Soil

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

What is the name of Horizon 4?

• Subsoil 

• Topsoil

• Bedrock 

• Parent Material

This is found in the topsoil and is made of decaying plants and animals. 

• dirt
• water
• humus
• subsoil

What is this?

• A Pyramid

• Types of Soil

• Soil Texture Triangle

• A Triangle with words

This type of soil is best for plant growth. 

• rock
• sand
• loam
• clay

The four types of soil are _____. 

• humus, gravel, pebbles, sand
• sand, silt, clay, loam
• sand, rock, pebbles, granite
• sand, clay, bedrock, topsoil

What is the name of a soil that is:
85% Sand
10% Silt
5% Clay

• Sand
• Silt loam
• Loamy sand
• Sandy loam

Loam is a mixture of clay, silt, and sand. 

• True
• False

What is the name of Horizon 2?

• Subsoil 

• Topsoil

• Bedrock 

• Parent Rock

What horizon is described in the picture?

• Horizon 1
• Horizon 2
• Horizon 3
• Horizon 4