) False
B) True

18. Water is a(n) _________ resource.

A) extinct
B) renewable
C) unusable
D) abundant

19. The water that dinosaurs drank _________.

A) was not the same kind of water that we drink today
B) is gone
C) was salt water
D) is still in the water cycle

20. After rain falls upon the earth, it may _________.

A) all of the above
B) evaporate again very soon
C) travel downhill until it reaches the ocean
D) stay underground for years

21. What are clouds?

A) masses of evaporated water
B) masses of cotton balls
C) masses of condensed water formed by cooled water vapors
D) masses of condensed potato soup

22. If we use too much water, someday it will all be gone.

A) True
B) False

23. Water vapor is a _________.

A) gas
B) liquid
C) solid
D) plasma

24. Plants and trees contribute to the water cycle by evaporating through their leaves by _________.

A) evaporation
B) transpiration
C) condensation
D) infiltration
E) precipitation

25. Two percent of our fresh water supply is unusable because it is frozen in _________.

A) tundra
B) mountains
C) glaciers
D) oceans

26. When water hits land and is soaked into the ground, the water becomes _________.

A) vapor
B) groundwater
C) plant food
D) solid

27. The water cycle is also called the hydrologic cycle.

A) True
B) False

28. Water contracts (gets smaller) when it freezes.

A) True
B) False

29. Water has a high surface tension (sticks to itself).

A) True
B) False

30. Condensation is water coming out of the air.

A) True
B) False

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