science

Forensic Science

Definition:

5 Forensic Science topics;

1.  DNA.
2.  Fingerprints.
3.  Ballistics.
4.  Footprints.
5. Clothes.

    

Finger prints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1.   Balloon.
2.   Ink pad.  
3. Fingers.

Steps:

1. Put your finger on the ink pad.

2. Put your finger on the balloon.

3. Blow the balloon up with your mouth.

4. Place your finger on the powder.

5.Lift the plastic.
6. Put tape on the fingerprint on the powder.

7.  Peal it off.

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)
Aisa	Whorl
Kelesi	Loop

Questions:

Do people always have the same type of fingerprint on their thumb and index finger?
What was the most common type of fingerprint in your group?

Dusting fingerprints:

Lifting fingerprints

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

1. Lifting and Gathering fingerprints.

Equipment:

1.   Plastic
2.   White prouder
3.   Brush

Method: 

1.   Put your fingerprint on the plastic.
2.   Put white powder on the plastic.
3.  Grab a brush and brush the powder off.
4.  Put tape on the plastic then take it off.
5. 
   

Results:

Lifted fingerprints

Thumb print	Index finger print

Conclusion Questions:
The kind of fingerprint have is a whorl. To improve my finger results next time is that i could probably make my fingerprint a little bit darker.  Secondly next time i do this experiment i could do my other finger and scan it.