rivers+ drainage basin key terms

Question 1

what is the mouth of a river?

Answer 1

where the river meets the sea

Question 2

what is the source of a river

Answer 2

the start of the river

Question 3

what is a confluence

Answer 3

where two rivers meet

Question 4

what is a tributary

Answer 4

a feeder river

Question 5

what is a watershed

Answer 5

the boundary of a drainage basin

Question 6

what is a floodplain

Answer 6

the flat land on either side of a river which floods

Question 7

what is precipitation

Answer 7

rain, snow, hail, sleet etc

Question 8

what is infiltration

Answer 8

when water enters into soil

Question 9

what is interception

Answer 9

when water is caught by trees and plants

Question 10

what is stemflow

Answer 10

when water lands on plants and runs down the streams

Question 11

what is surface runoff

Answer 11

anywhere water flows over the land surface

Question 12

what is throughflow

Answer 12

the movement of water through the soil

Question 13

what is transpiration

Answer 13

where water vapour comes out of leaves

Question 14

what is evaporation

Answer 14

water rises as vapour comes out of leaves

Question 15

what is groundwater

Answer 15

water stored deep in the ground

Question 16

what is soil moisture

Answer 16

water held between soil particles

Question 17

what is groundwater flow

Answer 17

when water flows through the ground/rock

Question 18

what is surface storage

Answer 18

lakes, ponds, and puddles

Question 19

what is percolation

Answer 19

when water enters permeable rock

Question 20

what is groundwater

Answer 20

water stored underground in bed rock