Balloons Science

Forensic Science

Definition:

Relating to or denoting the application of scientific methods and techniques to the investigation of crime.

5 Forensic Science topics;

1.  DNA
2.  Finger Prints
3.  Hair
4.  Clothes 
5. Foot Prints 

    

Finger prints

Fingerprint characteristics

Aim: To look at the different types of fingerprints.

Materials: 

1.  Balloons  
2.  Ink Pads
3.  Fingers 

Steps

  

  

1.  Roll your finger on the Ink pad  
2.  Then roll you finger on the Balloon but don't do it really hard  
3. Then blow up the Balloon  
4. Look at the balloon and see what type of finger print you have  
5.   

Insert two pictures here of your fingerprints

Ink prints

Thumb print	Index finger print

Conclusion:
Me and my partner Khaylanie did well today on our experiment. It was really cool to find out what type of fingerprint we have. 

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)
Khaylanie	Arch	Arch
Janel	Loop	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 powder
3.   Fine Brush
4.   
5.   
6.  

Method: 

1.  Get the plastic then put your finger print on it
2.  Then get the brush then brush the plastic with a little bit of white powder
3.  After that, put a black paper underneath 

Results:

Lifted fingerprints

Thumb print	Index finger print
You can't really see it.

Conclusion Questions:

What could you do to improve your results next time?

The thing that I think I have to improve next time is doing things the right way so that I can get a better result.

Why do you think fingerprints are useful to crime scene investigators?
So that they can Identify the person .