Landforms — Unit test Answers

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Which correctly lists the three types of rock particles that make up soil?

a
air, clay, and sand
c
clay, water, and silt
s
sand, clay, and silt
s
silt, water, and air
3

Which statement describes landforms?

T
They are natural.
T
They are all the same.
T
They have indistinct shapes.
T
They all have the same combinations of elevation and relief.
4

Which rocks will likely weather the least?

r
rocks that are soft
r
rocks with a porous surface
r
rocks that are in a dry climate
r
rocks with minerals that dissolve easily
5

Which describes bedrock?

c
consists of solid rock
l
lies directly above the soil layer
d
does not contain weathered rock
f
forms from decomposed material
6

A small, jagged particle with a density of 1.2 g/cm3 deposits on the ground before a large, round particle with a density of 0.82 g/cm3.Which most likely influences the rate of deposition of the jagged particle?

A
large size
B
low density
C
high density
D
irregular shape
8

Which correctly lists the three features of Earth that are the main types of landforms?

h
hills, valleys, and plateaus
l
lakes, valleys, and mountains
m
mountains, plains, and plateaus
p
plains, lakes, and hills
9

Which phrase describes elevation?

t
the height of a feature above sea level
t
the distance of a feature above the clouds
t
the distance above the lowest point in the area
t
the height of a feature above the nearest mountaintop
10

Which term describes erosion?

c
creates small particles
h
hardens rock fragments
t
transports solid materials
d
dissolves rock components
11

best

u
using breakwaters
p
packing down soil
b
building drains with outlets
i
increasing the slopes of riverbanks
12

Which event can cause slumps, landslides, and mudflows to occur?

e
earthquakes
h
hurricanes
s
snowfalls
t
thunderstorms
14

How do oxbow lakes form?

R
Rivers are dammed, and the water builds up, creating a lake.
R
Runoff pools in areas of low elevation, creating a temporary lake.
R
Rivers wear away banks until the bank is broken and the river flows straight.
G
Glaciers leave deep channels in the ground, which fill with water and become a lake.
15

Which event occurs after Earth’s surface experiences weathering?

W
Wind carries sediments to a new location.
I
Ice forms cracks in large rocks.
M
Moving water breaks sediments into pieces.
S
Surface materials wear down into sediment.
16

Which process involves wind moving loose sediment?

a
abrasion
d
deflation
i
impact
p
plucking

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