Front

What is soil mostly made of if it fills with water and does not empty?

Back

Clay

Front

What is the process called when wind blows sand from one location to another?

Back

Erosion

Front

What type of soil is made of tiny pieces of rock?

Back

Sand

Front

Which soil particle is the largest?

Back

Sand

Front

What is soil made of?

Back

Weathered rocks and minerals, dead plants and animals, air and water.

Front

What is humus?

Back

Decomposed organic matter in soil.

Front

What is erosion?

Back

The process of moving soil or rock from one place to another.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks; erosion moves them.

Front

What is silt?

Back

Fine particles of soil that are smaller than sand but larger than clay.

Front

What role does water play in soil?

Back

Water helps to dissolve nutrients and supports plant growth.