Drainage Basin And Water Cycle

Question 1

Precipitation is an input

Answer 1

Any water from the sky, rain,snow,sleet

Question 2

Interception by vegetation

Answer 2

Leaves and grass catch raindrops as they fall

Question 3

Surface run off/ overland flow

Answer 3

Water running over the surface of the ground

Question 4

Infiltration

Answer 4

Water sinking into the soil

Question 5

Through flow

Answer 5

Water flowing from the soil

Question 6

Percolation

Answer 6

Water sinking down through the rock into water

Question 7

Groundwater flow

Answer 7

Water flowing slowly from the rock into the river

Question 8

River discharge

Answer 8

Water flowing away in a river

Question 9

Evaporation

Answer 9

Water turning into water vapour in the air

Question 10

Water cycle

Answer 10

The way water moves from the sea, through the air and back to the sea through rivers or the ground

Question 11

Drainage basin

Answer 11

The area of land drained by a river and its tributaries

Question 12

Source

Answer 12

The place where the river starts

Question 13

Tributary

Answer 13

A stream flowing into a river

Question 14

Mouth

Answer 14

Where a river flows into the sea

Question 15

Watershed

Answer 15

The highest point all round the drainage basin

Question 16

Confluence

Answer 16

Where two streams or rivers meet