hidden fingerprints

Hurumanu - Fingerprints

Forensic Science

Definition: scientific tests or techniques used in connection with the detection of crime

5 Forensic Science topics;

1.  DNA
2.  clothes
3.  fingerprints
4.  footprints
5.  ballistics

    

Fingerprints

Aim: To look at the different types of fingerprints.

Materials: 

1.   Paper
2.   Ink pad
3.   Blonde 

Steps

1. The role your finger in the ink pad.
2. Put it off the blown.
3.   Blow it.
4. Have a look and record it.     

Insert two pictures here of your fingerprints

Ink prints

Thumbprint	Index fingerprint
loop	two loops

Questions:

Do people always have the same type of fingerprint on their thumb and index finger? yes as you can see the thumb and the index finger are the same.

What was the most common type of fingerprint in your group? the loops.

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

Equipment:

1.   plastic 
2.    brush
3.   finger
4.   white powder
5.  black paper  
6.  tape

Method: 

1. Put your finger on the piece of plastic.
2.   Get the brush and the white powder.
3.   Brush the white powder on to the plastic get slate and put it on the Fingerprint and take it off and put it on the black paper.

Lifted fingerprints

Conclusion Questions:

My fingerprint for the in one where both double loops. The loops looked long and there were lots of them. They are there all different sizes. 

For the lifted fingerprint I got to see my finger better. I could also see that my fingerprint is a double loop.