Forensic Science

Forensic Science

Finger prints

Aim: To look at the different types of fingerprints.

Materials: 

1. Ink
2. Balloon
3. Group of 2-3

Steps

1. Get into a group of 2-3 people  
2. Get all your items that you need  
3. Put ink on your index finger but not to much
4. Place your finger on the balloon
5. Blow up the balloon and find out what your finger print is
6. blow down the balloon 

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)
Tasharn	Arch	Arch
Zoe	Whorl	Arch
Shane	Whorl	Whorl

Questions:

Do people always have the same type of fingerprint on their thumb and index finger?
No, people don't always have the same fingerprints.

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

Arch & Whorl, because there is the same amount of an Arch & Whorl in the group.

Hidden fingerprints:

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

1. Lifting and Gathering fingerprints.

Equipment:

1.   Plastic
2.   Tape
3.   Black Card
4.   Brush
5.   Baby Powder

Method: 

1. Place your finger on the plastic
2. Put your brush in your baby powder
3. Apply the powder on the brush to the plastic
4. Shake of the extra powder
5. Put the tape on top of the fingerprint until you can see it on the tape
6. You then put the tape on the black card 
7. You are then finished

Results:

I did manage to lift a fingerprint but not a clear one.

Not applying to much powder to the plastic.

I think it is helpful because they can scan it and then find out who did the crime.