Soil Layers

SOIL LAYERS ARE CALLED.......

• MATERIALS
• ORGANIC
• HUMUS
• HORIZONS

THIS HORIZON IS MADE OF DECAYING LEAVES, TWIGS AND ANIMAL REMAINS/WASTES......

• A
• B
• C
• O

Tags

NGSS.MS-LS2-3

MIXTURE OF ROCK, MINERAL PARTICLES, AND ORGANIC MATTER...... 

• HORIZONS
• HUMUS
• SOIL
• CLAY

What is humus?

• soil
• organic matter
• loam
• minerals

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which layer is the subsoil?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R

Tags

NGSS.MS-ESS2-1

Which layer is the topsoil?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R

Soil is made of:

• pieces of rock

• air and water

• matter that was once alive

• all of the above

Tags

NGSS.MS-LS2-3

What is a vertical cross section of the soil?

• soil erosion
• soil profile
• soil structure
• soil texture

The horizon that contains partially weathered rock.

• C Horizon

• A Horizon

• B Horizon

• Bedrock

Which layer is the parent material?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R