Land and 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

What do we call the layers of soil?

• Deposits
• Horizons
• Minerals
• Rocks

The very top layer of soil is mostly made of

• Solid rock 
• Clay and mineral deposits
• A mixture of minerals and organic material
• Mostly organic material (humus)

Tags

NGSS.MS-LS2-3

_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.

• loam
• humus
• soil
• dirt

Tags

NGSS.MS-LS2-3

What is a soil problem all farmers face?

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

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which soil component makes up about 5% of an ideal loamy soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 45% of an ideal loamy soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 25% of an ideal loamy soil?

• Water

• Organic Matter

• Air

• Water & Air

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