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2nd 9wks Modified Benchmark
  • 1. Weathering is
A) the movement of rock particles by wind, water, ice, and gravity
B) the process that breaks rock and other substances down.
C) a process that is only mechanical..
  • 2. Erosion is
A) a process that only involves water.
B) the process that breaks down rock and other substances at the Earth's surface.
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) 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) Repeated freezing and thawing
B) Acid Rain
C) sand storms
  • 7. What are the four soil horizons?
A) O, A, B, C
B) O, A, E, D
C) A, E, I, O
  • 8. Decaying and decomposing organic material is known as
A) humus
B) humans
C) litter layer
  • 9. The Bedrock is which layer?
A) C
B) A
C) B
  • 10. Which is the MOST important layer in the soil horizons?
A) Top Soil
B) Sub Soil
C) Litter layer
  • 11. Soil is never lost to the seas
A) False
B) True
  • 12. Conservation plowing
A) keeps the dead weeds and stalks from the previous year to return nutrients to the soil
B) is a poor way to conserve soil
C) is done on the contours of the landscape
  • 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) Humus
C) Water
  • 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) transform boundary.
B) convergent boundary.
C) rift valley.
  • 17. S waves are known as
A) secondary waves
B) primary 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) fire.
B) magma.
C) rock.
  • 20. Earth's INNER core is
A) empty.
B) a dense ball of iron and nickel.
C) layer of hot magma.
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