Rivers EDP Review

What is the starting point of a river called?

• mouth

• peak

• source

• channel

What is the point where a river joins the sea called?

• neck

• mouth

• source

• basin

What is the imaginary line that separates one river basin from another called?

• confluence

• equator

• watershed

• water table

What is a small river that joins the main river called?

• confluence

• delta

• estuary

• tributary

Why does a river flow faster in its upper course?

• Small rivers can flow more quickly.

• There is nothing to block the river's course.

• The land is steeper here.

• It is pulled by the ocean's tides.

What is evaporation?

• the process in which a gas becomes a liquid

• the process in which a liquid becomes a gas

• the process in which a liquid becomes a solid

• the process in which a solid becomes a gas

Which is NOT one of the ways in which rainwater reaches a river?

• throughflow

• surface runoff

• interception

• groundwater

What is a feature of impermeable rock?

• It is soft and easily eroded.

• It allows infiltration.

• It has cracks and pores that fill up with water.

• It does not let water pass through.

What is another name for rainfall (or any form of water returning to the ground)?

• precipitation

• participation

• predication

• pacification

The process in which rocks and stones wear away as they bang against each is called _____.

• attrition

• suspension

• transition

• abrasion