River Valleys

Question 1

What are the Features of the Upper Course

Answer 1

• Waterfalls
• Gorges
• Interlocking spurs
• Large rocks and boulders

Question 2

What are the Features of the Middle Course

Answer 2

• Meanders
• Floodplains
• Smaller pebbles and rocks

Question 3

What are the Features of the Lower Course

Answer 3

• Meanders
• Oxbow lakes
• Floodplains
• Levees
• Fine sand particles

Question 4

Characteristics of the Upper Course

Answer 4

• River flows downhill due to gravity
• This creates friction and results in lots of vertical erosion
• The river channel is narrow and shallow
• The valley is V-shaped with steep sides

Question 5

Characteristics of the Middle Course

Answer 5

• Lateral erosion increases as the river becomes less steep
• The river channel is wide and deep
• The valley is V-shaped with shallow sides