GEO 102 Chapter Test

GEO 102 Chapter Test - Chapter 14 Glacial and Periglacial...

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Chapter 14: Glacial and Periglacial Landscapes MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of these statements is correct? A) Subarctic climate regions with seasonally snow-free ground are periglacial regions. B) Periglacial regions can sometimes feature polygonal rock formations. C) Permanently frozen subsurface ground is called permafrost. D) Periglacial regions occupy about 20% of Earth's land area. E) All of these are correct. Answer: E 2) Drumlins look like ___________ and they occur ____________. A) mesas; in isolation B) mesas; in swarms C) inverted spoons; in swarms D) roche moutonnée; in isolation E) inverted spoons; in isolation Answer: C 3) Which of the following types of moraines is not oriented perpendicular to the direction of ice flow? A) recessional B) terminal C) medial Answer: C 4) Patterned ground phenomena may include A) circles, hummocks, and stripes of arranged rocks B) polygon nets C) rocks arranged in geometric forms D) all of these Answer: D 5) A characteristic area of low, rolling relief, deranged drainage patterns, and unsorted materials is a A) lateral moraine B) till plain C) valley train D) medial moraine Answer: B 6) Glacier surges may be associated with A) water pressure B) ice quakes C) mass imbalance
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D) all of these E) b and c only Answer: D 7) The Great Lakes of North America were created by A) continental glaciers that deposited ice in till plains B) isostatic subsidence of the crust C) continental glaciers that carved deep troughs that filled with water D) cirque glaciers Answer: C 8) Which of the following is not a depositional feature formed by, or in association with, a continental glacier? A) esker B) lateral moraine C) kame D) unstratified till E) outwash plain Answer: B 9) Unfrozen ground in a region of discontinuous permafrost is known as A) nunatak B) talik C) patterned ground D) cryotic zone Answer: B 10) Which of the following is true? A) The Earth wobbles on its axis. B) The ellipticity of the Earth's orbit varies through time. C) The Earth's axial tilt varies through time. D) All of the above are true. E) b and c only Answer: D 11) Which of the following does not consist of stratified glacial deposits? A) kame B) esker C) drumlin Answer: C 12) Sorted glacial drift characteristic of stream-deposited material is called A) erratic B) moraine C) stratified drift D) till Answer: C
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13) Glacial polish results from A) ice plucking B) regelation C) abrasion D) rotation of ice about a vertical axis Answer: C 14) The opposite of the accumulation zone in a glacier is the A) ablation zone B) snow and firn area C) abrasion zone D) equilibrium line Answer: A 15) Temperatures increased ______ from the Pleistocene Epoch to the Holocene Epoch. A) 6 degrees C (10.8 degrees ) B)
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This note was uploaded on 10/08/2009 for the course GEO 102 taught by Professor Staff during the Winter '08 term at Oregon State.

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GEO 102 Chapter Test - Chapter 14 Glacial and Periglacial...

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