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WeatheringErosionSoil

Multiple Choice
 

 1. 

When wind or water slows down and drops the sediment it is carrying.
a.
weathering
c.
erosion
b.
deposition
d.
abrasion
 

 2. 

The rock, mineral fragments, and sediment in soil comes from rock that has been ____.
a.
blasted
c.
weathered
b.
carved
d.
chemically treated
 

 3. 

The B horizon is
a.
thinner than the C horizon
c.
richer in humus than the A horizon
b.
rockier than the C horizon
d.
lighter in color than the A horizon
 

 4. 

Glaciers can cause
a.
weathering
c.
weathering and erosion
b.
erosion and deposition
d.
weathering, erosion, and deposition
 

 5. 

The horizon that contains the most humus is
a.
O
c.
B
b.
A
d.
C
 

 6. 

The moving of sediment from one place to another.
a.
weathering
c.
deposition
b.
erosion
d.
abrasion
 

 7. 

When rocks undergo weathering, they become
a.
magma
c.
sediment
b.
igneous rocks
d.
volcanic cones
 

 8. 

mc008-1.jpg
What moved these rocks to this road.
a.
water
c.
gravity
b.
wind
 

 9. 

All of the following cause mechanical weathering EXCEPT ____.
a.
ice
c.
burrowing animals
b.
tree roots
d.
carbonic acid
 

 10. 

Mechanical weathering ____.
a.
breaks apart rocks by physical processes
b.
occurs when chemical reactions dissolve or change the minerals in rocks
c.
occurs when iron is exposed to oxygen and water
d.
none of the above
 

 11. 

The action of the wind creates sand dunes in deserts and beaches. Which process is responsible for the formation of sand dunes?
a.
deposition
c.
erosion
b.
etching
d.
weathering
 

 12. 

The Grand Canyon in Arizona, was formed by this geological process?
a.
water action
c.
ice action
b.
wind action
d.
volcanic action
 

 13. 

Which of these usually causes mechanical weathering but some also cause chemical weathering?
a.
animals burrowing
c.
oxidation
b.
plants
d.
carbonic acid
 

 14. 

mc014-1.jpg
How did these rocks get here in the middle of this field?
a.
water
c.
gravity
b.
wind
d.
glaciers
 

 15. 

Which of these is a form of chemical weathering?
a.
ice wedging
c.
abrasion
b.
oxidation
d.
glaciers
 

 16. 

Chemical weathering ____.
a.
is caused by freezing and thawing
b.
breaks apart rocks by physical processes
c.
occurs when chemical reactions dissolve or change the minerals in rocks
d.
none of above
 

 17. 

When Joe saw the Rocky Mountains for the first time, he said, “These mountains are much younger than the mountains in North Georgia.”  How could he know this?
a.
their sedimentary layers are still exposed
c.
they are taller so they are actually older
b.
the Rocky Mountains have tall rugged tops from long-term weathering
d.
the North Georgia Mountains have rounded tops from long-term weathering
 

 18. 

The major process that wears down whole mountain ranges is
a.
earthquakes
c.
plate movement
b.
weathering
d.
silt deposition
 

 19. 

The rock and mineral fragments in soil come from rock that has been
a.
blasted
c.
weathered
b.
carved
d.
chemically treated
 

 20. 

Which of these supplies beaches with the most new sand?
a.
Rivers
c.
Tides
b.
Marine organisms
d.
Rain
 



 
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