Forensic Science

Forensic Science

1. Write the definition of forensic science in your own words?

Scientific tests or techniques used in connection with the detection of crime.

https://en.oxforddictionaries.com/definition/forensic

2. What are the 5 different things that forensic scientists do?

• visit crime scenes to find evidence
• take notes and draw sketches of crime scenes
• analyse physical evidence such as fibres, glass, debris, firearms, bullets and marks made by tools or weapons

• identify drugs found on people, in body fluids or at crime scenes

• analyse biological evidence such as hair, blood and other body fluids

    Look at the "What you will do" section on the careers website.

Fingerprints

Aim: To look at the different types of fingerprints.

Materials: 

1.   Balloon 
2.  Inkpad 
3.   human finger or your finger 

Steps  

1. Get your finger  
2. Put it on an ink pad   
3.   Take it off.
4. Place it on the balloon for about 10 seconds index finger on one side let dry and the thumb on the other on. 
5.   blow up the balloon 
6. inspect your finger and document   

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 (Thumb)	Fingerprint 2 (index finger)
Nevaeh	Whorl	Whorl
Shreya	Whorl	Arch

Questions:

Do people always have the same type of fingerprint on their thumb and index finger?
No, because we are all different from each other.  


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

Hidden fingerprints:

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

1. Lifting and Gathering fingerprints.

Equipment:

1.   Powder 
2.   clear thin paper
3.   black cardboard 
4.   tape 
5.   your finger that does not have ink on it 
6. Makeup brush

Method: 

1. Get your thin pace of clear paper and put your finger on it 
2. wait one minute then release it from the paper 
3.   Get your powered and dip your brush lightly into the powder
4.  place your brush on the clear paper
5.  put your tape over your powder stick your fingerprint 
6. then place the tape over the black cardboard 
7. then you should have a fingerprint 

Conclusion Questions:

Did you manage to lift clear fingerprints?
Yes, I and Shreya lifted fingerprints. 

What could you do to improve your results next time?
Maybe we could add less powder on the fingerprints    

Why do you think fingerprints are useful to crime scene investigators?
because each and every fingerprint are different so it would help with who took anything.

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