forensic science

Forensic Science

Definition:

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

5 Forensic Science topics;

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

    

Finger prints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1. fingers  
2. balloon  
3. ink pad  

Steps

1 put finger on Ink pad 

2 put fingerprint on Balloon

3 do the same for the index finger

4 see what type of finger print it is 

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)
Jamie	Loop	Loop

conclusion:

my fingerprints were the same on my index and my thumb.

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: black powder

Lifting fingerprints clear tape

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

1. Lifting and Gathering fingerprints.

Equipment:

1. Tape 
2. Card
3.  Powder
4. Plastic sheet  

Method: 

1. Get the plastic sheet.
2. Put your finger print on the sheet.
3. Put the powder on the sheet.
4.  Put tape over the fingerprint.
5.   Peel the tape off the sheet.
6. Put the tape on the card. 
7. Take a picture. 
8. Done.

Results:

Lifted fingerprints

Thumb print	Index finger print

Conclusion Questions:

What could you do to improve your results next time?

Why do you think fingerprints are useful to crime scene investigators?

too find out Who the person was that commited the crime.