Module 27

Question 1

Aquifer

Answer 1

Pore spaces found within permeable layers of rock and sediment underneath the soil

Question 2

Unconfined aquifer

Answer 2

Porous rock covered by soil

Question 3

Confined aquifer

Answer 3

Surrounded by a layer of impermeable rock or clay, which impedes water flow to or from the aquifer

Question 4

Water table

Answer 4

The uppermost level at which the groundwater in a given area fully saturates the rock or soil

Question 5

Groundwater recharge

Answer 5

The process by which water from precipitation percolates through the soil into groundwater

Question 6

Spring

Answer 6

Water that naturally percolates up to the surface

Question 7

Water footprint

Answer 7

Total daily per capita use of fresh water for a country or the world

Question 8

Furrow irrigation

Answer 8

A form of irrigation where the farmer digs trenches, or furrows, along the crop rows and fills them with water

Question 9

Flood irrigation

Answer 9

A form of irrigation where an entire field is flooded with water

Question 10

Spray irrigation

Answer 10

A form of irrigation where water is pumped into an apparatus that contains a series of spray nozzles

Question 11

Drip irrigation

Answer 11

A form of irrigation where a slowly dripping hose on the ground or buried beneath the soil delivers water directly to the plant roots

Question 12

Cone of depression

Answer 12

An area surrounding a well that does not contain groundwater

Question 13

Fungicide

Answer 13

A pesticide that specifically targets fungi