Soil Formation and Components

An Ideal Soil is made up of 5% of what material?

• Water
• Minerals
• Air
• Organic Matter

25% of an ideal soil is made up of what component?

• Rocks
• Organic Matter
• Air
• Minerals

Which soil particle is largest in size?

• Clay
• Sand
• rock
• silt

Which soil Horizon is also called "bedrock"?

• O Horizon
• A Horizon
• R Horizon
• C Horizon

Which soil horizon contains decomposed plants and animals?

• A Horizon
• O Horizon
• R Horizon
• B Horizon

Tags

NGSS.MS-ESS2-1

Which of the following is NOT a type of soil particle?

• Sand
• Silt
• rock
• Clay

45% of an ideal soil is made up of what component?

• Organic Matter
• air
• Minerals
• water

The Area between soil particles is called _________.

• pore spaces
• humus
• soil profile
• horizon

Which soil particle is smallest in size?

• Sand
• Silt
• Clay
• humus

Which soil horizon is generally called "subsoil"?

• O horizon
• A horizon
• B horizon
• R horizon