Lesson 3.02 The Water Cycle

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1. How much of the Earth’s surface is covered with water?
   1. 71%
   2. 90%
   3. 41%
   4. 50%

   Answer: a. 71%

2. Where is most of Earth’s freshwater found?
   1. Ice caps and glaciers
   2. Oceans
   3. Rivers
   4. Oceans and Rivers

   Answer: a. Ice caps and glaciers

3. What is responsible for distributing water throughout the environment?
   1. Hydrologic cycle
   2. Thermoelectrical production
   3. Oceans
   4. Transpiration

   Answer: a. Hydrologic cycle

4. Which two processes are responsible for forming clouds?
   1. Evaporation and Condensation
   2. Transpiration
   3. Evaporation
   4. Thermoelectrical production

   Answer: a. Evaporation and Condensation

5. Besides the ice caps and glaciers, what is the next largest source of Earth’s freshwater supply?
   1. Groundwater
   2. Oceans
   3. Watersheds
   4. Aquifer

   Answer: a. Groundwater

6. What is the process in which plants give off water to the atmosphere through specialized structures in their leaves?
   1. Transpiration
   2. Evaporation
   3. Condensation
   4. Thermoelectrical production

   Answer: a. Transpiration

7. In which part of the water cycle can water be found in the gaseous state?
   1. Evaporation
   2. Transpiration
   3. Condensation
   4. Aquifer

   Answer: a. Evaporation

8. Which of the following phases is not found in the water cycle?
   1. None of the above
   2. Liquid
   3. Solid
   4. Gas

   Answer: a. None of the above

9. Which part of the water cycle is the beginning?
   1. The water cycle does not have a beginning.
   2. Thermoelectrical production
   3. Evaporation
   4. Condensation

   Answer: a. The water cycle does not have a beginning.

10. Where on Earth does most of the surface water evaporation occur?
    1. Oceans
    2. Rivers
    3. Watersheds
    4. Aquifer

    Answer: a. Oceans

11. What accounts for most of the freshwater usage in the world?
    1. Agriculture
    2. Oceans
    3. Watersheds
    4. Groundwater

    Answer: a. Agriculture

12. What accounts for most of the freshwater usage in the United States?
    1. Thermoelectrical production
    2. Watersheds
    3. Aquifer
    4. Oceans

    Answer: a. Thermoelectrical production

13. What is the name for the systems of lakes, rivers, ponds, and streams that collect the precipitation that does not soak into the soil?
    1. Watersheds
    2. Aquifer
    3. Oceans
    4. Groundwater

    Answer: a. Watersheds

14. What is the name of the structures that hold/store groundwater?
    1. Aquifer
    2. Thermoelectrical production
    3. Oceans
    4. Transpiration

    Answer: a. Aquifer

15. What is the process in which humans give water vapor off into the atmosphere?
    1. Respiration
    2. Evaporation
    3. Transpiration
    4. Condensation

    Answer: a. Respiration