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Mixing sugar, salt, and baking soda in water with a spoon.

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by

michael phillips

on 13 January 2014

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Transcript of Mixing sugar, salt, and baking soda in water with a spoon.

Dissolving sugar, salt, and baking soda in water with a spoon.
Hypothesis: If I stir salt, baking soda and sugar in water with a spoon, I believe that baking soda will dissolve the fastest.
Questions: How does salt, sugar and baking soda mix well with water.
Materials: The materials consist of salt, baking soda, sugar, a spoon, a cup of water, a glass cup, a stopwatch.

Procedure:
1. place the spoon in the glass cup
2. pour the cup of water into the glass cup
3. take a teaspoon of salt, baking soda, or sugar
4. dump the substance in the water while you start the stopwatch
5. grab the spoon and start stiring
6. keep stirring until you can only see water
7. dump the mix water and add the new fresh water
8. repeat steps 1-7 but adding another teaspoon of the substance
Data: the data collect is in average of each trial. Salt trial 1- 63.8 seconds, Salt trial 2- 67 seconds, Salt trial 3- 68.1 seconds, Salt trial 4- 65.7 seconds, baking soda trial 1- 53.7 seconds, baking soda trial 2- 69.9 seconds, baking soda trial 3- 54.3 seconds, baking soda trial 4- 53.9 seconds, sugar trial 1- 47.9 seconds, sugar trial 2- 47.3 seconds, sugar trial 3- 47.4 seconds, sugar trial 4- 48.2 seconds.

Sources:
http://en.wikipedia.org/wiki/Salt http://en.wikipedia.org/wiki/Sugar http://en.wikipedia.org/wiki/Sodium_bicarbonate http://en.wikipedia.org/wiki/Dissolution
Conclusion: The conclusion is that sugar dissolves fast in water then beaking soda and salt. The average of the averages for salt was 73.65 seconds, baking soda 57.95 seconds, sugar 47.7 seconds.
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