Ducksters Soil Quiz

What is soil made of?

• Rocks

• Decayed Plants

• Minerals

• Decayed animals

• All of these

What important soil measurement determines how much water it can hold?

• temperature

• texture

• color

• consistency

• all of these

What is another name for the layers of soil?

• levels

• stories

• horizons

• blocks

• mantles

What is the solid mass of rock below soil called?

• organic

• topsoil

• subsoil

• parent materials

• bedrock

What layer is considered the 'B' layer of soil?

• Organic

• Topsoil

• Subsoil

• Parent Material

• Bedrock

What layer is the primary layer of soil where plants and animals live?

• Organic

• Topsoil

• Subsoil

• Parent Material

• Bedrock

What layer is also called the humus layer and is made up of plant remains like leaves and twigs?

• Organic

• Topsoil

• Subsoil

• Parent Material

• Bedrock

What layer is called the 'C' horizon and is mostly made of rocks?

• Organic

• Topsoil

• Subsoil

• Parent Material

• Bedrock

How does soil help in supporting life on Earth?

• It filters the water

• It helps recycle nutrients like carbon and nitrogen

• Many plants grow in soil

• Soil is home to living organisms such as bacteria

Soil can be over-farmed to where crops can no longer grow in it.

• True

• False