Geology102:Quiz-Unit05

What is an integral part of all sedimentary rock formation?

• Wind

• Water

• Fire

• Ice

What is the term for water's ability to dissolve more substances than any other liquid?

• Solubility

• Universal solvent

• Cohesion

• Adhesion

What causes pressure expansion in bedrock?

• Increase in temperature

• Sudden pressure drop

• Chemical reaction

• Wind erosion

What happens to minerals in bedrock during dissolution?

• They form new minerals

• They dissolve and leave ions in solution

• They become more solid

• They evaporate

What is soil primarily composed of?

• Air, water, and minerals

• Sand, clay, and gravel

• Rocks, pebbles, and dust

• Metal, glass, and plastic

What determines soil productivity according to the text?

• Color and texture

• Amount of humus and nutrient content

• Size and shape of particles

• Depth and density

What was a major consequence of poor soil management in the midwestern United States during the 1930s?

• Increased agricultural yield

• Dust Bowl disaster

• Formation of new soil orders

• Expansion of prairies

What is the average diameter of sediment fragments in sediment or rock called?

• Grain size

• Mineral size

• Rock size

• Sediment size

What is the significance of "rounding" in sediment grains?

• It indicates the color of the sediment

• It shows the age of the sediment

• It reflects the erosion time or transport distance

• It determines the chemical composition

What does "provenance" help geologists determine about sediment or sedimentary rock?

• The color of the sediment

• The original source of the sediment

• The age of the sediment

• The size of the sediment grains