Rivers

What is the source of a river?

• Where a river ends.

• The middle course.

• Where a river begins.

What is a tributary?

• Where two rivers of the same size join together.

• Where a smaller river joins a larger river.

• Where a smaller river leaves a larger river.

The confluence is:

• A point at which two rivers meet.

• A conversation you have when standing in a river.

• The downward movement of water in the soil.

The mouth of a river is:

• Where the fish get fed.

• The start point of any river.

• The end point of a river.

The drainage basin is:

• The ridge of high land which surrounds a river.

• The area of land drained by a river.

• Also called a sink.

The watershed is:

• A building made to house water.

• A shed which is built on stilts above a river.

• The ridge of land surrounding a river separating two or more drainage basins.

When rocks that are carried by the river scrape away the bed and banks it is called:

• Hydraulic action

• Abrasion

• Attrition

When soluble particles are dissolved into the river it is called:

• Hydraulic action

• Abrasion

• Solution

Which process involves small pebbles and stones being bounced along the river bed?

• Traction

• Saltation

• Solution

Which process involves large boulders and rocks being rolled along the river bed?

• Traction

• Saltation

• Solution