Surface Water — Unit test Answers

3 verified answers2 views
1
Free Preview

What percentage of Earth’s water is fresh water?

A
3 percent
B
25 percent
C
75 percent
D
97 percent
2
Free Preview

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
3

Which process involves wind moving loose sediment?

A
abrasion
B
deflation
C
impact
D
plucking
4

The diagram shows Virginia’s watersheds.

Question illustration
A
James
B
Yadkin
C
Chowan
D
Big Sandy
5

Which feature separates watersheds?

A
basins
B
bays
C
ridges
D
rivers
6

Which term describes erosion?

A
creates small particles
B
hardens rock fragments
C
transports solid materials
D
dissolves rock components
7

Which type of deposition creates sandbars?

A
glacial
B
river
C
wave
D
wind
8

Which statement describes watersheds?

A
They are home to many plants and animals.
B
They are dangerous flood zone habitats.
C
They are not affected by how land is used by humans.
D
They are contaminated and cannot be used for drinking water.
9

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.
11

Which statement explains one way that lakes form?

A
Lava flows block a river.
B
Streams flow into shallow areas.
C
Groundwater feeds into low-lying areas.
D
Grassy wetlands get covered by a stream.
12

Which is one benefit that mangrove trees provide to surrounding coastal wetlands?

A
They hold soil in place.
B
They store floodwaters.
C
They maintain surface water flow.
D
They filter water and improve water quality.
13

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.
14

In a field, water flows down through the soil and then through a layer of loose rocks before the flow stops.What type of material did the water most likely encounter when it stopped?

A
a layer of granite
B
another soil layer
C
a layer of rocks with cracks
D
another layer of loose rocks
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

Did you find these answers helpful?