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