Formation of Soil

What is the main ingredient of soil?

• small pieces of metal

• small pieces of wood

• very small pieces of rock

• small pieces of glass

What is the name of the process of rocks being broken down into smaller pieces?

• weathering

• decomposition

• decay

• erosion

Which of the following is NOT a way that Physical Weathering occurs?

• wind

• water

• ice

• chemicals

Where do the nutrients in soil come from?

• dead plants and animals

• small pieces of rock

• water

• the sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

How do plants and animals help return nutrients to the soil?

• recycling

• weathering

• die and decay

• erosion

Tags

NGSS.MS-LS2-3

What is an ingredient in the soil that creates the different colors and textures?

• Air

• Weathering

• Water

• Minerals

Tags

NGSS.MS-ESS3-1

Which of these definitions correctly describes the meaning of erosion?

• the breaking of materials, such as rocks and soil 
• the movement of materials, such as rocks and soil
• the dropping off of rocks and soil in a new place
• huge sheets of moving ice

Tags

NGSS.MS-ESS2-2

Which of these definitions correctly describes the meaning of weathering?

• the breaking of materials, such as rocks and soil 
• the movement of materials, such as rocks and soil
• the dropping off of rocks and soil in a new place
• huge sheets of moving ice

Tags

NGSS.MS-ESS2-2

What three things cause most erosion?

• rain, snow, sleet
• weathering, erosion, deposition
• glaciers, moraines, valleys
• wind, ice, water

Tags

NGSS.MS-ESS2-2

Define humus.

• The decomposition or break down of dead plants and animals with the soil

• The decomposition or break down of plastic with the soil

• The decomposition or break down of dead plants only with the water

• The decomposition or break down of dirt with the soil

Tags

NGSS.MS-LS2-3