Soil

Front

What organism helps to loosen soil and add oxygen for better plant growth?

Back

Earthworms

Front

What is the lightest material commonly found in soil?

Back

Humus

Front

What is a physical change?

Back

A physical change is something where no new material is made; things look different but are still the same material.

Front

What does soil consist of?

Back

Soil consists of minerals, organic matter, water, and air.

Front

What process involves the breaking up of rocks by wind or water and moving them from their current location?

Back

Erosion

Front

What is the role of humus in soil?

Back

Humus improves soil structure, provides nutrients, and enhances moisture retention.

Front

What are the main components of soil?

Back

The main components of soil are minerals, organic matter, water, and air.

Front

How do earthworms contribute to soil health?

Back

Earthworms aerate the soil, improve drainage, and enhance nutrient availability.

Front

What is the significance of soil pH for plant growth?

Back

Soil pH affects nutrient availability and microbial activity, influencing plant health.

Front

What is the difference between physical and chemical changes in soil?

Back

Physical changes do not alter the chemical composition, while chemical changes do.