Hurumanu - Fingerprints

Hurumanu - Fingerprints

Forensic Science

Definition: 

the application of scientific methods and techniques to matters under investigation by a court of law.

5 Forensic Science topics;

1.  fingerprints
2.  footprint
3.  blood 
4.  clothes 
5. balistics

    

Fingerprints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1. fingers   
2. ink pad
3. balloon

Steps

1. Roll your finger on the ink pad.
2. Put your finger gently on the balloon.
3.    Blow up the balloon.
4.   Find out what fingerprints you have. 

Insert two pictures here of your fingerprints

Ink prints

Thumb print	Index finger print

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)
Ty	loop	arch
Cody	loop	loop
me	loop	arch

Questions:

Do people always have the same type of fingerprint on their thumb and index finger?
no
What was the most common type of fingerprint in your group?
loop

Dusting fingerprints:

Lifting fingerprints

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

1. Lifting and Gathering fingerprints.

Equipment:

1.   baby powder
2.   clear plastic or glad wrap
3.   makeup brush 
4.   tape
5.   black paper

Method: 

1. Put your finger on the plastic or glad wrap.
2. Lightly dip the makeup brush in the baby powder.
3. brush the plastic or glad wrap until you see the fingerprint.

Results:

Lifted fingerprints

Thumb print	Index fingerprint
file not found	file not found

Conclusion Questions:

What could you do to improve your results next time?

use paper

Why do you think fingerprints are useful to crime scene investigators?
they help find crimanals