Soil

1. What is the dark, organic material that helps make soil fertile?

• Bedrock

• Horizon

• Humus

What are the different layers of the soil profile called?

• Topsoil

• Horizons

• Bedrock

• Profile

The material from which soil forms is called

• Bolders

• Parent Material

• Humus

• Top Soil

What is a primary ingredient of humus?

• Clay and Silt

• Gravel

• Decayed Organic Matter

• Rocks

How freely water moves through soil is called

• Soil Texture

• Ph

• Permeability

Which three layers form the soil profile?

• Air, water, and soil

• Minerals, organic matter, and living organisms

• Clay, silt, and sand

• The topsoil, subsoil, and parent material

What is soil erosion?

• It is the process by which soil is formed

• A harmful process that involves the removal and transport of soil by wind and water

• A natural method of filtering harmful pollutants

• A process often referred to as the 'greenhouse' effect

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

This type of soil is sticky when wet and hard when dry. 

• clay
• silt
• sand
• gravel

Which of the following is NOT one of the three layers of soil?

• topsoil
• undersoil
• subsoil
• bedrock

Tags

NGSS.MS-ESS2-1