Soil and Agriculture Test

In which of these horizons is most of the HUMUS?

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

Tags

NGSS.MS-LS2-3

Which horizon is made up of partially weathered rocks?

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

Name the soil component labelled B.

• Mineral Matter

• Organic Matter

• Water

• Air

A soil with 60% clay, 20% silt and 20% sand is...

• Clay

• Clay loam

• Silty clay loam

• Sandy clay loam

What are the 4 characteristics of soil?

• color, texture, structure, pH

• color, clumpiness, structure, acidity

• texture, dampness, color, density

• parent material, time, geography, pH

Natural forces breaking down rocks.

• weathering

• humus

• soil horizon

• soil profile

Tags

NGSS.MS-ESS2-2

Chemical weathering ______.

• does not change the mineral composition of rocks.

• changes the mineral composition of rocks.

• has no effect on rocks.

These 4 materials make up soil.

• plant roots, iron oxides, acids, dirt

• rock particles, limestone, nitrogen, air

• rock particles, humus, water, air

All of these are soil conservation methods except

• no-till farming.

• contour plowing.

• building terraces.

• monocropping.

Tags

NGSS.MS-LS2-5

This can be caused by low rainfall or over-irrigation:

• persistent pesticide

• pheromone

• desertification

• salinization

Tags

NGSS.MS-LS2-5