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Pinnacle 5 January MT Review

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  • Which of the following is true of creep?
    it always occurs at the same rate
    it c\occurs faster when the soil is dry
    a type of mass movement that you are least likely to see
    it happens too slowly to be seen
  • landslide
    the downhill movement of masses or rock and soil
    weathered particles are picked up and moved to another place
    a sudden fast movement of rock and soil
    when sediment is put in a new location
  • Which can cause mudflows?
    wind pushing on loose rocks
    ice loosening rocks
    construction of highways making slopes unstable
    volcanic eruptions
  • terrace
    reduce number of times soil is tilled
    flat, steplike areas built on a hillside to hold rainwater
    planting trees between fields to reduce soil carried off
    plowing along curves or contours of slopes
  • conservation tillage
    the recycled nutrients after being broken down
    plant different crops on the same field in different years
    reduce number of times soil is tilled
    when sulfide minerals react with air and water
  • Which is NOT one of the main three ways erosion moves sediment?
    water
    ice
    rock
    wind
  • crop rotation
    desert conditions in areas where plant cover was destroyed
    the recycled nutrients after being broken down
    reduce number of times soil is tilled
    plant different crops on the same field in different years
  • What is similar about terracing and contour plowing?
    they both are used on sloping land
    they both use different crops to conserve nutrients
    they both include trees
    they both reduce the amount of plowing
  • contour plowing, strip-cropping, and terracing are conservation methods made to reduce the
    activity of microorganisms
    runoff water
    pore space in soil
    acidity in soil
  • contour plowing
    flat, steplike areas built on a hillside to hold rainwater
    reduce number of times soil is tilled
    plowing along curves or contours of slopes
    when sulfide minerals react with air and water
  • Which is NOT true of mudflows?
    it can occur in mountain canyons and valleys after heavy rai
    it consists of debris with large amounts of water
    it can occur on active volcanoes
    it is an example of mass wasting of rock
  • Why is soil an important resource?
    helps plant growth, purifies water, and recycles nutrients
    it helps fill in space for development
    it is food for animals
    it helps create farms
  • deposition
    when sediment is put in a new location
    the downhill movement of masses or rock and soil
    a sudden fast movement of rock and soil
    weathered particles are picked up and moved to another plac
  • Which is NOT a part of soil?
    water
    air
    fertilizer
    humus
  • What happens with the soil when strip mines are dug?
    plants and soil are removed
    soil is moved to a previous mining spot
    soil is not affected
    soil is moved but then put back when done
  • Which kind of climate speeds up chemical weathering?
    hot
    cold
    chilly
    mild
  • Which is evidence of creep?
    sudden movement of rocks
    leaning fences
    volcanic eruptions
    large amounts of mud flowing down a mountainside
  • A lot of soil is dug up at construction sites. What can this lead to?
    the soil can go into rivers and lakes and cause flooding
    the soil is used to keep buildings in place
    the soil is brought to farms to replace old soil
    the soil is thrown out
  • mass wasting
    weathered particles are picked up and moved to another place
    the downhill movement of masses or rock and soil
    a sudden fast movement of rock and soil
    when sediment is put in a new location
  • Which reacts with rain water to help dissolve rocks?
    oxygen
    water
    carbon dioxide
    rust
  • Which is NOT a method of conserving soil?
    crop rrotation
    windbreaks
    contour planting
    desertification
  • Which is NOT a type of mass wasting?
    blizzards
    creep
    mudslides
    rockslides
  • How do windbreaks help conserve soil?
    they stop water from draining out
    they block sunlight from destroying soil
    they keep animals away
    they stop wind from blowing away soil
  • Which mass wasting is the slowest?
    creep
    mudflow
    slump
    rockslide
  • How do microorganisms help plants?
    they provide plants with water
    they provide plants with oxygen
    they provide plants with nitrogen
    they provide plants with carbon dioxide
  • overgrazing
    the cleaning and purifying of soil
    desert conditions in areas where plant cover was destroyed
    the recycled nutrients after being broken down
    when animals eat large amounts of land cover
  • What is true of rockfalls but not rockslides?
    rockfalls are an example of mass wasting of rock
    individual blocks of rock drop suddenly down a slope
    rockfalls often take place in high mountains
    a large mass of rock slides as a unit down a slope
  • What kind of terrain do landslides, rockslides, and mudflows all occur on?
    mountainsides
    volcanoes
    canyons
    flat land
  • The breakdown of rock by acidic water is an example fo
    chemical weathering
    desertification
    mechanical weathering
    oxidation
  • Why are the coastal regions of California dangerous?
    The cliffs are unstable
    The creep there is fast moving
    There are lots of landslides
    There are lots of mudflows
  • What can happen after a mountain slope collapses?
    it can cause telephone poles to lean slightly
    it can cause an earthquake
    it can form a volcano
    it can cause mass movements of debris
  • windbreaks
    flat, steplike areas built on a hillside to hold rainwater
    planting trees between fields to reduce soil carried off
    when sulfide minerals react with air and water
    plowing along curves or contours of slopes
  • How is texture of the soil determined?
    the amount of water
    the amount of air
    the size of the weathered rock particles
    the pore space
  • What can bad farming practices lead to?
    soil loss
    loss in flavor
    overpopulation
    increase in predators
  • What is soil used for?
    to purify water
    all of these
    to support th growth of plants
    to shelter animals
  • What makes up debris?
    soil, rocks, plants
    water and soil
    soil, rocks, and ice
    water, soil, rocks, and plants
  • Which is true of mass wasting?
    it only occurs in tropical climates
    it can be triggered by heavy rain or earthquakes
    it never occurs gradually
    it often takes place on flat lands
  • desertification
    the cleaning and purifying of soil
    desert conditions in areas where plant cover was destroyed
    open pits by removal of soil from surface of the ground
    when animals eat large amounts of land cover
  • Which is NOT a form of mechanical weathering?
    dissolving
    ice wedging
    abrasion
    pressure release
  • In dry regions, what can overgrazing and clearing of land for farming lead to?
    crop rotation
    tillage
    plowing
    desertification
  • erosion
    the downhill movement of masses or rock and soil
    weathered particles are picked up and moved to another place
    when sediment is put in a new location
    a sudden fast movement of rock and soil
  • What is the main component of soil?
    water
    rock particles
    air
    humus
  • Which human activity does NOT directly affect soil?
    farming
    mining
    construction and development
    hunting
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