Groundwater

Question 1

What most likely happens if water flows through a permeable soil layer and reaches a clay layer?

Revolt · Accepted Answer

It pools on top of the clay layer.

Question 2

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?

Revolt · Accepted Answer

spring

Question 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?

Revolt · Accepted Answer

The water was heated by magma or hot rocks.

Question 4

The image shows groundwater zones.

Revolt · Accepted Answer

3

Question 5

Which would allow humans to access groundwater?

Revolt · Accepted Answer

a well drilled into an aquifer

Question 6

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

Revolt · Accepted Answer

The water table is deeper than the well.

Question 7

A model of Earth’s water budget shows that the precipitation on oceans is 420,000 km3 and the precipitation on land is 130,000 km3. If the evaporation from land is 90,000 km3, how much is the evaporation from oceans?

Revolt · Accepted Answer

460,000 km3

Question 8

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?

Revolt · Accepted Answer

four feet

Question 9

The image shows groundwater zones.

Revolt · Accepted Answer

2

Question 10

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

Revolt · Accepted Answer

Water flows through this type of soil.

Groundwater Answers

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