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2nd 9wks Modified Benchmark
Contributed by: Messer
  • 1. Weathering is
A) a process that is only mechanical..
B) the movement of rock particles by wind, water, ice, and gravity
C) the process that breaks rock and other substances down.
  • 2. Erosion is
A) the movement of rock particles by wind, water, ice, and gravity.
B) a process that only involves water.
C) the process that breaks down rock and other substances at the Earth's surface.
  • 3. Repeated Freezing and thawing is an example of what type of Weathering?
A) Chemical
B) Erosion
C) Mechanical
  • 4. Mechanical weathering changes the minerals make up the rock
A) False
B) True
  • 5. Chemical weathering changes the mineral make up of the rock
A) True
B) False
  • 6. An example of Chemical weathering is
A) Acid Rain
B) Repeated freezing and thawing
C) sand storms
  • 7. What are the four soil horizons?
A) O, A, E, D
B) O, A, B, C
C) A, E, I, O
  • 8. Decaying and decomposing organic material is known as
A) litter layer
B) humus
C) humans
  • 9. The Bedrock is which layer?
A) A
B) C
C) B
  • 10. Which is the MOST important layer in the soil horizons?
A) Top Soil
B) Litter layer
C) Sub Soil
  • 11. Soil is never lost to the seas
A) False
B) True
  • 12. Conservation plowing
A) is done on the contours of the landscape
B) is a poor way to conserve soil
C) keeps the dead weeds and stalks from the previous year to return nutrients to the soil
  • 13. What happens when soil becomes nutrient depleted?
A) It becomes the best soil for planting
B) It loses fertility
C) It is packed with minerals
  • 14. What is the main ingredient for soil?
A) Minerals
B) Water
C) Humus
  • 15. Soil is ONLY formed through rocks
A) True
B) False
  • 16. A place where two plates slide past each other, moving in opposite directions, is known as a
A) rift valley.
B) convergent boundary.
C) transform boundary.
  • 17. S waves are known as
A) primary waves
B) Q waves
C) secondary waves
  • 18. What is the correct order of the Earth's layers (starting at the surface)?
A) outer core, mantle, inner core , crust
B) mantle, core, crust, inner core
C) crust, mantle, outer core, inner core
  • 19. Before lava reaches the surface, the molten material is called
A) fire.
B) rock.
C) magma.
  • 20. Earth's INNER core is
A) a dense ball of iron and nickel.
B) layer of hot magma.
C) empty.
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