What is that white powder.

MONDAY, MARCH 18, 2019

What is that white powder?

Today you will be a forensic chemist. 

A bag of white powder has been confiscated by the airport customs.  You need to find out what white powder it is?

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

You will be given a small amount of 4 white powders on your cardboard. On the black cardboard using a magnifying glass look at the powders.

Look at them under your magnifying glass and record what you see. 

These are the four powders we will be using. Upload a photo of each powder. 

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

Before you add the iodine, vinegar or water you will need to divide each powder into 3.

Materials
1. Citric Acid.
2. Icing Sugar.
3.  Baking. 
4. Raro.
5.  Ziplock Bag.

Steps
1. Get all the ingredients.
2. Get a piece of A4 paper
3. Cut it into 4 squares.
4. Write on the top of the piece of the names and what you put them in.
5. Put the ingredients on them, Sugar, Baking Soda, Salt, Cornflour.  you have to split them into 3 even groups
6. Put a little bit of the ingredients on the piece of paper.
7. See the result after the work is complete. 

Findings:

	Sugar	Salt	Baking Soda	Cornflour
Appearance	Colour.	Cool.	Course.	Bubbles.
Texture	Normal.	Soft.	Firm.	Crumbly.
Smell	Yummy.	Gross.	Weird.	Tasty.
Iodine	Changed.	Darker.	Colour.	Eaten
Water	Colours.	Dark.	Changed.	Saggy.
Vinegar	Spread.	Saggy.	Bubble.	Nothing.

Write a paragraph about your findings. It looks weird when it was changing but it looked alright, Tai and Josh were helping me it looked alright at the end.