Earth Science- Weathering And Erosion Quiz

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