AnswersLPISD Earth Systems A - CRUnit Test

Unit Test — Unit test Answers

15 verified answers
1
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Which rocks will likely weather the least?

A
rocks that are soft
B
rocks with a porous surface
C
rocks that are in a dry climate
D
rocks with minerals that dissolve easily
2
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Which type of deposition creates sandbars?

A
glacial
B
river
C
wave
D
wind
3

Which event occurs after Earth’s surface experiences weathering?

A
Wind carries sediments to a new location.
B
Ice forms cracks in large rocks.
C
Moving water breaks sediments into pieces.
D
Surface materials wear down into sediment.
4

Which process involves wind moving loose sediment?

A
abrasion
B
deflation
C
impact
D
plucking
5

Which action would best help prevent groundwater erosion?

A
using breakwaters
B
packing down soil
C
building drains with outlets
D
increasing the slopes of riverbanks
6

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

A
earthquakes
B
hurricanes
C
snowfalls
D
thunderstorms
7

Which term describes erosion?

A
creates small particles
B
hardens rock fragments
C
transports solid materials
D
dissolves rock components
8

Which organisms release carbon dioxide as waste?

c
consumers only
c
consumers and decomposers
p
producers and decomposers
p
producers only
9

How do oxbow lakes form?

A
Rivers are dammed, and the water builds up, creating a lake.
B
Runoff pools in areas of low elevation, creating a temporary lake.
C
Rivers wear away banks until the bank is broken and the river flows straight.
D
Glaciers leave deep channels in the ground, which fill with water and become a lake.
10

Sydney drew a flow chart to illustrate the nitrogen cycle.

Question illustration
X
X: Producers undergo photosynthesis.Y: Nitrogen compounds are released into the air.
X
X: Nitrogen compounds are released into the air.Y: Producers undergo photosynthesis.
X
X: Free nitrogen is in the atmosphere.Y: Producers absorb nitrogen compounds through their roots.
X
X: Producers absorb nitrogen compounds through their roots.Y: Free nitrogen is in the atmosphere.
11

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
12

Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air?

A
The plants undergo transpiration.
B
The plants undergo condensation.
C
The plants prevent water from evaporating.
D
The plants prevent water from becoming runoff.
13

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

A
air, clay, and sand
B
clay, water, and silt
C
sand, clay, and silt
D
silt, water, and air
14

A loose pile of rocks and soil travels in a single large mass. The mass moves a short distance downhill.Which mass movement does this describe?

A
creep
B
erosion
C
landslide
D
slump
15

The diagram illustrates the water cycle.

Question illustration
A
U
B
W
C
X
D
Y

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