Chapter 10-Groundwater

Question 1

Infiltration

Answer 1

Process by which precipitation that has fallen on land surfaces enters the ground and becomes groundwater

Question 2

Zone of saturation

Answer 2

Depth below earth’s surface where all the pores of a material are completely filled with groundwater

Question 3

Water table

Answer 3

Upper boundary of the zone of saturation that rises during wet seasons and drops during dry periods

Question 4

Permeability

Answer 4

Ability of a material to let water pass through

Question 5

Aquifers

Answer 5

Permeable underground layer through which groundwater flows relatively easily

Question 6

Cave

Answer 6

Underground opening connected to earth’s surface, usually formed when groundwater dissolves limestone

Question 7

Sinkhole

Answer 7

Depression in earth’s surface formed when a cave collapses or bedrock is dissolved by acidic rain or moist soil

Question 8

Springs

Answer 8

Natural discharge of groundwater at earth’s surface where an aquifer and an aquiclude come in contact

Question 9

Hot Springs

Answer 9

Thermal spring with temperatures higher than that of the human body

Question 10

Geysers

Answer 10

Explosive hot spring that erupts regularly

Question 11

Well

Answer 11

Deep hole drilled or dug into the ground to reach a reservoir of groundwater

Question 12

Drawdown

Answer 12

Difference between the water level in a pumped well and the original water table level

Question 13

Recharge

Answer 13

Process by which water from precipitation and runoff is added to the zone of saturation

Question 14

Artesian well

Answer 14

Fountain of water that spurts above the land surface when a well taps a deep, confined aquifer containing water under pressure