Earth's Structures part 2

Soil formation begins with the weathering of _______?

• Humus

• Subsoil

• Litter

• Rock

Tags

NGSS.MS-ESS2-2

Decayed organic material in soil is called ______?

• Litter

• Silt

• Humus

• Clay

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The movement of rocks and weathered materials is called _______?

• Chemistry

• Physical

• Weathering

• Erosion

Soil conservation includes all of the following EXCEPT ______?

• Desertification

• Contour plowing

• Terracing

• Crop rotation

Tags

NGSS.MS-LS2-5

Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made the topsoil feel gritty?

• Clay

• Sand

• Silt

• Humus

What processes contribute to soil formation?

• Temperature and pressure

• Compaction and Cementation

• Heating and Cooling

• Weathering and Erosion

Tags

NGSS.MS-ESS2-4

How is humus formed?

• weathering and erosion

• decomposition of organisms

• in the lab

• Chickpeas, seasoning, and water. Serve with pita or crackers.

Layers of soil are also known as:

• Soil levels

• Soil Horizons

• Soil sheets

• Soil cores

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

• windbreaks

• contour plowing

• terrace farming

• strip cropping

Which type of rock results from melting and cooling of magma?

• Igneous

• Metamorphic

• Sedimentary

• Extrusive