Problem 1
In which physical state (solid, liquid, or vapor) does most of earth's free water exist? Which physical state accounts for the least?
Problem 2
Describe the movement of water through the hydrologic cycle. Explain briefly how energy is also cycled by the same processes.
Problem 3
Describe the factors that determine the velocity of stream flow and how those factors interact.
Problem 5
Give two examples of natural features that create temporary base levels. Why are they temporary?
Problem 7
Explain how a stream forms and shapes a valley.
Problem 8
Explain how an oxbow lake forms.
Problem 9
In what type of terrain would you be likely to find a V-shaped valley? Where would you be likely to find a meandering stream with a broad flood plain?
Problem 12
Describe the differences between an oligotrophic lake and a eutrophic lake.
Problem 13
What is a thermocline? Under what conditions does a thermocline form in a lake?
Problem 15
(a) Draw a cross section of soil and shallow bedrock, showing the zone of saturation, water table, and zone of aeration. (b) Explain each of the preceding terms.
