Soil

Soil formation begins with the weathering of

• litter

• humus

• bedrock

• the A horizon

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

You would probably find the most decomposers in the soil layer called

• topsoil

• loam

• litter

• bedrock

Tags

NGSS.MS-LS2-3

Select the definition of soil

• layers of soil with distinct physical properties in a soil profile

• mixture of weathered rock, organic material, water, and air

• decomposed organic matter

• vertical section showing the soil horizons

Are there minerals in soil?

• Yes
• No

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Which of the following best describes soil erosion?

• A.  the breakdown of soil 
• A.  the improvement of soil
• A.  the addition of soil
• A.  the movement of soil by wind or water

Tags

NGSS.4-ESS2-1

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

A single layer of soil is called a _______________.

• profile

• horizon

• row

• column

All of the layers of soil together can be called a _________.

• profile

• horizon

• row

• layer

This term describes decayed organic matter such as dead plants and animals

• topsoil

• subsoil

• humus

• soil

Tags

NGSS.MS-LS2-3

Which horizon is also called "topsoil"?

• Horizon O

• Horizon A

• Horizon B

• Horizon C