Soil & Horizons Review

What is found in the greatest percentage in soil?

• Minerals

• Atmosphere

• Water

• Organics

Which of the following contains the six essential elements for life?

• Carbon, Hydrogen, Oxygen, Nitrogen, Potassium, Sulfur

• Carbon, Hydrogen, Oxygen, Iron, Phosphorus, Sulfur

• Carbon, Helium, Oxygen, Nitrogen, Phosphorus, Sulfur

• Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur

Match the full name to the abbreviated letter:

Bedrock

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Layer R

Match the full name to the abbreviated letter:

Subsoil

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Layer R

What makes up 50% of soil?

• Organics & Atmosphere

• Minerals & Water

• Atmosphere & Water

• Minerals & Atmosphere

Which soil layer has tones of reds and yellow due to its mineral content? (Think about clay)

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Layer R

Match the full name to the abbreviated letter:

Topsoil

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Layer R

If you were looking at horizon B, what would you most likely find?

• Bedrock

• Earthworms

• Clay

What is found in the least percentage in soil? (WAMO)

• Atmosphere

• Organics

• Minerals

• Water

Which layer do we see the most biological activity?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Layer R