Module Six Lesson Two Notes Outline
Student Name:
Tyler Poole / Fall 2019
Introduction
5 pts
Write a brief (2-3 sentences) response to the two Discovery
Education videos describing how Pinellas County tracked down a serial killer using tire
prints.
They used tire identification to track down the serial killer. They also examined the types
of traed prints that were left behind.
Vocabulary
15 pts
Create your vocabulary review below for the following terms:
●
Dental stone-
Dental stones are impressions such as footwear or tire tracks may
be collected for lab analysis through dental stone casting. Dental stone casting
material emits heat while it hardens, as such it is typically not used for
impressions in snow.
●
Tire slots- Tire slots are across a tire.
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Tread wear indicator- Tread wear indicator is a raised bar under design, shows
after wear.
●
Tire track width- Tire track width measures from left tire center to right tire center.
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Tire impression- tire impressions are the thread design and dimensions of a tire.
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Tire grooves- tire grooves are the space between two adjacent tread ribs.
●
Electrostatic lifting- electrostatic lifting is a non-destructive process whereby an
electric field is developed on a sheet of lifting film which attracts dust particles to
the film. The device is capable of recovering dust impressions from a variety of
porous and non-porous surfaces. Dust impressions not visible to the naked eye
are often recovered with this device.
●
Turning diameter- turning diameter is the diameter of a circle made when wheels
are fully turned
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Tire tracks-
tire tracks are the related dimensions of the four wheels.
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Class characteristics- class characteristics are intentional or recurring
characteristics shared by one or more other objects in the group.
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Wheelbase- the wheelbase is the measure from the back tire center to front tire
center.
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Tire sipes- tire sipes are small grooves.
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Manufactured soils- manufactured soils are glass, paint, asphalt, brick fragments,
cinders.
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Natural soils- natural soils are rocks, minerals, vegetation, and animal matter.
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Wear pattern- wear patterns are dependent on the angle of footfall and wear
distribution.
●
Differential analysis- differential analysis are the soils that absorb and release
heat at different rates. These thermal properties are compared to the identity of
the soil.
●
Individual characteristics- individual characteristics are unintentional random, and
unique features of that object that distinguish it from other objects having the
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same class characteristics.
- Fall '19
