Ch 06.2: The Work of Streams - Deposition & Stream Valleys

Multiple Choice

In a stream channel, which of the following will be deposited first?

• the dissolved load

• fine sand and silt

• gravel-sized particles

• clay-sized particles

Multiple Choice

A depositional feature that forms where a stream enters a lake or ocean is a(n) ___.

• natural levee

• meander

• delta

• oxbow lake

Multiple Choice

Occasionally, deposition causes the main channel of a stream to divide into several smaller channels called ___.

• oxbow lakes

• meanders

• distributaries

• deltas

Multiple Choice

A natural levee is...

• ...an erosional feature perpendicular to the stream channel.

• ...a depositional feature perpendicular to the stream channel.

• ...an erosional feature parallel to the stream channel.

• ...a depositional feature parallel to the stream channel.

Multiple Choice

What type of stream valley would form in a mountainous area?

• a wide, flat valley

• No valley would form.

• The type of valley would depend on the stream discharge.

• a narrow V-shaped valley

Multiple Choice

The most prominent features of a narrow, V-shaped valley, where the stream profile drops rapidly, are ___.

• meanders and floodplains

• rapids and waterfalls

• lakes and ponds

• deltas and natural levees

Multiple Choice

Which of the following would least likely be found in a wide valley?

• oxbow lake

• meanders

• rapids

• a cutoff

Multiple Choice

The flat portion of a valley floor adjacent to a stream channel is called a ___.

• floodplain

• meander

• divide

• tributary

Multiple Choice

A floodplain forms where a stream...

• ...cuts downward rapidly.

• ...is far above its base level.

• ...carries no bed load.

• ...cuts mainly side to side.