Rivers Flashcards

1
Q

Where does a river start?

A

Source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a small river that comes off the main river?

A

Tributary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the name of the point where two rivers meet?

A

Confluence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is formed on the outside bend of a river?

A

River cliff.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What formations would you find in the middle course?

A

Meanders/Oxbow Lakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What formations would you find in the upper course?

A

Waterfall/Gorge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What formation would you find in the lower course?

A

Floodplains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The point where the river meets the sea?

A

Mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How does a waterfall form?

A

The soft rock erodes quicker than the hard rock leaving an overhang/undercut.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the erosion techniques?

A

(HAAS) Hydraulic Action, Attrition, Abrasion, Solution.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is deposition?

A

The dropping of materials/sediment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Transportation techniques?

A

(TSSS) Traction, Saltation, Suspension, Solution.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Define hydraulic action?

A

The sheer force of water compressing into the cracks of rocks.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Define abrasion?

A

The scraping of sediment against the river bed like sandpaper removing small bits.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Define attrition?

A

Sediment colliding and becoming smaller and more rounder.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Define solution?

A

Acids in water dissolve certain types of rock such as limestone.