Soil Unit Quiz

A chunk of soil is referred to as a...

• soil horizon

• Soil profile

• Composition layers

• Surface layer

A soil profile has layers that is referred to as...

• Soil horizons

• Soil Profile

• Composition layers

• Soil Layers

The arrow in the picture is pointing to what layer?

• Organic

• Surface

• Subsurface

• Substratum

• Bedrock

The arrow in the picture is pointing to what layer?

• organic

• surface

• subsurface

• substratum

• Bedrock

The arrow in this picture is pointing to what layer?

• Organic

• Substratum

• subsurface

• surface

• Bedrock

The arrow in the picture is pointing to what layer?

• Bedrock

• substratum

• Subsurface

• surface

• Organic

The arrow in the picture is pointing to what layer?

• Substratum

• surface

• subsurface

• bedrock

• organic

The time it takes water to travel from topsoil to the roots of a plant

• pH

• infiltration

• permeability

• porosity

nutrients are absorbed by plants easier in acidic environments

• Phosphorus

• Nitrogen

• Permeability

• pH

The space in between soil particles that allows essential nutrients to travel down to a plant's roots

• Compaction

• Porosity

• Nitrogen

• Potassium