Soil formation, erosion and conservation

What are the 3 particles that make up mineral material? (SELECT 3)

• sand

• silt

• organisms

• humus

• clay

What is soil pH?

• A measure of the amount of organic matter in the soil

• A measure of the amount of water saturation in the soil

• A measure of the amount of acidity of a soil

Soil formation begins with the weathering of_______.

• Humas

• Subsoil

• Litter

• Bedock

Tags

NGSS.HS-ESS2-1

The layer of soil which the topsoil is found.

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

What is a soil problem all farmers face?

• soil hardening
• soil erosion
• soil spoiling
• soil pollution

Tags

NGSS.HS-LS2-7

Which soil horizon is contains decomposed plants and animals?

• A Horizon

• B Horizon

• C Horizon

• O Horizon

Tags

NGSS.MS-LS2-3

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?

• clay

• clay loam

• sandy loam

• silt

Soil sample that is 10% clay, 20% silt, and 70% sand has which texture?

• clay

• clay loam

• sandy loam

• silt

Tags

NGSS.MS-LS1-5

What soil conservation method refers to forming steps in a hill to prevent water erosion?

• windbreaks

• contour plowing

• terrace farming

• strip cropping

Tags

NGSS.HS-LS2-7

Soil is formed by the breaking down of rocks by the action of wind, water and climate. This process is called

• Humification

• Weathering

• Soil erosion

• None of the above

Tags

NGSS.MS-ESS2-2