Question 1

What is the velocity of stream that is two meters wide,one meter deep,and has a discharge of 10 m3/sec?

Accepted Answer

A) 1 m/s 
B) 2 m/s 
C) 5 m/s 
D) 10 m/s 
A) 1 m/s 
B) 2 m/s 
C) 5 m/s 
D) 10 m/s C

Question 2

Which of the following statements about streams is false?

Accepted Answer

A) Faster currents can carry larger particles than slower currents. 
B) Laminar flows generally carry more sediment than turbulent flows. 
C) Smaller particles settle more slowly than larger particles. 
D) The base level is the lowest level to which a stream can erode. 
A) Faster currents can carry larger particles than slower currents. 
B) Laminar flows generally carry more sediment than turbulent flows. 
C) Smaller particles settle more slowly than larger particles. 
D) The base level is the lowest level to which a stream can erode. B

Question 3

What sort of sedimentary structure forms where rivers run into bodies of standing water?

Accepted Answer

A) alluvial fan 
B) delta 
C) terrace 
D) floodplain 
A) alluvial fan 
B) delta 
C) terrace 
D) floodplain B

Question 4

In North America,the continental divide that separates water that flows into the Atlantic Ocean from water that flows into the Pacific Ocean is located

Accepted Answer

A) in the Sierra Nevada,California. 
B) in the Rocky Mountains. 
C) in the Appalachian Mountains. 
D) along the Mississippi River. 
A) in the Sierra Nevada,California. 
B) in the Rocky Mountains. 
C) in the Appalachian Mountains. 
D) along the Mississippi River.

Question 5

Which of the following terms describes the total sediment load carried by a stream?

Accepted Answer

A) capacity 
B) competence 
C) discharge 
D) viscosity 
A) capacity 
B) competence 
C) discharge 
D) viscosity

Question 6

Sand grains will not be transported by a stream unless the stream velocity exceeds

Accepted Answer

A) 2 centimeters per second. 
B) 2 meters per second. 
C) 20 centimeters per second. 
D) 20 meters per second. 
A) 2 centimeters per second. 
B) 2 meters per second. 
C) 20 centimeters per second. 
D) 20 meters per second.

Question 7

At any point in a river,the equilibrium between erosion of the streambed and sedimentation in the channel is controlled by

Accepted Answer

A) climate. 
B) stream flow. 
C) topography. 
D) climate,stream flow,and topography. 
A) climate. 
B) stream flow. 
C) topography. 
D) climate,stream flow,and topography.

Question 8

Which of the following terms describes a curved,coarse-grained deposit that forms on the inside curve of a stream?

Accepted Answer

A) dune 
B) meander 
C) oxbow 
D) point bar 
A) dune 
B) meander 
C) oxbow 
D) point bar

Question 9

What sort of stream tends to stay with the pattern it developed initially and not change?

Accepted Answer

A) meandering 
B) antident 
C) braided 
D) superposed 
A) meandering 
B) antident 
C) braided 
D) superposed

Question 10

A tree-like drainage pattern is known as

Accepted Answer

A) dendritic. 
B) radial. 
C) rectangular. 
D) trellis. 
A) dendritic. 
B) radial. 
C) rectangular. 
D) trellis.

Question 11

On a delta,smaller rivers that branch off downstream are called

Accepted Answer

A) distributaries. 
B) divides. 
C) rivulets. 
D) tributaries. 
A) distributaries. 
B) divides. 
C) rivulets. 
D) tributaries.

Question 12

A stream that has a smoothly curving longitudinal profile representing a balance between erosion and sedimentation is referred to as a __________ stream.

Accepted Answer

A) standing 
B) base level 
C) equilibrium 
D) graded 
A) standing 
B) base level 
C) equilibrium 
D) graded

Question 13

An imaginary line below which a stream cannot erode is called

Accepted Answer

A) ground level. 
B) sea level. 
C) lake level. 
D) base level. 
A) ground level. 
B) sea level. 
C) lake level. 
D) base level.

Question 14

Large,cone-shaped deposits of sediment at a mountain front are called

Accepted Answer

A) alluvial fans. 
B) deltas. 
C) natural levees. 
D) terraces. 
A) alluvial fans. 
B) deltas. 
C) natural levees. 
D) terraces.

Question 15

Which of the following statements about fluid flow is false?

Accepted Answer

A) As the velocity of a stream increases,laminar flow may change to turbulent flow. 
B) The viscosity of most fluids increases as temperature increases. 
C) Most streams and rivers are turbulent. 
D) The more viscous the fluid,the more likely the flow is laminar. 
A) As the velocity of a stream increases,laminar flow may change to turbulent flow. 
B) The viscosity of most fluids increases as temperature increases. 
C) Most streams and rivers are turbulent. 
D) The more viscous the fluid,the more likely the flow is laminar.

Question 16

Which of the following is a measure of a fluid's ability to carry particles of a certain size?

Accepted Answer

A) capacity 
B) competence 
C) suspendibility 
D) viscosity 
A) capacity 
B) competence 
C) suspendibility 
D) viscosity

Question 17

Which of the following describes the shape of the longitudinal profile of a stream?

Accepted Answer

A) a concave downward curve 
B) a horizontal line 
C) a concave upward curve 
D) a straight line sloping downstream 
A) a concave downward curve 
B) a horizontal line 
C) a concave upward curve 
D) a straight line sloping downstream

Question 18

In a sand dune in a river,_________ occurs on the upstream side of the dune and ___________ occurs on the downstream side of the dune.

Accepted Answer

A) deposition; deposition 
B) erosion; deposition 
C) deposition; erosion 
D) erosion; erosion 
A) deposition; deposition 
B) erosion; deposition 
C) deposition; erosion 
D) erosion; erosion

Question 19

Because of the undercutting action,waterfalls

Accepted Answer

A) retreat downstream. 
B) grow shorter over time. 
C) grow taller over time. 
D) retreat upstream. 
A) retreat downstream. 
B) grow shorter over time. 
C) grow taller over time. 
D) retreat upstream.

Question 20

The word _____ is used for any flowing body of water,large or small.

Accepted Answer

A) river 
B) stream 
C) channel 
D) drainage 
A) river 
B) stream 
C) channel 
D) drainage

Exam 18: Stream Transport: From Mountains to Oceans

What is the velocity of stream that is two meters wide,one meter deep,and has a discharge of 10 m3/sec?

Which of the following statements about streams is false?

What sort of sedimentary structure forms where rivers run into bodies of standing water?

In North America,the continental divide that separates water that flows into the Atlantic Ocean from water that flows into the Pacific Ocean is located

Which of the following terms describes the total sediment load carried by a stream?

Sand grains will not be transported by a stream unless the stream velocity exceeds

At any point in a river,the equilibrium between erosion of the streambed and sedimentation in the channel is controlled by

Which of the following terms describes a curved,coarse-grained deposit that forms on the inside curve of a stream?

What sort of stream tends to stay with the pattern it developed initially and not change?

A tree-like drainage pattern is known as

On a delta,smaller rivers that branch off downstream are called

A stream that has a smoothly curving longitudinal profile representing a balance between erosion and sedimentation is referred to as a __________ stream.

An imaginary line below which a stream cannot erode is called

Large,cone-shaped deposits of sediment at a mountain front are called

Which of the following statements about fluid flow is false?

Which of the following is a measure of a fluid's ability to carry particles of a certain size?

Which of the following describes the shape of the longitudinal profile of a stream?

In a sand dune in a river,_________ occurs on the upstream side of the dune and ___________ occurs on the downstream side of the dune.

Because of the undercutting action,waterfalls

The word _____ is used for any flowing body of water,large or small.

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

What is the velocity of stream that is two meters wide,one meter deep,and has a discharge of 10 m³/sec?

In a sand dune in a river,_ occurs on the upstream side of the dune and ___ occurs on the downstream side of the dune.