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.
2.
3.
4.
5.
6.
7.
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 | white | white | white |
Texture
| crystal are big | crystal are small | fluffy | super fluffy |
Smell
| sweetness | growth | sodium | corn |
Iodine
| wet changed colour to dark orange | dissolved | hardened | hardened and turned black |
Water
| got wet no change | no change | hardened | made oobleck its a hard goey liquid |
Vinegar
| wet no change | no change | it fizzed | it hardin and no change |
Write a paragraph about your findings.
when you add chemicals to different materials it creates staff.
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