RIVERS

Question 1

The upper course

Answer 1

Steep, small, high energy, V-shaped

Question 2

The middle course

Answer 2

Slow, Carry’s sediment, muddy, wider

Question 3

The lower course

Answer 3

Wide, sides disappear, approaches mouth, large floodplain, deposition

Question 4

Solution/corrosion

Answer 4

Soluble particles and minerals dissolved into the river

Question 5

Hydraulic action

Answer 5

Water pressure building up and gradually wearing away the banks

Question 6

Attrition

Answer 6

Rocks being transported and smashing into each other to become smaller and smoother

Question 7

Abrasion/corrasion

Answer 7

Rocks carried along wearing down the river bed and banks like sand paper

Question 8

Gradient

Answer 8

Steep gradient resulting in water being pulled by gravity cutting and eroding channel

Question 9

Rock resistance

Answer 9

Increasing more erodible rock

Question 10

Velocity

Answer 10

The speed of the water

Question 11

Discharge

Answer 11

Amount of water flowing per second

Question 12

Levee

Answer 12

River banks that can increase height due to sediment

Question 13

Hard engineering

Answer 13

Heavy machinery, working against nature, artificial

Question 14

Soft engineering

Answer 14

Adapt to nature/work with it, cheaper, less effective then hard engineering

Question 15

Suspension

Answer 15

Fine light materials carried along

Question 16

Traction

Answer 16

Large boulders and rocks are moves along river bed

Question 17

Solution

Answer 17

Minerals dissolved in river

Question 18

Saltation

Answer 18

Small pebbles bounced along bed

Question 19

River source

Answer 19

Start of river

Question 20

Drainage basin

Answer 20

Area which the water flows into to drain

Question 21

Watershed

Answer 21

Invisible boundary around the drainage basin

Question 22

Confluence

Answer 22

Occurs when 2 or more flowing bodies of water join to form a channel

Question 23

Tributary

Answer 23

Freshwater stream that feeds into a larger stream or river

Question 24

Floodplain

Answer 24

Area of flat land against a river

Question 25

Mouth

Answer 25

The river enters a lake, larger river, ocean

Question 26

River bed

Answer 26

Bed of river

Question 27

River bank

Answer 27

The land along the edge of a river

Question 28

Competence

Answer 28

Largest sized individual particle a river can carry

Question 29

Capacity

Answer 29

Maximum amount of things a river can carry