Soil

Which is the smallest soil particle?

• Sand

• Silt

• Clay

• Humus

Which is the largest soil particle?

• Sand

• Silt

• Clay

• Loam

The decayed remains of organisms that can be found in soil is called...

• Bedrock

• Minerals

• Humus

• Hummus, the chickpea spread (please don't pick this one)

The Soil Horizon that has the most parent material, or bedrock, is called the...

• O Horizon

• A Horizon

• B Horizon

• C Horizon

Soil is formed by two processes. They are... (pick 2)

• Weathering of bedrock

• Biological processes (like decomposing of plants)

• Intense heat and pressure

• Cementation

Tags

NGSS.MS-ESS2-2

Which of the following could contribute to soil erosion?

• Cutting down trees/ deforestation

• A very dry climate

• Having a steep slope

• All of these!

Tags

NGSS.MS-ESS3-4