EEn 2.3.2 C River Systems

What is the elevated boundary separating watersheds and river systems?

• Headwaters
• Flood Plain
• Divide
• Meander

A small stream or river feeding into the main river is known as...

• Confluence
• Source
• Tributary
• Mouth

An area of land that in which all water flows into the same river is a

• watershed

• river system

• tributary

• alluvial fan

Which term best describes the flow of water over land?

• runoff

• precipitation

• transpiration

• condensation

What causes tributaries to flow downward toward a main river?

• friction

• surface tension

• gravity

• silt and sand

The flat area that surrounds a river or stream is called a

• Sediment

• Runoff

• Floodplain

• Pollution

The picture shows bends in a river as it flows over land - what river feature is this?

• Oxbow Lake

• Meander

• Estuary

• Tributary

The picture shows the point where a river meets a larger body of water, such as an ocean. What river feature is this?

• Headwaters

• Meander

• Levee

• Mouth