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Monday, March 25, 2019

Weird 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.

Materials

1.  Black paper
2.  Magnifying glass
3.  Pencil
4.  Ruler
5.  Baking Soda
6.  Sugar
7.  Salt
8. Iodine
9. Water
10. Vinegar
Steps

1.   Get your black piece of paper and draw for even squares with the help of a pencil and a ruler.
2.  In each of the squares write down, Cornflour, Salt, Sugar, and Baking soda
3. In the 'Cornflour' square put Cornflour in.
4. In the 'Salt' square put Salt in and so on.
5. After the ingredients are in their correct squares get out some Water, Iodine (Be careful Iodine can stain), and Vinegar.
6. Split your Salt, Sugar, Cornflour and, Baking Soda into 3 groups.
7. In one of the piles add Water. Eg;  3 piles for each of the liquid. 



Findings:





Sugar
Salt
Baking Soda
Cornflour
Appearance
Bigger than salt
Cubic
Cubic
Small
Soft
Fluffy
Flat cloud
Snow
Texture
GrainyGrainy SoftCloud
Smell
SweetSaltyWeirdNothing
Iodine
Wet sugarWet salt OobleckOobleck
Water
Wet sugarWet saltOobleckOobleck
Vinegar
Wet sugarWet saltOobleckOobleck
Screenshot 2019-03-21 at 13.05.51.png








Write a paragraph about your findings.



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 ziplock bag, stir, and enjoy.

Materials:

1.  Citric Acid
2.  Icing Sugar
3.  Baking Soda
4.  Powdered drink crystals (eg refresh)
5.  Ziplock bag

Steps

1. Grab a ziplock bag
2. Grab the following ingredients:  Citric Acid, Icing Sugar, Baking Soda, and Powdered drink crystals.
3. Pour  the ingredients in the ziplock bag
4.  Shake until fully mixed!


Findings:


Sherbet

Taste
Sour, Tangy, Bubbly, 
Colour
Pinky-Purple

Conclusion

Both of these experiments were really fun! Making sherbet for Science? Dream come true! Because of the baking soda, the sherbet would bubble on your tongue. It was an icky feeling!

The white powders were different from each other. They all had a different reaction in one way or another. Some turned water and some turned into oobleck! I liked doing this experiment because of the different reactions!

1 comment:

  1. Hi Shreya!

    Nice job on this post so far. You are just missing one part where you are to summarize your findings from the table about the 4 white powders into a paragraph! Please have another look at this part.

    - Miss Birtch

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