Ducksters Soil

What is soil made of?

• rocks

• decayed plants

• decayed animals

• all of the above

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

• temperature

• texture

• color

• consistency

What is another name for the layers of soil?

• levels

• stories

• horizons

• mantles

What is the solid mass of rock below the soil called?

• topsoil

• subsoil

• parent material

• bedrock

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

• organic

• topsoil

• subsoil

• parent material

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

• organic

• topsoil

• subsoil

• parent material

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

• organic

• topsoil

• subsoil

• parent material

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

• organic

• topsoil

• subsoil

• parent material

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 the soil.

• all of the above

True or False: Soil can be over-farmed to where crops can no longer grow in it.

• True

• False