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Study Guide Answers

1.     _________________ is a fan-shaped sediment deposit at the mouth of a stream.
     Delta
2.     The slope of a stream bed is a ___________________.
     gradient
3.     A _________________is a small, sluggish stream in Louisiana and surrounding regions.
     Bayou
4.     What type of stream flows year-round, although there may be seasonal changes in its volume or velocity?
     Perennial Stream
5.     The level of a stream at its mouth is know as the __________ ____________.
     Base Level
6.     The ___________ _____________ is a flattish land on either side of a stream, which receives any overflow of water.
     Flood Plain
7.     ____ ________________ is the movement of dissolved minerals downstream.
     In Solution
8.     A steep drop in elevation along a stream's course, with the steep section being downstream is the ______________________.
     Knickpoint
9.     __________________ is the drowned mouth, where a river reaches the sea, and which is strongly influenced by the tides.
     Estuary
10.     The drainage basin of a stream is a __________________.
     Watershed
11.     A river which winds in and out between many sandbars is a ____________ ______________.
     Braided Stream
12.     ____________________ _______________ is the high land that seperates drainage basins.
     Drainage Divide
13.     _______________ _______________ is the side-cutting of a stream's bed; its vertical drop over a given horizontal distance.
     Lateral Erosion
14.     Fine particles of sediment that flow downstream are ____ _____________________.
     In Suspension
15.     What type of stream flows only during the wetter seasons of the year?
     Intermittent Stream
16.     _____________________ are streams, often near a river's mouth, which carry water away from the main stream.
     Distributaries
17.     Name the type of stream that flows year-round across dry regions en route to the sea.
     Exotic Stream
18.     Light rock matter, as it is gradually pushed downsteam is _____________________.
     Saltation
19.     The lowest point in a stream's course, where it empties into another stream or into another body of water is the _____________.
     Mouth
20.     The __________________ _____________ is a former part of a meandering stream, now cut off from the stream by sediment deposits.
     Oxbow Lake
21.     A ________________ ________________ is when a stream contains so much water that it overflows its banks.
     Flood Stage
22.     Places where a stream bed is steep and the water velocity is high are the _______________.
     Rapids
23.     _________________________ are the smallest streams tha tflow into a large basin.
     Tributaries
24.     The ________________ is the head of a river or stream, where it first appears as a surface stream.
     Source
25.     The measure of the volume of water flowing past a particular point in a given perios of time is _______________________.
     Discharge
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.