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.  Sugar
2.  Salt
3.  Baking Soda
4.  Cornflour
5.  Pipette 
6.   Vinegar
7. magnifying glass

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	White Powder
Texture	Rough	Softish	Soft	Soft
Smell	Sweet	Bad	Really Good	Like Flour
Iodine	Looks Like Coke	Looks Like Pee	Looks Like Ice Cream	Just A Blob
Water	Does Nothing	Turns Into Salt Water	Looks Like A Wart	Turns Purple
Vinegar	Turns Into Lemonade	Turns Into Lemonade	Fizzes	Nothing Happened

Write a paragraph about your findings.

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
Colour

Conclusion

I hope you enjoyed it.