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Chapter 4

Concept 2 Quiz

Concept 2 Quiz

Use examples to explain the difference between mechanical and chemical weathering and the variation in the rate of weathering.

This activity contains 15 questions.

	Chemical weathering will be most rapid in ____________ climates.   warm, dry cold, dry warm, wet cold, wet

	When a rock is subjected to ____________, it breaks into smaller pieces having the same characteristics as the original rock.   creep mechanical weathering eluviation oxidation chemical weathering

	Whenever the characteristics and internal structures of minerals have been altered by weathering, they have undergone   eluviation mechanical weathering creep chemical weathering mass wasting

	The atmospheric gas that forms a mild acid when dissolved in water is   argon nitrogen carbon dioxide silica oxygen

	Water expands when it freezes.    True  False

	This type of mechanical weathering process is commonly found associated with igneous rocks as overlying rock material is eroded away.   sheeting decomposition oxidation frost wedging none of the above

	Exposure of rocks at Earth's surface to water and atmospheric conditions is most likely to cause   precipitation exfoliation melting mechanical weathering chemical weathering

	Quartz chemically weathers to produce abundant clay minerals.    True  False

	Mechanical weathering increases the surface area available to chemical weathering processes.    True  False

	The rate of weathering depends on   particle size composition atmospheric conditions b and c only all of the above

	All rocks weather at the same rate.    True  False

	Frost wedging is most pronounced or effective in mountainous areas and this weathering process contributes to the formation of large piles of rocks called ___________ at the base of steep rocky cliffs.   spheroidal boulders talus slopes sheets exfoliation domes angular joints

	Which of the following is not a form of chemical weathering?   dissolution decomposition oxidation hydrolysis root wedging

	Iron-rich minerals and metals exposed to atmospheric conditions are most likely to weather through a process called   unloading oxidation wedging sheeting none of the above

	The rate of weathering increases in areas with high pollution.    True  False

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