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2nd 9wks-Benchmark - Skyndipróf
  • 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..
D) the only process that breaks down rocks.
  • 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.
D) the only way to break down rocks.
  • 3. Repeated Freezing and thawing is an example of what type of Weathering?
A) Deep Freeze
B) Chemical
C) Mechanical
D) Erosion
  • 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) erosion
B) sand storms
C) Acid Rain
D) Repeated freezing and thawing
  • 7. What are the four soil horizons?
A) O, A, B, C
B) A, B, C, D
C) A, E, I, O
D) O, A, E, D
  • 8. Decaying and decomposing organic material is known as
A) humans
B) humus
C) mustard
D) litter layer
  • 9. The Bedrock is which layer?
A) B
B) C
C) A
D) O
  • 10. Which is the MOST important layer in the soil horizons?
A) Sub Soil
B) Litter layer
C) Top Soil
D) Bedrock
  • 11. Soil is never lost to the seas
A) True
B) False
  • 12. Conservation plowing
A) is a poor way to conserve soil
B) keeps the dead weeds and stalks from the previous year to return nutrients to the soil
C) tears the ground up and creates erosion problems
D) is done on the contours of the landscape
  • 13. What happens when soil becomes nutrient depleted?
A) It is packed with minerals
B) The soil is too wet
C) It becomes the best soil for planting
D) It loses fertility
  • 14. What is the main ingredient for soil?
A) Air
B) Humus
C) Minerals
D) 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) convergent boundary.
B) rift valley.
C) divergent boundary.
D) transform boundary.
  • 17. S waves are known as
A) primary waves
B) secondary waves
C) Surface waves
D) Q waves
  • 18. What is the correct order of the Earth's layers (starting at the surface)?
A) crust, outer core, mantle, inner core
B) mantle, core, crust, inner core
C) outer core, mantle, inner core , crust
D) crust, mantle, outer core, inner core
  • 19. Before lava reaches the surface, the molten material is called
A) fire.
B) magma.
C) volcanic ash.
D) rock.
  • 20. Earth's INNER core is
A) empty.
B) a dense ball of iron and nickel.
C) a layer of cooled rock.
D) layer of hot magma.
Nemendur sem tóku þetta próf tóku einnig :
Earthquakes and plate tectonics
Foodwebs_chains_energy_pyramid
Earthquakes/volcanoes
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