Soil

Front

Sequence from smallest to largest particle size: Clay, silt, sand, gravel; Silt, sand, gravel, clay; Gravel, sand, silt, clay; Sand, gravel, clay, silt

Back

Clay, silt, sand, gravel

Front

Which type of soil is the smallest in particle size? Options: Sand, Silt, Clay, Bedrock

Back

Clay

Front

Best range of pH for plant growth? Options: Weak acidic and neutral, Weak basic and neutral, Neutral only, Acidic only

Back

Weak acidic and neutral

Front

Which range of pH is best for plant growth?

Back

5-7

Front

What is beneficial about topsoil?

Back

Suitable for plant growth

Front

Which physical property causes these soils and other materials to layer in this sequence? Options: Boiling point, Density, Color, Ability to rust

Back

Density

Front

What describes a soil horizon?

Back

A layer of soil

Front

What is soil?

Back

A mixture of weathered rock, organic matter, air, and water

Front

Soil that allows water to pass through it is considered to be _______________. Options: groundwater, permeable, runoff, impermeable

Back

permeable

Front

The decayed organic matter in soil is called _______________.

Back

humus