T. Trimpe 2008 sciencespot
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T. Trimpe 2006 & Bertino - Mrs. Sikesmarysikes.weebly.com/uploads/6/0/5/0/60508559/1_fingerprint101.pdf · Fingerprint Principles According to criminal investigators, fingerprints
T. Trimpe 2009
Friction Ridges and Fingerprints. No two people have the same fingerprints Not even identical twins Demonstrates that fingerprints are the result.
Forensic Science T. Trimpe 2006 .
A Closer Look at Fingerprints Image from ftp:// T. Trimpe 2007
Forensic Science. Fingerprints A fingerprint is an impression of the pattern of ridges on the last joint of a person’s finger.
Fingerprint patterns. Fingerprints are unique Composed of friction ridges which give us better gripping ability (tire treads) Bifurcation – a single friction.
Fingerprints have been used since 1901 Fingerprints? DNA Fingerprints ! DNA Fingerprints since 1986.
1. Fingerprint Principles - forensikki.oufsd.wikispaces.netforensikki.oufsd.wikispaces.net/file/view/Fingerprints+Unit+Notes... · T. Trimpe 2006 Name: _____ 1. Fingerprint Principles
Adapted by T. Trimpe //sciencespot.net
Fingerprints. Structure (basics) Finger Pads –fleshy part of finger tip used for touching and gripping Grooves – narrow valleys between ridges Friction.
Challenge #4 T. Trimpe 2008
9 th Grade Forensic Science A Closer Look at Fingerprints Image from Courtesy of T. Trimpe.
T. Trimpe 2006
Classes of Fingerprints bsapp.com. Arches-No Deltas or Cores An arch is formed by ridges entering from one side of the print, rising slightly and exiting.
Fingerprints. What are Fingerprints? Fingerprints are impressions of the ridges of the fingertips deposited on a surface in sweat or oil. No people have.
Fingerprints. Background Information Each fingerprint is made up of friction ridges, that do not change over time (unless scarring occurs) Fingerprints.
