Soil

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

• dirt
• water
• humus
• subsoil

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

• clay
• silt
• sand
• gravel

This type of soil is best for plant growth. 

• rock
• sand
• loam
• clay

Soil is the mixture of what four different materials?

• weathered rock (minerals)

• humus

• air

• water

Humus is:

• the part of soil made up of decayed parts of once-living things.

• a dip that is made of garbanzo beans.

• a bone that can be found in the upper arm.

• a sound people make when their lips are together.

What kind of soil is good for growing plants?

• topsoil

• sand

• clay

• a child's stinky shoe

Which layer of soil is on bottom?

• Topsoil
• Sand
• Bedrock

What is HUMUS made from?

• Chick-Peas

• The remains of decayed plants and animals

• Inorganic materials

• Rocks and Minerals

All soils begin with what process?

• Nutrients
• Subsoil
• Weathering
• Fertile

Which layer of soil are these roots growing in?

• subsoil
• topsoil