Module 1 Dynamic Earth pt 2

Which of the following can cause erosion? Mark only one oval.

• falling leaves

• flowing water

• growing grass

• rising temperatures

As stream velocity decreases, which factor will likely increase? Mark only one oval.

• erosion of the stream bank

• deposition of material in the stream

• amount of material carried downstream

• size of the particles carried downstream

A map with contour lines is shown below. Which of the following is the best estimate of the difference in elevation between Black Bear Camp and Eagle Peak?

• 400 m

• 900 m

• 1200 m

• 1500 m

A lake is surrounded by hills covered with trees and shrubs. Which statement correctly describes how a change to the plants in this area will affect this environment?

• Adding plants to the hillsides will increase sedimentation in the lake.

• Adding plants to the edge of the lake will increase erosion by the lake.

• Removing plants from the hillsides will increase erosion on the hills.

• Removing plants from the edge of the lake will increase sedimentation on the hills.

Erosion and deposition change the surface of Earth. Which number in the diagram represents a landform made by the deposition of eroded sediment?

• 1

• 2

• 3

• 4

Part of a topographic map is shown below. Which feature is most likely shown on the map?

• lake

• river

• island

• mountain

The course of a river changed over a period of 100 years, as shown in the before and after diagrams below. Which two factors most directly caused this change over time?

• wind and rain

• erosion and deposition

• freezing and thawing

• condensation and evaporation

Soil in an empty field blows away during a strong wind. Which activity slows the erosion of a field over time?

• watering the field

• plowing the field in rows

• planting grass in the field

• building an electric fence

Use the following pictures to answer the question. How do these plants slow soil erosion caused by heavy rains?

• Plants absorb water from the wet soil.

• Plant roots hold soil particles together.

• Plant leaves release water from the soil into the air.

• Plants decrease moisture evaporation from the soil.

The diagram below shows a side view of a landform with different elevations. Which of the following maps best represents this landform?

• Option 1

• Option 2

• Option 3

• Option 4