How many layers of soil are there?
5
What are the 5 layers of soil?
Humus
Topsoil
Subsoil
Parent Material
Bedrock
How many components of soil are there?
4
What is the broken down parts of plants and animals in soil?
Organic Matter
What type of soil does not hold water?
Sand
What layer has dead plants and animals in the top layer of soil?
Humus
This is a small rock found in soil and on beaches.
Sand
What animal comes out of the soil when it rains?
Earth worm
Why are insect and animal tunnels important for soil?
To bring in water and air for plant growth and healthy soil
What layer sits below the subsoil and is very hard rock?
Parent Material
What layer can you plant plants in?
Topsoil
Erosion is caused by what 3 factors?
Water, Wind, and Ice
What are the 5 types of soil?
Clay
Silt
Gravel
Loam
Sand
What is the order of the soil layers?
Humus
Topsoil
Subsoil
Parent Material
Bedrock
What are the components of soil?
rocks
air
water
organic matter
What are the 3 decomposers in soil?
worms, fungi, bacteria