Rivers

Question 1

Source

Answer 1

The place where the river begins

Question 2

Confluence

Answer 2

The point where two rivers meet

Question 3

Tributary

Answer 3

A smaller river that joins a
Larger river

Question 4

Drainage basin

Answer 4

The land drained by a river system

Question 5

Watershed

Answer 5

The boundary of a drainage system

Question 6

Mouth

Answer 6

Where the river meets the sea

Question 7

Erosion

Answer 7

The wearing away and break down of rocks by a river

Question 8

Deposition

Answer 8

Process where material being transported by a river is dropped

Question 9

Transportation

Answer 9

Where the river carries away the eroded material

Question 10

Solution

Answer 10

Soluble rocks are dissolved into the river

Question 11

Abrasion

Answer 11

Rocks are carried along the by the river rub and scrape along the river bed and banks

Question 12

Attrition

Answer 12

Rocks being carried by the river smash together and break into smaller smoother and rounder particles

Question 13

Hydraulic action

Answer 13

The force of the river against the banks can cause air to be trapped in cracks. The pressure weakens the banks and gradually wears it away

Question 14

Solution (transport)

Answer 14

Minerals are dissolved in the water and carried along in solution

Question 15

Suspension

Answer 15

Fine light material is carried along in water

Question 16

Saltation

Answer 16

Small pebbles are bounced along the river bed

Question 17

Traction

Answer 17

Large boulders and rocks are rolled along the river bed

Question 18

How does a river change from uper course to lower course

Answer 18

In the lower course, the water doesn’t have enough energy to carry material, like sand and sediment so the river drops in