Soil

Which horizon contains bedrock?

• R

• C

• B

• A

Which layer of soil has low organic material and has clay in the form of aluminum and iron compounds?

• Topsoil

• Bedrock

• Subsoil

Draw a Soil Profile

Tags

NGSS.MS-LS2-3

Which soil component has the least capacity for holding water?

• silt
• clay
• sand
• humus

What is soil?

• Weathering forms the rocks and minerals

• A mixture of rock, mineral particles and organic matter.

• The layers in the soil profile used to classify soil types.

• Organic material in soil comes from living things such as plant and animal remains

What is a soil profile?

• Weathering forms the rocks and minerals

• A mixture of rock, mineral particles and organic matter.

• The layers in the soil profile used to classify soil types.

• Is a vertical cross section of soil.

The second layer is called ________

• topsoil

• bedrock

• subsoil

• soil profile

Soil is made of ---

• weathered rocks and minerals.

• dead plants and animals.

• air and water.

• all of the above

Tags

NGSS.MS-ESS2-2

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 common name for Horizon A?

• bedrock

• topsoil

• subsoil