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Study Guide Answers

1.     Gradation is sometimes referred to as "___________________ ."
     denudation
2.     The process that breaks rock into increasingly smaller fragments is called "___________________ ."
     weathering
3.     "___________ ____________________ " describes the downslope movement of broken rock.
     Mass wasting
4.     The deep, penetrating cracks in rock surfaces, which aid in the gradational process are called: a.) denudation b.) joints c.) fault lines d.) exfoliation
     b.) joints
5.     The places where rock cracks have actually caused rock to break and shifting to occur are called: a.) exfoliation b.) denudation c.) joints d.) fault lines
      d.) fault lines
6.     When granite rocks, formed deep within the earth's crust, are exposed to the surface by uplifting and erosion, the process is called: a.) fault lines b.) exfoliation c.) denudation d.) joints
     b.) exfoliation
7.     Weathering occurs [more rapidly / more slowly] along joints and faults than on unbroken surfaces.
     more rapidly
8.     Mechanical weathering is to frost wedging as chemical weathering is to salt wedging. True or false?
     false
9.     Mountaintops, deserts, and arctic regions are more prone to [mechanical / chemical] weathering processes.
     mechanical
10.     Of algae, lichens, and fungi, which is composed of the other two?
     lichens
11.     The common rust found on objects containing iron is caused by: a.) oxidation b.) carbonation c.) hydration d.) solution
     a.) oxidation
12.     Limestone sinkholes result from the process of: a.) oxidation b.) carbonation c.) hydration d.) solution
     d.) solution
13.     Limestone weathers faster in [humid / dry] conditions.
     humid
14.     When loose material reaches its angle of repose, it [will / will not] move downhill.
     will not
15.     The slow, downslope movement of loose material, where melted water from winter snows is trapped in the upper layer of soil is called_______________________________ .
     soliflucation
16.     Another name for a mudflow is "____________________________ ."
     lahar
17.     Downslope movements of snow, rock, and glacial ice are called _______________________ .
     avalanches
18.     The principal agents of erosion are: ___________________________
     wind
19.     ___________________________.
     water
20.     ___________________________.
     glacial ice
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.