Key Terms

Traction is a type of...

• erosion
• transportation
• deposition

Traction is when rocks bounce along the river bed

• True
• False

Saltation is when rocks bounce along the river bed.

• True
• False

The force of the water eroding the banks and the bed

• Attrition
• Hydraulic action
• Solution
• Abrasion

Suspension happens mostly in the _____ course of the river

• Upper
• Middle
• Lower

When acid contain in the river dissolves some types of rock

• Attrition
• Hydraulic Action
• Abrasion
• Solution

The ___________ is an imaginary line separating two drainage basins

• Source
• Mouth
• Watershed
• Confluence

The width and depth of a river increase with distance from the source

• True
• False

Which type of erosion leads to bedload getting smaller and rounder?

• Attrition
• Abrasion
• Hydraulic action
• Solution

The river is most turbulent in the ____ course

• Upper
• Middle
• Lower