Soil Formation

Front

What is humus?

Back

Humus is a dark, organic material in soil formed from the decomposition of plant and animal matter.

Front

Which organisms contribute most to humus formation?

Back

Plants contribute most of the organic remains found in humus.

Front

What is weathering in the context of soil formation?

Back

Weathering is the process of breaking down rocks and minerals into smaller particles, which contributes to soil formation.

Front

In which environment does weathering occur the fastest?

Back

Weathering happens quickest in wet and hot environments.

Front

What are the main factors scientists use to classify soil types?

Back

Scientists classify soil types based on climate, plants, and soil composition.

Front

What is loam?

Back

Loam is a type of soil that is an equal mixture of sand, silt, and clay.

Front

What is the smallest particle found in soil?

Back

Clay is the smallest particle found in soil.

Front

What is soil composition?

Back

Soil composition refers to the different materials that make up soil, including minerals, organic matter, water, and air.

Front

What role do plants play in soil formation?

Back

Plants contribute organic matter to the soil when they die and decompose, enriching the soil.

Front

How does climate affect soil formation?

Back

Climate affects soil formation by influencing the rate of weathering, organic matter decomposition, and the types of vegetation present.