Earth's Soil

Front

What is soil made of?

Back

Soil is made of weathered rocks and minerals, dead plants and animals, air, and water.

Front

What type of soil soaks up water and air very well?

Back

Medium textured soil.

Front

What type of soil is sandy, lacks humus, but is rich in minerals?

Back

Desert soil.

Front

True or False: Soil can take thousands of years to form.

Back

True.

Front

What are solid nonliving substances found in nature called?

Back

Minerals.

Front

What is humus?

Back

Humus is the organic component of soil formed by the decomposition of leaves and other plant material.

Front

What is the role of air in soil?

Back

Air in soil provides oxygen for plant roots and soil organisms.

Front

What is the difference between sandy soil and clay soil?

Back

Sandy soil has larger particles and drains quickly, while clay soil has smaller particles and retains water.

Front

What is topsoil?

Back

Topsoil is the uppermost layer of soil, rich in organic matter and nutrients, crucial for plant growth.

Front

What is the importance of soil for plants?

Back

Soil provides nutrients, water, and support for plants to grow.