Quiz on Weathering, Erosion, and Sedimentary Rocks

What is the main agent involved in creating the minerals in chemical sedimentary rock?

• Wind

• Water

• Ice

• Gravity

Which in situ process turns bedrock into smaller particles called sediment?

• Lithification

• Deposition

• Weathering

• Erosion

What is the main agent of erosion?

• Wind

• Ice

• Gravity

• Liquid water

What is the term for the process where plant roots work into cracks and pry bedrock apart?

• Pressure expansion

• Root wedging

• Frost wedging

• Salt expansion

Which type of weathering is dominant in warm, humid environments?

• Biological weathering

• Physical weathering

• Chemical weathering

• Mechanical weathering

What is the main process that breaks down silicate rock and creates clay minerals?

• Oxidation

• Dissolution

• Hydrolysis

• Exfoliation

What type of weathering involves the chemical reaction that causes rust in metallic iron?

• Oxidation

• Hydrolysis

• Dissolution

• Carbonation

What is the term for the process that turns loose sediment grains into clastic sedimentary rock?

• Erosion

• Deposition

• Weathering

• Lithification

Which type of sedimentary rock is made from pieces of bedrock primarily by mechanical weathering?

• Biochemical sedimentary rock

• Clastic sedimentary rock

• Organic sedimentary rock

• Chemical sedimentary rock

What is the term for the range of grain sizes within sediment or sedimentary rock?

• Compaction

• Grading

• Sorting

• Rounding