3.7A Soil Formation

Front

What is the major component of soil?

Back

Weathered rocks.

Front

What does a mixture of sand, tiny rocks, small twigs, and leaves represent?

Back

The formation of soil.

Front

What does weathering of rock mean?

Back

The breaking down of rock by wind, water, and ice.

Front

Which of the following is NOT a plant remain?

Back

Sand particles.

Front

How can ice affect rocks?

Back

Ice can break the rock into smaller pieces.

Front

What is soil made of?

Back

Soil is made of minerals, organic matter, water, and air.

Front

What is organic matter in soil?

Back

Decayed plant and animal remains.

Front

What role does water play in soil formation?

Back

Water helps in the weathering of rocks and the breakdown of organic matter.

Front

What is the process of breaking down rocks called?

Back

Weathering.

Front

What are the two main types of weathering?

Back

Physical weathering and chemical weathering.