Vocabulary
Soil Layers & Profiles
Types of Sand
Soil Analysis
Decomposition & Gravesites
100

The loose material on Earth’s surface made of minerals, organic matter, water, and air is called _____.

What is soil?

100

The vertical arrangement of soil layers in a specific location is called a _____.

What is a soil profile?

100

Sand composed mostly of quartz, mica, and feldspar is called _____ sand.

What is continental sand?

100

Examining soil with the naked eye or simple tools is called _____ examination.

What is macroscopic examination?

100

The concentrated area of decomposition products around a buried body is called a _____.

What is a cadaver decomposition island (CDI)?

200

The dark organic material formed from decayed plants and animals in soil is called _____.

What is humus?

200

When a body is buried and soil layers are mixed, the _____ becomes disturbed.

What is the soil profile?

200

Dark-colored sand containing basalt or olivine from volcanic activity is called _____ sand.

What is volcanic sand?

200

Examining soil particles using microscopes is called _____ examination.

What is microscopic examination?  

200

Vegetation around a decomposing body may initially be _____.

What is killed?

300

The process in which wind and water break down rocks into smaller particles is called _____.

What is weathering?

300

Natural layers of soil that develop over time are called soil _____.

What are horizons?

300

Sand formed from the remains of marine organisms is called _____ sand.

What is skeletal (biogenic) sand?

300

A technique that identifies minerals by producing unique patterns using X-rays is called _____.

What is X-ray diffraction?

300

As decomposition continues, soil quality in the area tends to _____.

What is improve?

400

A soil particle smaller than sand but larger than clay is called _____.

What is silt?

400

Finding subsoil and rocks on the surface may indicate the soil has been _____.

What is disturbed?

400

Sand formed when minerals crystallize from evaporating water is called _____ sand.

What is precipitate sand?

400

Forensic scientists may analyze soil using chemical tests, physical tests, and _____ examination.

What is microscopic examination?

400

Gravesites are easier to detect when the sun is _____ and shadows are more visible.

What is low?

500

The scientific study of Earth’s rocks and structure is known as _____.

What is geology?

500

Investigators compare evidence soil to databases of _____ to help locate possible sites.

What are soil profiles?

500

Sand grains usually range from _____ mm to _____ mm in diameter.

What is 0.05 mm to 2 mm?

500

Soil evidence can link a suspect, victim, or object to the _____.

What is the crime scene?

500

Factors like soil pH, oxygen level, and soil moisture affect how a body _____.

What is decomposes?

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