Weathering and Erosion Youtube Video Questions

What is the process called when rocks break down by physically disintegrating or chemically decomposing?

• Erosion

• Weathering

• Subduction

• Volcanism

Which type of weathering occurs when water freezes and expands within the pores of a rock?

• Salt crystal growth

• Granular disintegration

• Frost action

• Thermal weathering

What is the principal source of inorganic material in the soil?

• Erosion

• Weathering

• Carbonation

• Oxidation

Which process weakens the structural integrity of rocks by removing iron through chemical reactions?

• Granular disintegration

• Frost action

• Oxidation

• Carbonation

What is the name for the process in which carbon dioxide dissolves in rainwater and forms carbonic acid that dissolves minerals in rocks?

• Salt crystal growth

• Granular disintegration

• Frost action

• Carbonation

Which type of weathering creates karst topography and forms caves?

• Mechanical weathering

• Chemical weathering

• Biological weathering

• Thermal weathering

What is the term for the process in which tree roots exert pressure and cause sidewalks to become uneven?

• Granular disintegration

• Frost action

• Oxidation

• Biological weathering

What is the name for the process in which bacteria, algae, fungi, and lichens chemically alter minerals in rocks?

• Salt crystal growth

• Granular disintegration

• Frost action

• Biological weathering

What is the term for the process of weathering, transport, and erosion forming a unified system on a hillslope?

• Mechanical weathering

• Chemical weathering

• Biological weathering

• Denudation

Which type of weathering occurs when rocks break down into progressively smaller fragments without being altered by chemicals?

• Salt crystal growth

• Granular disintegration

• Frost action

• Carbonation