Soil Formation

Front

What is soil formation?

Back

Soil formation is the process by which rocks and organic materials break down and combine to create soil.

Front

What is humus?

Back

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

Front

Which organisms are primarily responsible for decomposing organic matter in soil?

Back

Fungi, bacteria, and worms are the main decomposers in soil.

Front

What is weathering in the context of soil formation?

Back

Weathering is the process of breaking down rocks into smaller particles due to environmental factors like water, temperature, and biological activity.

Front

What type of soil particle is the largest?

Back

Sand is the largest particle found in soil.

Front

What is the smallest soil particle?

Back

Clay is the smallest particle found in soil.

Front

What is the role of plants in soil formation?

Back

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

Front

What is the top layer of soil called?

Back

The top layer of soil is called 'topsoil' or 'Horizon A', which contains a high amount of humus.

Front

What factors influence soil formation?

Back

Climate, parent material, topography, organisms, and time are key factors that influence soil formation.

Front

What is the difference between soil horizons?

Back

Soil horizons are distinct layers in the soil profile, each with different characteristics and compositions.