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2nd 9wks Modified Benchmark
  • 1. Weathering is
A) the movement of rock particles by wind, water, ice, and gravity
B) a process that is only mechanical..
C) the process that breaks rock and other substances down.
  • 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) True
B) False
  • 5. Chemical weathering changes the mineral make up of the rock
A) False
B) True
  • 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) O, A, E, D
B) A, E, I, O
C) O, A, B, C
  • 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) True
B) False
  • 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 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) mantle, core, crust, inner core
B) outer core, mantle, inner core , crust
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) empty.
B) layer of hot magma.
C) a dense ball of iron and nickel.
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