Soil Review

Loose weathered rock in which plants can grow.

• gravel

• soil

• pebbles

• humus

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Equal parts sand , silt, and clay.

• gravel

• litter

• humus

• loam

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

The name for the A horizon.

• topsoil

• subsoil

• partially weathered bedrock

• bedrock

The name for the B horizon.

• topsoil

• subsoil

• partially weathered bedrock

• bedrock

Organisms that break down organic material are called

• litters

• loamers

• humors

• decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Soil made of this size particle would not be good because it holds too much water and would "drown" the plants.

• gravel

• sand

• silt

• clay

Tags

NGSS.MS-LS1-5

Decayed organic material that gives soil its dark color.

• laom

• humus

• gravel

• litter

This material is the solid layer under the soil. When it weathers it makes up the rock particles in the soil.

• loam

• humus

• bedrock

• litter

Tags

NGSS.MS-ESS2-2

Weathered rock that is large in size (more than 1 mm in diameter).

• gravel

• sand

• silt

• clay

The soil horizon that is made of partly weathered bedrock

• A horizon

• B horizon

• C horizon