rivers

Question 1

what is a river system

Answer 1

a river and all its tributaries

Question 2

what is a tributaries

Answer 2

tributaries are small rivers that flow into a larger river

Question 3

what is a catchment area

Answer 3

a catchment area is all the land from which the river gathers its water

Question 4

when it rains…….

Answer 4

the rain water either soaks underground or it flows into rivers

Question 5

every river is part of a larger system ……..

Answer 5

a watershed

Question 6

rivers are ….

Answer 6

large natural streams of water flowing in channels

Question 7

what is a river mouth

Answer 7

when a river flows into a ocean ,lake or another river

Question 8

upstream

Answer 8

direction closer to the river mouth

Question 9

downstream

Answer 9

direction closer to the river mouth

Question 10

wetlands

Answer 10

low lying areas saturated with water . for long enough periods to support veratation adapted to wet conditions

Question 11

floodplain

Answer 11

a floodplain is relatively flat land stretching from either side of a river. floodplain soil is often rich in nutrients and ideal for growing crops

Question 12

watershed boundry

Answer 12

also called drainage divide , markes the outer- most limit of a watershed boundry

Question 13

what is a main river

Answer 13

it is a primary channel of a river

Question 14

a meander

Answer 14

is a loop in a river channel