Soil

Identify something that is not a soil component

• Oxygen

• water

• Minerals

• Earthworms

• acids

Weathering is_________________

• Breaking of segments

• Breaking of soil

• Breaking of crust

• None

Humus and soil minerals are one and the same

• True

• False

Which of the following will not be involved in humus formation

• Clay

• Dead leaves

• animal waste

• micro-organisms

Tags

NGSS.MS-LS2-3

Identify this process

• humification

• leaching

• sedimentation

• None

Tags

NGSS.MS-ESS2-4

Identify the mineral matter with highest porosity

• Clay

• Sand

• Silt

Ideal pH of soil is_____

• 6-7

• 5.5 -8.5

• 7

• None

Clayey soil is best suited for agriculture

• True

• False

Nitrogen is a major soil nutrient that participates in

• root formation

• formation of minerals

• formation of amino acids

• None

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Freeze thaw weathering is ________________

• physical weathering

• Biological weathering

• Chemical weathering

• None