Unit 11 WED and Soil 2023

Which type of soil contains the most nutrients

• soil with alot of decomposed organic material in it
• soil with alot of large rock fragments in it
• sandy soil that drains water easily
• soil that is light in color

_____________ is the process by which rocks are broken down into soil through alternating freezing and thawing

• frost action/ice wedging
• oxidation
• animal activity
• weak acids

_________ is an agent of chemical weathering

• acid precipitation
• animal activity
• ice wedging
• abrasion

Humus, silt, clay, and sand are the ingredients for _________

• soil
• rocks
• organic material
• minerals

The organic material in soil comes from ___________

• decayed plants and animals
• acid precipitation
• weathered parent rock
• the Gods

What happens to the rate at which rock material breaks down if it's in smaller pieces?

• It will weather faster
• it will weather more slowly
• size of the particles has no impact of rate of weathering
• it will not weather

What kind of weathering happens when wind blows sand against rocks?

• abrasion
• erosion
• oxidation
• chemical weathering

When oxygen in the air and in water reacts with iron, what kind of weathering happens?

• oxidation
• differential weathering
• abrasion
• weak acids

Tags

NGSS.MS-PS1-2

Which type of climate would have the fastest weathering?

• warm and humid
• cold and dry

Tags

NGSS.MS-ESS2-4

__________ is the movement of soil caused by wind, water, or gravity

• weathering
• erosion
• no-till farming
• deposition

Tags

NGSS.MS-ESS2-2