Soil, Rocks, Weathering, and Erosion
  • 1. Weathering is
A) the movement of rock particles by wind, water, ice, and gravity
B) a process that is only mechanical..
C) the only process that breaks down rocks.
D) 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) the movement of rock particles by wind, water, ice, and gravity.
C) the only way to break down rocks.
D) a process that only involves water.
  • 3. Repeated Freezing and thawing is an example of what type of Weathering?
A) Chemical
B) Deep Freeze
C) Erosion
D) Mechanical
  • 4. Grinding away of rock particles by wind or water is called
A) scrapes and bruises
B) erosion
C) sand blasting
D) abrasion
  • 5. Mechanical weathering changes the minerals make up the rock
A) False
B) True
  • 6. Chemical weathering changes the mineral make up of the rock
A) True
B) False
  • 7. An example of Chemical weathering is
A) sand storms
B) Repeated freezing and thawing
C) Acid Rain
D) erosion
  • 8. What are the four soil horizons?
A) A, B, C, D
B) O, A, B, C
C) A, E, I, O
D) O, A, E, D
  • 9. Decaying and decomposing organic material is known as
A) mustard
B) humus
C) litter layer
D) humans
  • 10. The Bedrock is which layer?
A) C
B) O
C) A
D) B
  • 11. Which is the MOST important layer in the soil horizons?
A) Bedrock
B) Sub Soil
C) Top Soil
D) Litter layer
  • 12. There are only two types of soil in the US
A) False
B) True
  • 13. Fertile soil is a valuable resource because
A) there is very limited amount of it
B) there is a huge amount of it
C) humus is present in it
D) it is constantly being renewed
  • 14. The dust bowl happened because of
A) bad luck
B) drought and poor soil managment
C) soil conservation
D) there was too much water present
  • 15. Soil is never lost to the seas
A) False
B) True
  • 16. Conservation plowing
A) is done on the contours of the landscape
B) tears the ground up and creates erosion problems
C) keeps the dead weeds and stalks from the previous year to return nutrients to the soil
D) is a poor way to conserve soil
  • 17. What happens when soil becomes nutrient depleted?
A) It loses fertility
B) It is packed with minerals
C) The soil is too wet
D) It becomes the best soil for planting
  • 18. What is the main ingredient for soil?
A) Minerals
B) Water
C) Air
D) Humus
  • 19. What are the two things that effect the rate of weathering?
A) Type of rock and Climate
B) Time and Date
C) Size of Rock and time of the year
D) Rain and Ice
  • 20. Soil is ONLY formed through rocks
A) True
B) False
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