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Eighth Grade (Grade 8) Geomorphology Questions

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Grade 8 Geomorphology
Which of these is an example of chemical weathering?
  1. Abrasion by rock carried by wind water or ice
  2. Heating and cooling
  3. Acid rain
  4. Root pry
Grade 8 Geomorphology
Wind erosion and deposition may form
  1. longshore drifts and headlands.
  2. sand dunes and loess deposits.
Grade 8 Geomorphology
Which of these is an example of chemical weathering?
  1. Abrasion
  2. Animal action
  3. Carbonation
  4. Freezing and thawing
Grade 8 Geomorphology
The map contour interval is defined as
  1. the sum of all the lines.
  2. the difference from the highest line to the lowest line.
  3. the difference in elevation between two lines.
  4. the time it takes to get to each line.
Grade 8 Geomorphology
In which type of climate does chemical weathering usually occur most rapidly?
  1. cold, dry
  2. cold, wet
  3. warm, dry
  4. warm, wet
Grade 8 Geomorphology
In the image below, what does A indicate?
Topographic Map
  1. top of a mountain
  2. a depression
  3. a lake
  4. a trail
Grade 8 Geomorphology
Molten material beneath Earth's oceanic crust, which rises to the surface, leads to this.
  1. Rift valley
  2. Seafloor spreading
  3. Convergent boundary
  4. Pangaea
Grade 8 Geomorphology
Which is not a key feature of geologic maps?
  1. types of rock
  2. age of rock formations
  3. color of rock formations
  4. locations of fault lines
Grade 8 Geomorphology
Which of these is an example of chemical weathering?
  1. Plant and fungal acids
  2. Root Pry
  3. Heating and cooling
  4. Freezing and thawing
Grade 8 Geomorphology
The major cause of chemical weathering is
  1. sand.
  2. water.
  3. wind.
  4. frost wedging.
Grade 8 Geomorphology
Topography refers to
  1. physical features of the land.
  2. the difference between the highest and lowest point.
  3. an area lifted by levees.
  4. the height of a place above sea level.
Grade 8 Geomorphology
Which of the following does NOT contribute to mechanical weathering?
  1. carbonic acid
  2. frost heaving
  3. plants & animals
  4. pressure release
  5. abrasion
Grade 8 Geomorphology
Which of these is a type of erosion that leaves a curved scar?
  1. Slump
  2. Gravity
  3. Deposition
  4. Mudflow
Grade 8 Geomorphology
Elevation refers to
  1. the height of a place above sea level.
  2. the difference between the highest and lowest point.
  3. an area lifted by levees.
  4. an area where the sea rises.
Grade 8 Geomorphology
In which mass movement do rock fragments fall freely through the air?
  1. rockslide
  2. rockfall
  3. slump
  4. earthflow
Grade 8 Geomorphology
Which of the following might most damage a soil's structure?
  1. a gentle rain
  2. organic matter
  3. earthworms
  4. compaction
Grade 8 Geomorphology
Which of these erosion types is has the characteristic of 'sagging'?
  1. mudflow
  2. deposition
  3. slump
  4. creep
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