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Weathering and Soil Test
Weathering and Soil Test
25 terms
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#Science7 #Earth Science #weathering #erosion #soil
Flashcards
25 cards
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Questions
25
Answers
1
Which horizon is created last due to leeching?
O horizon
A horizon
B horizon
C Horizon
2
What is this a picture of?
sod
leeching
erosion
bedrock
3
What is this a picture of?
leeching
erosion
sod
bedrock
4
What are the five agents of erosion?
wind, water, landslides, mud flows, and slump
wind, running water, waves, glaciers, & gravity
wind, running water, waves, rain, and waterfalls
wind, water, ice, gravity, and animal actions
5
True or False: Rocks with a large surface area will weather quickly.
FALSE
TRUE
6
Which of the following soil components makes up the majority of soil?
air
water
organic matter
rocks and minerals
7
Why are living thins important for the soil? (2 answers)
They use the soil as a home
They aerate the soil as they mix it
They eat some of the plants
They add nutrients (make humus)
8
What is this a picture of?
terracing
conservation plowing
contour plowing
crop rotation
9
True or False: All rocks will weather at the same rate.
FALSE
TRUE
10
Which soil is created first due to weathering of bedrock?
A horizon
O horizon
B horizon
C Horizon
11
The process of rock being physically broken into smaller pieces.
chemical weathering
erosion
mechanical weathering
deposition
12
Which type of mass movement occurs all at once?
creep
mud flow
landslide
slump
13
How can you tell if soil is fertile?
it is rocky
it has a light color
it has a dark color
it is covered by lichens
14
It can take ____________ of years for a few centimeters of soil to form.
millions
hundreds
thousands
decades
15
Which of the following causes mass movement to occur?
gravity
glaciers
waves
wind
16
Which type of mass movement occurs the most slowly?
mud flow
landslide
slump
creep
17
Oxidation, Acid rain, living organisms, water, and Carbon Dioxide are all capable of this:
mechanical weathering
chemical weathering
erosion
deposition
18
True or False: Rocks that are permeable have a large surface area.
TRUE
FALSE
19
What is this a picture of?
crop rotation
conservation plowing
contour plowing
terracing
20
After sediments are broken and moved around, this process lays down sediments in a new location
chemical weathering
erosion
mechanical weathering
deposition
21
What is another name for bedrock?
A horizon
R horizon
C Horizon
B horizon
22
The process by which water, wind, glaciers, or gravity move sediment to a new location.
deposition
mechanical weathering
erosion
chemical weathering
23
Soil that is made out of about equal parts of sand, silt, and clay is called
loon
loam
lichen
leeching
24
True or False: Rocks in a desert will weather faster than rocks in a rainforest.
TRUE
FALSE
25
TRUE or FALSE: Soil that has too much clay will hold little water and plants will die.
TRUE
FALSE
