Geography: Rivers key terms

What type of erosion is the force of the water trapping air in cracks in the river beds, causing pieces to break away.

What type of erosion refers to rocks carried by the river bing hit into the bed and banks, causing it to wear away.

• Abrasion

• Attrition

• Solution

In what direction does lateral erosion occur?

• downwards

• from side to side

Which key term refers to the movement of material by a river?

Which key term refers to the bouncing of pebbles along the river bed?

• Saltation

• Solution

• Suspension

• Traction

Which statements apply the the movement of material through traction?

• large material

• small material

• High velocity

• Low velocity

What key term is given to any material being transported by a river?

What key term refers to the removal of meanders from a river, so that the river can flow more quickly downstream?

Does this diagram show a river's cross profile or long profile?

• Cross profile

• Long profile

What key terms refers to a barrier built across a valley to control the flow of water downstream?