Rivers

Question 1

Name the 4 river erosion processes

Answer 1

Hydraulic Action
Abrasion
Attrition
Solution

Question 2

Name 3 river erosion features

Answer 2

1. Vshaped valley
2. Interlocking spers
3. Waterfall

Question 3

Name 3 river deposition features

Answer 3

1. Levee
2. Delta
3. Ox bow lake

Question 4

Name a social,environmental and economic effect of a dam

Answer 4

Social: provides recreational activities e.g water sports
Environmental: provides new habitats for aquatic animals.
Economic: creates employment for people building dams

Question 5

How are V shaped valleys formed

Answer 5

V shaped valleys are formed when the river erodes the landscape and creates a valley in the shape of a V.
This is because of vertical erosion. The river cut down into the riverbed making a deeper. This creates a narrow, deep valley.

Question 6

How are oxbow lakes formed

Answer 6

An oxbow lake is a horseshoe shaped lake found besides the river. They are formed when continue erosion and deposition creat very pronounced meanders.

Question 7

What is erosion

Answer 7

When materials are worn away and transported by wind or water

Question 8

What is deposition

Answer 8

The laying down of materials carried by wind, water or ice.