Soil Quiz

What layer of soil profile would be affected the most by weathering and erosion?

• A - Topsoil

• B - Subsoil

• C - weathered bedrock

• R - Bedrock

• O - Organic layer

Tags

NGSS.MS-ESS2-2

The most important factors in soil formation are Parent material, time, climate, organisms, and slope.

• True

• False

What layer of the soil profile is the O layer?

• Subsoil

• Organic

• Bedrock

• topsoil

On a hillside which of the following would have MORE erosion. 1) hillside with plants all throughout. 2) hillside with no plants or vegetation.

• 1

• 2

Texture refers to the proportions of different particle sizes. Order the three particles from largest size to smallest size.

• Sand, silt, clay

• clay, silt, sand

• silt, clay, sand

• silt, sand, clay

• S

Organic matter in soil is made from _________.

• weathered parent rock

• Decayed plants and animals

• acid rain

• HCl

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3