Soil Assessment

Name

Which layer is not made up of soil? It consists of mass of rock such as granite, basalt, limestone, etc.

• Humus
• Bedrock
• Subsoil
• Topsoil

Which layer is also known as the organic layer? It is made up of living and decomposed material such as leaves, plants, and bugs.

• Humus
• Subsoil
• Topsoil
• Bedrock

Which layer is made of clay, iron, and organic matter?

• Humus
• Subsoil
• Topsoil
• Bedrock

Which is the top layer of soil?

• Humus
• Subsoil
• Topsoil
• Bedrock

Which is the bottom layer of soil?

• Humus
• Subsoil
• Topsoil
• Bedrock

Which is the primary layer where plants and organisms live?

• Humus
• Subsoil
• Topsoil
• Bedrock

Earthworms dig through the soil which loosens it so plants grow better.

• True
• False

Loam is the best soil for growing plants.

• True
• False

Soil is formed from the _____________ of rocks.

• Erosion
• Weathering
• Deposition