Earth Science- Weathering And Erosion Quiz

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 Earth Science- Weathering And Erosion Quiz
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  • 1. 
    What are the four agents of erosion?
    • A. 

      Gravity, soil, landslides, water

    • B. 

      Wind, water, landslides, air

    • C. 

      Gravity, glaciers, wind, water

    • D. 

      Glaciers, gravity, air, soil


  • 2. 
    How do some farming and ranching practices increase soil erosion?
    • A. 

      By clearing plants.

    • B. 

      By allowing water to go on the land.

    • C. 

      By letting the land die and buring the crops.

    • D. 

      By clearing plants or allowing animals to overgraze destroys this groundcover.

    • E. 

      By removing all the horizons in the soil and letting bedrocks form.


  • 3. 
    Running what is the most effective agent of erosion.
    • A. 

      True

    • B. 

      False


  • 4. 
    What are five examples of mass movements?
    • A. 

      Creeps, talus's,avalanche,streams,mudflow.

    • B. 

      Avalanche,mudflow,landslide,dune.

    • C. 

      Gullying,creep,talus,landslide,earthquake.

    • D. 

      Avalanche,mudflow,creep,landslide,slump.


  • 5. 
    Definition of creep.
    • A. 

      Very,very slow down slope movement of rocks. (no water needed)

    • B. 

      Very, very slow down slope movement of soil. (water in soil adds to it)

    • C. 

      Very, very slow down hill movement of rocks. (no water needed)

    • D. 

      Very, very slow dow hill movement of soil. (water in soil adds to it)


  • 6. 
    Three examples of wind erosion.
    • A. 

      Sand storms, deflaton, abrasion

    • B. 

      Abrasion, erosion, dunes

    • C. 

      Dunes, deflation, abrasion


  • 7. 
    What are the factors that determin soil makeup?
    • A. 

      Climate, parent rock, topography, time and vegetation.

    • B. 

      Parent rock, climate, topography, time and humus.

    • C. 

      Vegetation, parent rock, time, age of soil, pedocals.


  • 8. 
    Soil made from local bedrock.
    • A. 

      Tropical soil.

    • B. 

      Arctic soil.

    • C. 

      Residual soil.


  • 9. 
    Found in eastern half of U.S. where amout of rainfall exceeds 25 inches a year, a lot of vegetation and acidic soil.
    • A. 

      Pedocal

    • B. 

      Desert areas

    • C. 

      Pedalfers

    • D. 

      Weathered soil


  • 10. 
    Soil that was moved by wind or glacier.
    • A. 

      Residual soil

    • B. 

      Tropical soil

    • C. 

      Transport soil


  • 11. 
    Rock is split or broken into smaller material without changing its composition.
    • A. 

      Oxidation

    • B. 

      Surface area

    • C. 

      Weathering

    • D. 

      Mechanical weathering

    • E. 

      Chemical weathering


  • 12. 
    The breakdown of rock due to exposure to the atmosphere, weather, plants and animals.
    • A. 

      Mechanical weathering

    • B. 

      Chemical weathering

    • C. 

      Expansion/contraction

    • D. 

      Oxidation

    • E. 

      Weathering


  • 13. 
    Topsoil, gray or black, has humus.
    • A. 

      "A (horizon)"

    • B. 

      "B (horizon)"

    • C. 

      "C (horizon)"


  • 14. 
    Found in western half of U.S. where rainfall is less than 25 inches a year, basic soil.
    • A. 

      Pedocal

    • B. 

      Pedalfers

    • C. 

      Mature soil


  • 15. 
    Rock fragments and slighty weathered bedrock..you keep diging here, you'll eventually hit soil rock.
    • A. 

      "A (horizon)"

    • B. 

      "B (horizon)"

    • C. 

      "C (horizon)"


  • 16. 
    Once the plants die that are on top of the horizon, the nutrients make
    • A. 

      "A (horizon)"

    • B. 

      "B (horizon)"

    • C. 

      "C (horizon)


  • 17. 
    This horizon is formed from the leaching of horizon A.
    • A. 

      No horizon is made

    • B. 

      "B (horizon)"

    • C. 

      "C (horizon)"


  • 18. 
    Zone of soil are called
    • A. 

      Horizons

    • B. 

      Profiles

    • C. 

      Young soil


  • 19. 
    The entire arrangement of horizons are called
    • A. 

      Dunes

    • B. 

      Young soil

    • C. 

      Profiles


  • 20. 
    Subsoil, more clay is washed down.
    • A. 

      "A (horizon)"

    • B. 

      "B (horizon)"

    • C. 

      "C (horizon)"


  • 21. 
    Most important factor affecting soil is
    • A. 

      Climate

    • B. 

      Topography

    • C. 

      Time


  • 22. 
    High elevation and latitude, very few layers, shallow..permafrost.
    • A. 

      Tropical soil

    • B. 

      Temperate soil

    • C. 

      Arctic soil


  • 23. 
    Removal of loose particles by wind--most important effect by wind.
    • A. 

      Abrasion

    • B. 

      Deflation

    • C. 

      Dunes


  • 24. 
    Wearing down of particles.
    • A. 

      Abrasion

    • B. 

      Delfation

    • C. 

      Dunes


  • 25. 
    Warm and wet, speed up chemical weathering.
    • A. 

      Arctic soil

    • B. 

      Tropical soil

    • C. 

      Temperate soil


  • 26. 
    Most important result of weathering is
    • A. 

      New rock

    • B. 

      Soil

    • C. 

      Sediment rock


  • 27. 
    Process by which rocks break down as a result of chemical reactions.
    • A. 

      Mechanical weathering

    • B. 

      Chemical weathering

    • C. 

      Weathering


  • 28. 
    Examples of mechanical weathering. (mark all that apply)
    • A. 

      Ice wedging

    • B. 

      Oxidation

    • C. 

      Plants(lichens)

    • D. 

      Wetting and drying

    • E. 

      Acid rain

    • F. 

      Carbonic acid/carbonation

    • G. 

      Hydrolysis

    • H. 

      Abrasion

    • I. 

      Expansion/contraction

    • J. 

      Exfoliation


  • 29. 
    Examples of chemical weathering. (mark all that apply)
    • A. 

      Plants/animals (lichens)

    • B. 

      Ice wedging

    • C. 

      Acid rain

    • D. 

      Exfoliation

    • E. 

      Oxidation

    • F. 

      Hydrolysis

    • G. 

      Wetting and drying

    • H. 

      Carbonic acid/carbonation

    • I. 

      Espansion/contraction

    • J. 

      Abrasion


  • 30. 
    Rates of weathering. (mark all that apply)
    • A. 

      Time

    • B. 

      The rocks themselves

    • C. 

      Surface area

    • D. 

      Climate

    • E. 

      Mechanical weathering

    • F. 

      Topography


  • 31. 
    Thin sheets of soil removed prevent by--grass, continued plowing, crop rotation, strip crop, terraces.
    • A. 

      Gullying

    • B. 

      Sheet wash

    • C. 

      Contour plowing


  • 32. 
    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. 

      Mudflow

    • B. 

      Erosion

    • C. 

      Gullying


  • 33. 
    Constant erosion reduces the __________ of the soil by removing the A horizon, which contains humus.
    • A. 

      Topsoil

    • B. 

      Fertility

    • C. 

      Erosion


  • 34. 
    Planting a field with one type of crop one year and a different type of crop the next year.
    • A. 

      Contour plowing

    • B. 

      Strip-cropping

    • C. 

      Terracing

    • D. 

      Crop rotation


  • 35. 
    Plowing soil in curved bands that follow the shape of the land, thus preventing soil from flowing directly down slopes.
    • A. 

      Contour plowing

    • B. 

      Strip-cropping

    • C. 

      Terracing

    • D. 

      Crop rotation


  • 36. 
    Building steplike ridges that follow the contours of a sloped field, thus slowing the down slope movement of water.
    • A. 

      Contour plowing

    • B. 

      Strip-cropping

    • C. 

      Terracing

    • D. 

      Crop rotation


  • 37. 
    Planting crops in alternating bands, one of which is a cover crop that slows rain runoff.
    • A. 

      Contour plowing

    • B. 

      Strip-cropping

    • C. 

      Terracing

    • D. 

      Crop rotation


  • 38. 
    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. 

      A rockfall

    • B. 

      A mudflow

    • C. 

      A landslide

    • D. 

      A slump


  • 39. 
    The movement of a large mass of sediment or a section of land down a slope is called
    • A. 

      Gullying

    • B. 

      Mass movement

    • C. 

      Erosion

    • D. 

      A rockslide


  • 40. 
    What is the rapid fall of rocks, ranging in size from tiny fragments to large boulders, from a steep cliff?
    • A. 

      A rockfall

    • B. 

      A mudflow

    • C. 

      A landslide

    • D. 

      A slump


  • 41. 
    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. 

      Rockfall

    • B. 

      Mudflow

    • C. 

      Landslide

    • D. 

      Slump


  • 42. 
    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. 

      A rockfall

    • B. 

      A mudflow

    • C. 

      A landslide

    • D. 

      A slump


  • 43. 
    The slow, downslope flow of soil saturated with water over hard or frozen layers in areas surrounding glaciers at high elevations is called
    • A. 

      Creep

    • B. 

      Solifuction

    • C. 

      Talus

    • D. 

      Landslide


  • 44. 
    A relatively flat landform near seal level.
    • A. 

      Plateau

    • B. 

      Plain

    • C. 

      Mesa


  • 45. 
    A broad, flat landform that has a high elevation. Subject to much more erosion than a plain.
    • A. 

      Butte

    • B. 

      Mesa

    • C. 

      Plateau


  • 46. 
    A smaller plateau that are tablelike areas.
    • A. 

      Mesas

    • B. 

      Buttes

    • C. 

      Plains


  • 47. 
    Small, narrow-topped formations.
    • A. 

      Mesa

    • B. 

      Plain

    • C. 

      Butte


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