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

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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:

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Findings:

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