Ch 10 Groundwater Review Quiz

Water that enters the ground as precipitation does so by ___.

• evaporating back into the atmosphere

• running off to the ocean

• forming small pools

• infiltrating the ground

What is responsible for the production of most ions in groundwater?

• precipitation of calcium carbonate

• groundwater surges

• dissolution of carbonic acid and calcium carbonate

• geyserite reacting with carbonic acid

What two materials are necessary for the formation of most caves?

• water and carbon dioxide

• carbonic acid and groundwater

• soft water and travertine

• acidic groundwater and limestone

The area labeled A is called the ____.

• zone of infiltration

• recharge zone

• zone of saturation

• zone of permeability

Which soil most makes up aquicludes?

• limestone

• gravel

• clay

• sand

Water is able to flow through the aquifer because its material has _____.

• high porosity

• low porosity

• low permeability

• high permeability

Organize best to hold water to least able to hold water.

Sample Porosity

A 30%

B 8%

C 16%

• C, A, B

• B, C, A

• A, B, C

• A, C, B

Sample A is most likely _____________.

Sample Porosity

A 30%

B 8%

C 16%

• well-sorted small grains of sand

• unsorted small grains of sand

• well-sorted large grains of sand

• unsorted large grains of sand

Much of the water that falls on the ground as precipitation____.

• becomes runoff and returns to the ocean

• evaporates into the atmosphere

• enters the ground through infiltration

• forms small pools

Which solution will NOT protect the water from contamination?

• Build a well between the two wells that goes deeper into Earth.

• Close the wells and use an alternative.

• Build an impermeable barrier to stop oil flow.

• Pump out water from the wells and treat it chemically to remove pollution.