Rivers and Floods - Honors 175

Identify the three types of stream load. (Choose ALL three)

• bed load

• alluvial load

• suspended load

• dissolved load

• radial load

The areas highlighted in blue and red on this picture are:

• nickpoints

• deltas

• alluvial fans

• drainage basins

• braided rivers

The landform seen in this picture was likely created by:

• a dendritic river

• a deranged river

• a braided river

• a straight river

• a meandering river

The surface of the earth is ____ water. Of the earth's water, only ____ is fresh water, and most of the freshwater is found in ____.

• 70%; 3%; glaciers

• 70%; 30%; freshwater lakes

• 70%; 30%; glaciers

• 30%; 3%; glaciers

• 50%; 30%; freshwater lakes

Sinuosity is:

• the channel's width times its average depth

• the channel's length divided by its straight-line distance

• the channel's vertical drop in elevation over its horizontal distance

• the volume of water passing through a particular cross-section of a stream

If we paid attention ONLY to the section of the Mississippi River system highlighted in red, what "order" would the Mississippi River have in the circled area on the map?

• 1st order

• 2nd order

• 3rd order

• 4th order

• 12th order

Which of the following is NOT a cause of floods?

• heavy precipitation

• runoff from melting snow

• ice jams

• urbanization

• all cause floods

____ is likely a primary hazard related to floods, while ____ is likely a secondary hazard.

• Damage to roads; disease

• Fire; injury and loss of life

• Failure of water treatment plants; damage to buildings

• Injury and loss of life; damage to roads

Which of these is a natural service that floods provide?

• replenishing water resources

• bringing nutrients to new places

• providing new habitats

• cleaning debris from the river

• all are natural services of floods

Which of the following human actions is likely to NOT worsen flooding conditions?

• converting forest land into crop land

• constructing a dam

• urbanizing an area

• replanting a forest