5 Written Questions

1. very small channel of water, caused mainly by runoff watern that eroded the soil
2. (also called the river bed) is the bottom of the river (or other body of water)
3. large, flowing body of water that usually empties into a sea or ocean
4. an area that contains flowing water confined by banks
5. very tiny particles of soil or rocks that are 3 to 60 micrometers in diameter

5 Matching Questions

1. riverine
2. riverbed
3. channeled
4. source
5. siltation

1. a grooved or cut deeply
2. b beginning of a stream or river
3. c relating to, similar to, or formed by a river
4. d bottom of the river (or other body of water)
5. e deposit or accumulation of very tiny soil particles (silt)

5 Multiple Choice Questions

1. natural cycle in which the sun's energy evaporates water into the atmosphere, and the water vapor condenses, returning to the Earth as precipitation (rain, snow, sleet, etc.)
   1. watershed
   2. riverine
   3. water cycle
   4. waterfall
2. sudden drop in a river as it flows over a rock cliff. This happens when the river passes from a layer of hard rock to a layer of softer rock, and the water erodes away the softer rock
   1. rill
   2. water cycle
   3. watershed
   4. waterfall
3. the land that drains water into a particular stream, lake, or river
   1. watershed
   2. riverine
   3. waterfall
   4. riverbed
4. amount of salt dissolved in water
   1. silt
   2. siltation
   3. salinity
   4. sediment
5. something that follows a winding path
   1. channel
   2. meander
   3. river
   4. bank

5 True/False Question

1. brackish → water that is saltier than river water but less salty than sea water
   

   True        False

2. alluvial → large, silty area at the mouth of a river at which the river splits into many different slow-flowing channels that have muddy banks
   

   True        False

3. hydrologic cycle → another name for the water cycle
   

   True        False

4. delta → large, silty area at the mouth of a river at which the river splits into many different slow-flowing channels that have muddy banks
   

   True        False

5. effluent → wastewater (like sewage water or factory runoff) that flows from a factory or other facility
   

   True        False