Processes Affecting River Valleys

Question 0

Name the 3 different types of weathering

Answer 0

Chemical
Biological
Physical

Question 1

What is erosion ?

Answer 1

Wearing away of bank and beds of a river and help remove material

Question 2

What is weathering ?

Answer 2

Wearing away of river valley sides

Question 3

How does biological process affect river?

Answer 3

Roots grow into cracks and split rocks apart

Question 4

Name 3 types of mass movement

Answer 4

Slumping
Soil creep
Rock fall

Question 5

Explain mass movement

Answer 5

River valley becomes less steep as material moved from up to bottom

Question 6

Explain slumping

Answer 6

River erodes bottom of valley slope making it steeper. Material above slides downwards sautéed with rain water

Question 7

Explain rock fall

Answer 7

Rocks at top affected by freeze thaw and so break and move down slope

Question 8

Explain soil creep

Answer 8

Move down slope under influence of gravity

Question 9

Weathering takes place in _ and may have to do with _ and weather material may form _ slopes

Answer 9

Situ
Gravity
Scree