Groundwater Answers

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This image shows layers underground.

Question illustration
A
clay
B
granite
C
rocks
D
soil
2
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Which would allow humans to access groundwater?

A
a well drilled into an aquifer
B
a well drilled above the water table
C
an aquifer capped by thick granite
D
layers of soil and rock above the water table
3

A scientist observes hot water erupting from a vent in the Earth. What most likely caused the water to rise and erupt from the vent?

A
The vent was lower than the water table.
B
A well was drilled into a pressurized aquifer.
C
A well with a mechanical pump was installed.
D
The water was heated by magma or hot rocks.
4

The image shows groundwater zones.

Question illustration
A
1
B
2
C
3
D
4
5

A city worker is trying to dig to reach the water table. She knows the unsaturated zone in the area is four feet thick and the saturated zone is another five feet thick before an impermeable granite layer is reached. How deep will she have to dig to reach the water table?

A
two feet
B
four feet
C
five feet
D
nine feet
6

The image shows groundwater zones.

Question illustration
A
1
B
2
C
3
D
4
7

Why is permeable soil best for plants that need a lot of drainage?

A
Water fills this type of soil.
B
Water dries up in this type of soil.
C
Water flows through this type of soil.
D
Water pools on top of this type of soil.
8

A farmer dug a well but did not find any water.Which most likely explains why the farmer did not find water?

A
The water table is deeper than the well.
B
All the groundwater is flowing out of a spring.
C
The well is being dug between two vertical, impermeable layers.
D
The well is located where groundwater is stuck between impermeable layers.
9

A scientist observes a natural flow of water coming out of a hillside. The hillside is lower than the water table. What feature is the scientist most likely observing?

A
spring
B
aquifer
C
artesian well
D
unsaturated zone
10

A water feature that could be a source of groundwater for humans is found at a location on a hillside where Earth’s surface is lower than the water table. What type of feature might be observed at this location?

A
spring
B
aquifer
C
artesian well
D
unsaturated zone
11

Which correctly lists the three layers in which water moves easily?

A
rock, clay, granite
B
soil, rock, organic layer
C
clay, organic layer, granite
D
granite, rock, soil

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