Soil Quiz

Reorder the following Soil horizons from the Top to the Bottom.

• Parent Material

• sub soil

• Bedrock

• Organic Horizon

• Top Soil

Which layer of soil is on the bottom of a soil profile?

• topsoil

• subsoil

• bedrock

• humus

Humus is ---

• the dead parts of plants and animals in soil.

• A food we eat with pretzels.

• The tiny particles inside of soil.

• The roots that come off of a plant and live in soil.

Tags

NGSS.MS-LS2-3

What is the layer of soil just below the topsoil?

• bedrock

• subsoil

• topsoil

• humus

Horizontal layers of soil are called ---

• Soil profiles

• Soil horizons

Which of the following is the correct order of soil particles in order of increasing particle size?

• clay-sand-silt
• sand-clay-silt
• silt-clay-sand
• clay-silt-sand

This pie chart shows the soil composition in general. What's A?

• Minerals

• organic content

• humus

• water

Look again. What's B? Find all correct answers

• minerals

• organic content

• humus

• water

Tags

NGSS.MS-LS2-3

Which mineral has the largest particle in a soil?

• sand

• silt

• clay

What is a soil composition?

​ (a)   ​

• mineral, Water , Air , and Organic Material
• Manerials, Alr , Waters, Organic Matrial

Tags

NGSS.MS-LS2-3