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Tuesday, March 26, 2019

Forensics - finger print


Forensics
Image result for forensics
http://sciencing.com/list-forensics-techniques-6392795.html

1. What is the definition of forensic science?
Relating to or denoting the application of scientific methods and techniques to the investigation of crime.

2. Name 5 different kinds of activities used in forensic sciences and find a picture for each.
  • Chemist
  • Investigator
  • Documents examiner
  • Science technician
  • Photographer


3. Name 5 jobs that would use forensics to investigate crime
  • D.N.A
  • Finger prints
  • Footprint
  • Ballistics
  • White powder test

Finger prints

Aim: To look at the different types of fingerprints.

Material:

  1. Balloon   
  2. Ink   pad
  3. Magnifying glass

  4.  
  5.  
  6.  

Steps

  1.  Get a balloon
  2.  Get a ink pad
  3. Put your thumb on the ink pad  
  4.  Place your thumb onto the ballon
  5.  Do the same with another finger (any finger)
  6.   Inflate the balloon
  7.  Then see what type of fingerprint you have


Image result for fingerprint types

Record the types of fingerprints from those in your group.

Name
Fingerprint 1 ( Thumb)
Fingerprint 2 (finger)
Taesha
Loop
Whorl
Kyla
Loop
Loop


Summary of findings:
Thumb - we both  had a loop fingerprint
finger - kyla had a loop fingerprint and I had a whorl .
Hidden fingerprints:

Aim: To learn how to lift hidden fingerprints from an object.

1. Lifting and Gathering fingerprints.

Equipment:
  1. Brush
  2.  White powder
  3.  Cardboard
  4.  Tape  
Method:

  1. You get a bit of cardboard
  2. Put your finger on it
  3. you get your powder and brush  
  4. You tip a bit of the white powder on
  5. Then you use your push to see your fingerprint
  6. Use sellotape and place it on the fingerprint
  7. Lift the sellotape up and then your done.

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