9.4 Groundwater

Question 1

Aquifer

Answer 1

A layer of rock or sediments that allows the flow of ground-water, usually through pores between mineral grains or fractures in rock.

Question 2

Geothermal

Answer 2

Having to do with the internal heat of Earth.

Question 3

Geyser

Answer 3

A special type of hot spring that periodically shoots water into the air.

Question 4

Groundwater

Answer 4

Water in Earth’s crust that is in the zone of saturation which means most pore spaces are filled with water.

Question 5

Hot spring

Answer 5

A spring in which the temperature of water that comes out of the spring is considerably warmer than the mean annual air temperature of the location.

Question 6

Permeability

Answer 6

A measure of the ability for water to move through a rock or sediment.

Question 7

Porosity

Answer 7

A measure of the percentage of pore spaces in a rock or sediment.

Question 8

Recharge

Answer 8

The process by which water is added to an aquifer by infiltration and movement of water from Earth’s surface.

Question 9

Spring

Answer 9

A place where the water table intersects Earth’s surface, resulting in the flow of water onto the surface.

Question 10

Water table

Answer 10

The upper surface of the water-saturated zone of Earth’s crust.

Question 11

Well

Answer 11

A hole dug or drilled into an aquifer for the purpose of supplying water.