Forensics

Forensics

1. What is the definition of forensic science?

To Find Out Who Did The Crime

2. Name 5 jobs that would use forensics to investigate crime 

1.Forensic Medical Examiner

2.Forensic Engineer.

3.Forensic Accountant

4.Crime Scene Investigator

5.Crime Laboratory Analyst

Finger prints

Aim: To look at the different types of fingerprints.

Record the types of fingerprints from those in your group.

Name	Fingerprint 1 ( Thumb)	Fingerprint 2 (finger)
Nici	Loop	Arch
Libby	Loop	Loop
Abby	Loop	Loop

Hidden fingerprints:

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

1. Lifting and Gathering fingerprints.

Equipment:

1. Powder
2.   Desk 
3.   Brush
4. Magnifying glass
5. Card 

Method; 

1. Get A Peace Of Card  
2. Get Coco Powder Or Baby Powder   
3. Put You Finger On The Card  
4.   Put The Coco Powder Or Baby Powder On The Card
5. Use A Brush To Spread Out The Powder And Find You Print 
6. Get A Peace Of Tape And Put It Over The Print 
7. You Now Have You Finger Print    

What is that white powder

Aim: To learn about the makeup of different white powders.

There are  a number of different white powders in our everyday life. Some of these are harmful and others are not. Test the four white powders listed to see which one has been found at the airport.

Here are some examples of everyday kitchen white powders.

Flour

Cornflour

Sugar

Salt

Baking Soda

Baking Powder

Icing Sugar

Tartaric Acid

Citric Acid

Gluten Free flour

Materials

1.  
2.   
3.  
4.  
5.  
6.   
7. 

Upload a photo of each powder.

1.  Cornflour
2.  Baking Soda
3.  Salt
4. Sugar 

On the black cardboard using a microscope you need to record what you see. You will be given a small amount of 4 white powders on your cardboard. Look at them under your microscope and record what you see. 
Do not mix the powders or taste the powders.

Findings:

	Sugar	Salt	Baking Soda	Cornflour
Appearance	White powder.	White powder.	White powder.	Whit powder.
Texture	Rough.	Softish.	Soft.	Soft.
Smell	Nothing.	Bad.	Really good.	Like flour.
Iodine	Look's like coke.	Look's like pee.	Look's like ice-cream.	Just a blob.
Water	Does nothing.	Turn's into salt water.	Look's like a wart.	Turn's purple.
Vinegar	Turn's into lemonade.	Turn's into lemonade.	Fizzes.	Nothing happened.

Write a paragraph about your findings.

What This Tells Us Is That Salt And Sugar Work The Best.  Baking Soda Is The Worst. Cornflour Is In The Middle Of Ratings. Sugar Was White Powder I Could Smell Nothing When We Put The Iodine In It Looked Like Coke When We Put The Water In It Did Nothing And When We Put the Vinegar In It Turned Into Lemonade. Salt Is White Powder It Is Softish It Smells When We Put The Iodine In It Looked Like Pee When we Put The Water In It Turned Into Salt Water And When We Put The Vinegar It Turned into lemonade. Baking Soda White Powder It Was Soft It Smelt Really Good It, When We Put The Iodine In It Looked Like Ice Cream When We Put The Water In It Looked Like A Wart And When We Put The Vinegar In It Fizzed Up. Corn Flour Was White Powder Was Soft Smelt Like Flour When We Put The Iodine In It Just Stayed A Blob When We Put The Water In It Turned Purple When We Put The Vinegar In Nothing Happened.

Making Sherbet

Using the following recipe you need to make sherbet.

Sherbet recipe

Recipe: 

1tsp of powdered drink crystals (eg refresh)
1/4 tsp citric acid
1/4 tsp tartaric acid
1/4 tsp -baking soda.
Put all ingredients into a zip lock bag, stir, and enjoy.

Materials:

1.  

2.  

3.  

4.  

5.  

Findings:

Sherbet
Taste	Fizzy and foamy. A little sour but mainly sweet.
Colour	A very light pink.

Crazy Crystals

Aim: To learn about a saturated solution and how to make crystals

Borax Crystals

Materials

1) 2 teaspoons borax.

2) 1 cup of hot water.

3) 1 Paper.

4) 1 Spoon.

5) 1 Cup.

6) 3 Pipe Cleaners.

7)1 Peg.

Process

Step 1: Get 2 Teaspoons Of Borax And Add It To A Cup.

Step 2: Add A Cup Of Hot Water And Pore It into the cup with the borax in it.

Step 3: Mix The Borax And The Hot Water Until They Have Dissolved.

Step 4: Get 3 Pipe cleaners And Make Them To A Star.

Step 5: Get 1 Peg And Put The Star In The Borax and water.

Step 6: Leave it for 2 days.

Step 7: You Now Have Borax Crystals.

Sugar Crystals

Materials

1) 2 Teaspoons Of Sugar

2) 1 Cup Of Hot Water

3) 1 Brown Pipe Cleaner

4) 1 Peg

5) 1 Spoon

6) 1 cup

Process

Step 1: Get 2 Teaspoons Of Sugar And Add It To A Cup.

Step 2: Add 1 Cup Of Hot Water To The Cup With The Sugar.

Step 3: Mix The Sugar And and hot water until it has dissolved.

Step 4: Get 1  brown Pipe Cleaner And A Peg And Put The Pipe Cleaner In The Peg.

Step 5: Put The Pipe Cleaner In The Water With Sugar.

Step 6: Leave For 2 Days.

Step 7: You Now Have Sugar Crystals.

Salt Crystals

Materials

1) 2 Teaspoons Of Salt.

2) 1 Pipe Cleaner.

3) 1 Peg.

4) Hot Water.

5) 1 Spoon.

6) 1 Cup.

Process

Step 1: Get 2 Teaspoons Of Salt And Put It In A Cup.

Step 2: Add Hot Water it the cup with the salt in it.

Step 3: Mix The Water And Salt Until It Has Dissolved.

Step 4:  Put The Pipe Cleaner In A Peg.

Step 5: Put The Pipe Cleaner And Peg In The Cup.

Step 6: Leave For 2 Days.

Step 7: You Now Have Salt Crystals.

Findings

Describe your crystals in the table below.

Crystal Type	Shape (Describe the shape)	Size (of individual crystals)	Hardness (Crumbly to Rock Hard)
Borax	It is a star shape	tiny	hard
Sugar	Nothing	Nothing	Nothing
Salt	Nothing	Nothing	Nothing

What crystals worked out best and why?: