Soil and Its Importance

Front

Soil is important to your __________.

Back

life

Front

How might a scientist define soil?

Back

A mixture of minerals, organic matter, gases, liquids, and organisms that together support life.

Front

The very first step in soil formation is the __________ of parent rock.

Back

Weathering

Front

__________ is the source of inorganic soil particles.

Back

Parent rock

Front

Soil forms directly __________ the parent rock.

Back

Above

Front

Name the four items a scientist would say soil is made-up of.

Back

Minerals, organic matter, air, water

Front

__________ breaks down parent rock into smaller and smaller pieces.

Back

Weathering

Front

What do the very small particles of rock and organic matter mix together to form?

Back

Soil

Front

The process of soil formation can take a very __________ time.

Back

Long

Front

(True/False) ALL SOIL forms at the same rate.

Back

False