Erosion Concepts and Processes

What is the primary cause of mass movements such as landslides and avalanches?

• Glaciers

• Wind

• Water

• Gravity

Tags

NGSS.MS-PS2-4

Which type of mass movement is characterized by very slow ground sinking over weeks?

• Soil Creep

• Landslide

• Slumping

• Avalanche

In which type of environment is wind erosion most likely to occur?

• Oceans

• Mountains

• Deserts

• Forests

What shape does a sand dune take when wind blows from one side?

• Gradual slope on wind side, steep drop on opposite side

• Circular

• Steep slope on wind side, gradual drop on opposite side

• Flat

What is the main effect of water on rocks in a river?

• It breaks them into smaller pieces

• It rounds and smooths them

• It sharpens them

• It colors them

Which type of river is typically older?

• A river with rapids

• A river with many twists and turns

• A straight river

• A river with waterfalls

What is the relationship between particle density and settling rate in water?

• Higher density means slower settling

• Higher density means faster settling

• Density does not affect settling rate

• Lower density means faster settling

What is a glacier primarily composed of?

• Sand

• Water

• Ice

• Rock

What type of valley is formed by glacial erosion?

• Winding valley

• V-shaped valley

• U-shaped valley

• Flat valley

Which of the following is NOT a main cause of erosion?

• Mass movement

• Running water

• Earthquakes

• Wind

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4