Review Quiz Section 9

	1. For a glacier to retreat, a) the rate of ablation must not exceed the rate of accumulation. b) the rate of calving must exceed the rate of ablation. c) the rate of ablation must exceed the rate of accumulation. d) none of the above.

	2. Waves tend to converge on headlands and diverge in bays is a result of the process of _______________. a) refraction b) beach erosion c) spit formation d) water breaker

	3. A medial moraine is developed a) on the side of a glacier. b) at the end of the glacier. c) in the bergschrund. d) in the middle of two coalesced glaciers. e) none of the above

	4. The distance measured between two successful wave troughs is called the a) wave height. b) wave base. c) wavelength. d) wave frequency.

	5. How do continental glaciers form? a) freezing of rivers. b) freezing of lakes. c) freezing of groundwater. d) none of the above.

	6. Groins are artificial structures designed to produce beach erosion for the owners who build the groin. a) True b) False

	7. The farthest advance of a glacier is marked by the __________ moraine. a) end b) terminal c) medial d) lateral

	8. As you go from lower to higher latitudes on the planet, the altitude of the snow line in glaciers should a) increase. b) stay the same. c) decrease. d) very randomly e) none of the above

	9. Which of the following theories best explains the reason why the earth experienced several periods of glaciation during the Pleistocene Epoch? a) Superposition b) Earth's precession c) Earth's orbit about the center of the galaxy d) Sea level decreased worldwide

	10. The longshore current has a direction that is _____________ to the shoreline. a) perpendicular b) parallel c) non-directional (It is a fictitious water current.)

For questions or comments regarding these pages contact Dr. Alan Scott / scotta@uwstout.edu / this page was last updated September 14, 2006