Soil SOL 3.6

Front

Soil forms in ______.

Back

layers

Front

Soil is made from _____, living and dead organisms, ___, and water.

Back

rocks, air

Front

What is another word for soil?

Back

dirt

Front

Soil takes a ​____ time to form.

Back

long

Front

__________ is the breaking down of rocks.

Back

Weathering

Front

What is humus?

Back

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

Front

What are the three main types of soil?

Back

Sand, silt, and clay.

Front

What is the role of air in soil?

Back

Air provides oxygen for organisms in the soil and helps with the growth of plant roots.

Front

What is soil erosion?

Back

Soil erosion is the removal of the top layer of soil by wind or water.

Front

Why is soil important for plants?

Back

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