APES Chapter 15

Question 1

fresh water

Answer 1

water that is relatively pure, with few dissolved salts

Question 2

surface water

Answer 2

water located on earth’s surface

Question 3

runoff

Answer 3

water that flows over land

Question 4

watershed

Answer 4

where all the water drains to from rivers

Question 5

floodplain

Answer 5

areas nearest the river that periodically get flooded

Question 6

wetlands

Answer 6

systems in which soil is saturated with water and which generally feature shallow standing water with ample vegetation

Question 7

groundwater

Answer 7

water beneath the surface held within pores in soil or rock

Question 8

aquifers

Answer 8

porous, spongelike formations of rocks, sand, or gravel that hold water

Question 9

water table

Answer 9

the area between the upper and lower levels in an aquifer

Question 10

consumptive use

Answer 10

take water from aquifers but don’t return it

Question 11

non consumptive use

Answer 11

water that doesn’t move/temporarily moves water from aquifers

Question 12

flooding

Answer 12

natural process when heavy rain and snow melt swells the volume of water

Question 13

dam

Answer 13

any obstruction placed in a rive/stream to block its flow

Question 14

reservoir

Answer 14

artificial lakes that store water for human use

Question 15

sinkholes

Answer 15

when areas of ground give way without warning