Hurumanu - 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

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 sections. 

Materials
1.  Cornflour
2.  Salt
3.  Baking soda
4.  Sugar 
5.  Vinegar
6.  Water 
7.  Iodine
8.  Cardboard

Steps1. Get some black card 
2. Fold it into 4 quarters
3. Write the materials
4. Put the different materials on the four corners
5. Make the materials into 3 thirds
6. Add the 3 different liquids   
7. Then take two photos

Conclusion:

For this experiment I have learn't to identify the different types of liquids and the powders and find out if there is reaction or not. 

Findings:
I found out that the iodine changed the cornflour purple

	Sugar	Salt	Baking Soda	Cornflour
Appearance	White	White	White	White
Texture	Medium	Small	Small	Small
Smell	No Smell	Salty	No smell	Floury
Iodine	Changes colour	Absorbs	Absorbs/Hardens	Slides
Water	Wet	Absorbs	Absorbs/Hardens	Slides
Vinegar	Wet	Fizzes/Hardens	Absorbs	Slides