Soil

Soil is made of

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

Tags

NGSS.MS-ESS2-1

Soil formation begins with the weathering of_______.

• Humas

• Subsoil

• Litter

• Bedock

Tags

NGSS.HS-ESS2-5

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-ESS2-5

NGSS.HS-ESS3-4

According to the settling tube experiment, which soil is the heaviest and fell to the bottom of the tube?

• clay
• humus
• sand
• silt

Which soil component makes up about 5% of a loamy soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 45% of a loamy soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 25% of a loamy soil?

• Water

• Organic Matter

• Air

• Water & Air

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