Soil Examination

Soils are mixtures of materials formed from weathered rocks, water, air, and decomposing organisms.

• True

• False

Tags

NGSS.MS-ESS2-1

What are the 3 main types of soil textures? Mark all that apply.

• Sand

• Silt

• Clay

• Mud

• Peat

Which of the following is the finest of all soil textures?

• Clay

• Sand

• Silt

• Loam

Which descriptions below would most likely indicate the presence of a recent gravesite?

• soil level raised, increased plant life

• soil level lowered, increased plant life

• soil level lowered, no plant life on surface

• soil level raised, no plant life on surface

Sand, silt, or clay that is deposited by wind or water is called ___.

• humus

• sediment

• loam

• soil profile

Soil properties such as rock content, soil texture, oxygen levels, ________ and ______ will have an affect on the buried decomposing body.

• burial depth and water content

• color and soil pH

• soil color and texture

• carbon dioxide level and soil texture

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

X-ray diffraction of soil is used to determine its mineral and chemical compostion

• True

• False

Tags

NGSS.MS-ESS3-1

What is the primary component of soil that affects its ability to retain water?

• Sand

• Silt

• Clay

• Gravel

Which soil property is most important for supporting plant growth?

• Color

• Texture

• pH

• Temperature

What is the process called when soil is formed from the breakdown of rocks?

• Erosion

• Weathering

• Sedimentation

• Compaction