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.  paper 
2.  baking soda
3.  sugar
4.  pen
5.  magnifying glass
6.  corn flower
7. salt

Steps

1. get a paper.
2. get a pen
3. put the name of your material
4. wait for the teacher to put the thing that you need on your paper
5. get a magnifying glass.
6. Look at it and touch it and smell after you done that write your findings.

Findings:

	Sugar	Salt	Baking Soda	Cornflour
Appearance	bits	bits	Bits	bits
Texture	hard	hard	soft	soft
Smell	gross	gross	gross	gross
Iodine	gross	sour	gross	gross
Water	hard	hard	gross	gross
Vinegar	gross	gross	gross	gross

Write a paragraph about your findings.
The other ingredients was really gross and some of them are really hard. 
The vinegar was really gross because of the smell. The sugar is all good it's was a little bit hard when you touch it.

The salt smell so gross it's smell like a little bit of sour. The baking soda is all good it does not smell stink really stink. This is my findings about the work I did.

Making Sherbet

Once you have completed your blog and cleaned up all your equipment you can make sherbet.

Using the following recipe you can make sherbet.

Sherbet recipe

Recipe: 

1 tsp of powdered drink crystals (eg refresh)
1/4 tsp citric acid
1/2 tsp icing sugar
1/4 tsp -baking soda.
Put all ingredients into a zip lock bag, stir, and enjoy.

Materials:

1.  paper

2.  baking soda

3.  sugar

4.  salt 

5.  corn flour

Steps

1. get a paper.
2. get a pen

3. put the name of your material. wait for the teacher to put the thing that you need on your paper
5. get a magnifying glass.
6.  Look at it and touch it and smell it. after you done that write your findings.

Findings: it's really soft and gross.

Sherbet
Taste	Sour
Colour	pink