AnswersSBC_Earth Systems_B_PrUnit Test

Unit Test — Cumulative exam Answers

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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
2
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Which statement accurately describes the relationship between air pressure, air density, or altitude?

A
As altitude increases, pressure increases.
B
As altitude increases, air density increases.
C
Air pressure and density are lowest at sea level.
D
Denser air exerts more pressure than less dense air.
3

Which information does a compass rose provide on a map?

A
direction
B
distance
C
features
D
symbols
4

Why is the unsaturated zone not filled with water?

A
It is below the water table and water stays above it.
B
It is clay and water pools above it.
C
It is granite and water flows around it.
D
It is permeable and water flows through it.
5

Study this map.

Question illustration
A
1
B
2
C
3
D
4
6

In the economics of natural resources, what is the definition of supply?

A
the discovery of a natural resource
B
the distribution of a natural resource
C
the amount of a natural resource desired
D
the amount of a natural resource available
7

A scientist observes a geyser erupting. Which two objects must be interacting beneath the surface?

A
well and spring
B
spring and magma
C
magma and groundwater
D
groundwater and unsaturated zone
8

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
9

Which phrase describes elevation?

A
the height of a feature above sea level
B
the distance of a feature above the clouds
C
the distance above the lowest point in the area
D
the height of a feature above the nearest mountaintop
10

Which describes bedrock?

A
consists of solid rock
B
lies directly above the soil layer
C
does not contain weathered rock
D
forms from decomposed material
11

A scientist is observing surface groundwater features to determine sources of groundwater.Which is one surface feature that the scientist can observe and map?

A
spring
B
saturated zone
C
aquifer
D
water table
12

Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?

A
argon, water vapor, carbon dioxide
B
oxygen, argon, water vapor
C
nitrogen, oxygen, carbon dioxide
D
carbon dioxide, oxygen, argon
13

Which zone within the open-ocean zone is home to the most organisms?

A
deep zone
B
surface zone
C
intertidal zone
D
transition zone
14

Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere?

A
radon, carbon monoxide, oxygen
B
carbon dioxide, nitrogen, oxygen
C
nitrogen, carbon dioxide, carbon monoxide
D
carbon dioxide, radon, oxygen
15

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
16

Which part of the shallow ocean descends sharply away from the continental shelf?

A
abyssal plain
B
mid-ocean ridge
C
transitional zone
D
continental slope
17

Which landform rises abruptly from its surroundings and has a rounded or sharp peak?

A
hill
B
mountain
C
plains
D
plateau
18

What happens when the lithosphere interacts with the atmosphere?

A
Gases are released from volcanic eruptions.
B
Carbon dioxide is released during plant respiration.
C
Plants absorb sunlight and minerals during photosynthesis.
D
Oxygen gas is cycled as freshwater supplies are replenished.
19

Which is a negative effect of rising ocean temperatures?

A
the drying out of fertile land and the formation of dust bowls
B
the flooding of low-lying coastal areas
C
the faster evaporation of water in the soil
D
the decreased frequency of major storms
20

Which describes one characteristic of both El Niño and La Niña?

A
Both are causes of long-term climate change.
B
Both create warmer water.
C
Both occur in the Pacific Ocean.
D
Both are causes of hurricane activity.

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