Soil Examination and Glass Evidence Test

He was one of the first forensic scientists to use soil evidence to solve a crime.

• Sir Arthur Conan Doyle

• Georg Popp

• Dr. Hans Gross

• Dr. Chris Sue

A type of soil texture with coarse particle size, loses water, and air circulates easily.

• Silt

• Clay

• Loam

• Sand

Which of the following soil layers/profile is dark, mixture of humus and minerals, and where plants sprout?

• Tapsoil

• Subsoil

• Sand and Silt

• Broken rock

What happen when a grave site is filled after a burial?

• The soil profile remains unchanged.

• The topsoil goes on top all the time.

• The soil profile is changed.

• The sand stays on top all the time.

It is the formation of sand based on the action of wind and water on rocks.

• Weathering

• Sublimation

• Decomposition

• Layering

Sand grains range in size from 0.05 mm to __________ in diameter.

• 1 mm

• 2 mm

• 3 mm

• 5 mm

A classification of sand where it does not contain clay and has fewer jagged edges.

• Young sand

• Old sand

• Mature sand

• Immature sand

A mineral which is light in color, opaque, and makes up about 60 percent of Earth's surface.

• Magnetite

• Quartz

• Mica

• Feldspar

A mineral which is opaque black or gray, and a form of iron oxide.

• Magnetite

• Quartz

• Mica

• Feldspar

A sand which is composed mostly of quartz, mica, feldspar, dark colored minerals like hornblende and magnetite.

• Volcanic sand

• Continental sand

• Skeletal sand

• Precipitate sand