Practice Questions for Exam III: (The number of the questions below do not reflect the emphasis of one topic or another on the exam.)

1. The continuous movement of water from the oceans to the atmosphere, from the atmosphere to the land, and from the land back to the sea is known as:
A. Evapotranspiration
B. Kreb's Cycle
C. Hydrologic cycle
D. Atmospheric Cycle
E. None of the above
2. The flow of water in natural streams is:
A. Turbulent
B. Laminar
C. Erratic
D. Viscous
E. Sheet flow
3. As sediment is transported in a stream moving toward the stream's mouth:
A. Sand grains become smaller in size.
B. Sand and gravel grains become more feldspar-rich.
C. Sand and gravel grains become more quartz-rich.
D. Both (A) and (B) above.
E. Both (A) and (C) above.
4. Rapid mass wasting of soil material is most likely to occur during a:
A. Wind storm
B. Dry period
C. Student demonstration
D. Heavy rain
E. Sharp freeze
5. To calculate groundwater flow velocity using Darcy's Law, you need to know everything listed below EXCEPT:
A. The porosity.
B. The direction of flow.
C. The hydraulic conductivity (permeability).
D. The gradient.
6. Any rock with high porosity must also have high permeability (true or false).
A. True
B. False
7. The competency of a stream increases as its velocity increases (true or false).
A. True
B. False
8. An unconformity between older horizontal sedimentary layers below and younger horizontal sedimentary layers above is called:
  A. a disconformity
  B. an angular unconformity
  C. a non-conformity
  D. a non-conformist.
  E. None of the above.
   
9. With respect to groundwater, the top of the saturated zone is called the:
  A. pool table
  B. water table
  C. well water
  D. lake level
  E. None of the above.
   
10. An isotope of an element, such as uranium, has:
  A. The same number of neutrons, but different numbers of protons.
  B. The same number of protons and the same number of neutrons, but different numbers of electrons.
  C. The same number of protons, but different numbers of neutrons.
  D. Different numbers of electrons.
  E. None of the above.
   
11. When a stream goes around a meander bend the fastest part of the flow is _____________.
  A. along the inside of the loop near the point bar.
  B. at the water's surface, in contact with the atmosphere.
  C. along the outside of the loop near the cut bank.
  D. along the channel bed at the very deepest part of the channel
  E. None of the above.
   
12. In a sequence of folded sedimentary layers, one would expect to find the ________ rocks in the center of an anticline.
  A. Oldest
  B. Youngest.
  C. Most beautiful.
  D. Highest.
  E. Hardest.
   
13. Ductile or plastic deformation without breakage (faulting) is most likely to occur under which of the following circumstances?
  A. Rapid deformation near the earth's surface.
  B. Rapid deformation at some depth (2-15 km) in the crust.
  C. Slow deformation near the earth's surface.
  D. Slow deformation at some depth (2-15 km) in the crust.
  E. Rapid, then slow, then rapid deformation at great depth (>30 km).
   
   
Answers:
1 = C; 2 = A; 3 = E; 4 = D; 5 = B; 6 = B; 7 = A; 8 = A; 9 = B; 10 = C; 11 = C; 12 = A; 13 = D
 
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