Soil Formation and Weathering Quiz

What is the role of weather in soil formation?

• It has no effect on soil formation.

• It helps shape the landscape and form soil.

• It only affects plant growth.

• It prevents soil from forming.

What is physical weathering also known as?

• Chemical weathering

• Biological weathering

• Mechanical weathering

• Thermal weathering

What is the effect of temperature fluctuations on rocks?

• They make rocks softer

• They cause rocks to expand and contract

• They change the color of rocks

• They make rocks heavier

What is the result of the breakdown of rocks and decomposition of plant and animal material?

• Formation of sand

• Formation of soil

• Formation of water

• Formation of air

What directly affects how soil forms according to the text?

• Only wind

• Only rain

• Temperature, precipitation, wind, and other atmospheric conditions

• Only sunlight

How does acid rain contribute to weathering?

• By creating rust

• By dissolving certain types of rock

• By carrying sand particles

• By helping plant roots grow

What is biological weathering?

• Weathering caused by wind

• Weathering caused by chemical reactions

• Weathering caused by living organisms

• Weathering caused by rain

What do microorganisms do in biological weathering?

• They form rust

• They dissolve minerals in rocks

• They create acid rain

• They carry sand particles

What is a common result of chemical weathering?

• Formation of new rocks

• Dissolution of minerals

• Growth of plants

• Increase in rock size

Which weathering process is accelerated by warm temperatures and frequent rainfall?

• Physical weathering

• Biological weathering

• Chemical weathering

• Erosion