Earth Science- Weathering And Erosion Quiz

47 Questions  I  By Falvs17
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1.  What is the rapid fall of rocks, ranging in size from tiny fragments to large boulders, from a steep cliff?
A.
B.
C.
D.
2.  Rock is split or broken into smaller material without changing its composition.
A.
B.
C.
D.
E.
3.  Plowing soil in curved bands that follow the shape of the land, thus preventing soil from flowing directly down slopes.
A.
B.
C.
D.
4.  What are the factors that determin soil makeup?
A.
B.
C.
5.  What are the four agents of erosion?
A.
B.
C.
D.
6.  Examples of mechanical weathering. (mark all that apply)
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
7.  Occuring as a result of heavy rainfall, spring thaws, volcanic eruptions, or earthquakes, the sudden fall down a steep slope of masses of loose rock combined with soil is called a
A.
B.
C.
D.
8.  Found in eastern half of U.S. where amout of rainfall exceeds 25 inches a year, a lot of vegetation and acidic soil.
A.
B.
C.
D.
9.  Planting a field with one type of crop one year and a different type of crop the next year.
A.
B.
C.
D.
10.  A relatively flat landform near seal level.
A.
B.
C.
11.  Constant erosion reduces the __________ of the soil by removing the A horizon, which contains humus.
A.
B.
C.
12.  What occrs along very steep slopes when saturation by water and loss of friction with underlying rock cause loose soil to slip downhill in one huge piece?
A.
B.
C.
D.
13.  A broad, flat landform that has a high elevation. Subject to much more erosion than a plain.
A.
B.
C.
14.  Soil made from local bedrock.
A.
B.
C.
15.  Zone of soil are called
A.
B.
C.
16.  How do some farming and ranching practices increase soil erosion?
A.
B.
C.
D.
E.
17.  Thin sheets of soil removed prevent by--grass, continued plowing, crop rotation, strip crop, terraces.
A.
B.
C.
18.  Running what is the most effective agent of erosion.
A.
B.
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19.  Found in western half of U.S. where rainfall is less than 25 inches a year, basic soil.
A.
B.
C.
20.  The movement of a large mass of sediment or a section of land down a slope is called
A.
B.
C.
D.
21.  Wearing down of particles.
A.
B.
C.
22.  Topsoil, gray or black, has humus.
A.
B.
C.
23.  What may occur in dry regions guring a sudden, heavy rainfall or as a result of volcanic eruptions, with mud churning and tumbling down slopes and through valleys?
A.
B.
C.
D.
24.  The breakdown of rock due to exposure to the atmosphere, weather, plants and animals.
A.
B.
C.
D.
E.
25.  Rock fragments and slighty weathered bedrock..you keep diging here, you'll eventually hit soil rock.
A.
B.
C.
26.  This horizon is formed from the leaching of horizon A.
A.
B.
C.
27.  Small, narrow-topped formations.
A.
B.
C.
28.  Removal of loose particles by wind--most important effect by wind.
A.
B.
C.
29.  Subsoil, more clay is washed down.
A.
B.
C.
30.  An accelerated soil erosion caused by the plowing of furrows up and down slopes that allows water to run swiftly over soil, carrying away the topsoil, is called
A.
B.
C.
31.  Definition of creep.
A.
B.
C.
D.
32.  A smaller plateau that are tablelike areas.
A.
B.
C.
33.  The entire arrangement of horizons are called
A.
B.
C.
34.  What are five examples of mass movements?
A.
B.
C.
D.
35.  Most important result of weathering is
A.
B.
C.
36.  Building steplike ridges that follow the contours of a sloped field, thus slowing the down slope movement of water.
A.
B.
C.
D.
37.  Examples of chemical weathering. (mark all that apply)
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
38.  Once the plants die that are on top of the horizon, the nutrients make
A.
B.
C.
39.  Process by which rocks break down as a result of chemical reactions.
A.
B.
C.
40.  Soil that was moved by wind or glacier.
A.
B.
C.
41.  High elevation and latitude, very few layers, shallow..permafrost.
A.
B.
C.
42.  The slow, downslope flow of soil saturated with water over hard or frozen layers in areas surrounding glaciers at high elevations is called
A.
B.
C.
D.
43.  Planting crops in alternating bands, one of which is a cover crop that slows rain runoff.
A.
B.
C.
D.
44.  Most important factor affecting soil is
A.
B.
C.
45.  Warm and wet, speed up chemical weathering.
A.
B.
C.
46.  Rates of weathering. (mark all that apply)
A.
B.
C.
D.
E.
F.
47.  Three examples of wind erosion.
A.
B.
C.
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