Soil Test Review

This nutrient-rich, organic material is made from dead and decaying plant and animal remains. What is it called?

• clay

• humus

• loam

• silt

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

What is the common name for Horizon A?

• bedrock
• topsoil
• parent material
• subsoil

What is sediment?

• the process of rocks being broken down and carried away
• bits of rock, sand, and silt caused by the weathering of rocks
• the top layer of the soil
• decaying plant or animal material 

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

What is the process of moving sediments from location to another?

• Deposition

• Erosion

• Weathering

• Compaction

What is weathering?

• The movement of sediment

• The breaking of sediment

• The dropping of sediment

Tags

NGSS.MS-ESS2-2

Layers of soil are also known as:

• Soil Profiles
• Soil Horizons
• Soil sheets
• Soil cores

Which layer of soil is closest to the surface?

• O horizon

• A horizon

• R horizon

• C horizon

The upper layer of soil consisting of rock particles, water, air, and organic matter is the ____________________.

• parent material

• bedrock

• topsoil

• subsoil

Which of the following are components of soil

• Air
• Water 
• Minerals
• All of the above

Tags

NGSS.MS-LS2-3