M2 Chapter 8.1 Review

What is in soil?

• Inorganic material

• Organic material

• Air

• Water

• Microscopic organisms

What type of soil is the best for growing plants and farming?

• Clay

• Loam

• Sand

• Inorganic

What is another word for dark soil that is full of nutrients?

• Clay

• Sand

• Humus

• Bedrock

What is a different word for small clumps of soil?

• mini-clumps

• wads

• clods

• peds

What type of soil has spherical peds that are 1 to 10 mm in size?

• Granular

• Platy

• Blocky

• Prismatic

What soil structure describes sand?

• Massive

• Single grain

• Multi-grain

• Columnar

What type of soil can be described as loose, friable, or firm?

• Moist soil

• Wet soil

• Dry soil

• Clay soil

What do we call the layers of soil?

• Soil structure

• Soil consistency

• Soil profile

• Soil property

Which horizon has the most organic matter?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

Which horizon do we also call "bedrock"?

• Horizon A

• Horizon B

• Horizon R

• Horizon Z