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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