Rivers

Question 1

Catchment Area

Answer 1

an area of land drained by the river

Question 2

Tributary

Answer 2

a stream or small river that joins into a larger river

Question 3

Confluence

Answer 3

the point where 2 rivers meet

Question 4

Mouth

Answer 4

the end point of a river, where the river flows into the sea

Question 5

Source

Answer 5

the starting point of a river

Question 6

Watershed

Answer 6

the boundary of a drainage basin, seperating drainage basins

Question 7

NEXT SECTION

Answer 7

NEXT SECTION

Question 8

Mechanical Weathering (Freeze Thaw)

Answer 8

rainwater entering cracks in rocks and freezing in cold temperatures. The water turns into ice and expands causing the rock to break

Question 9

Biological Weathering

Answer 9

roots of plants such as trees can grow into cracks in rocks and split the rock
apart

Question 10

Chemical Weathering (Acid Rain)

Answer 10

acidic rainwater falling on rocks, reacting the weak minerals, and causing them
to dissolve

Question 11

EROSION TOPIC

Answer 11

EROSION TOPIC

Question 12

Hydraulic Action

Answer 12

the force of the water hitting the bed and banks, air entering the cracks and wearing
them away

Question 13

Abrasion

Answer 13

material rubbing the bed and banks of the river, wearing it away

Question 14

Attrition

Answer 14

small sediment particles colliding with each other, causing them to become smaller and
more rounded downstream

Question 15

Solution

Answer 15

the acidity in the water dissolving small rocks such as limestone or chalk