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Science Fair Topic. By: Jhaley Rhodes 1 st period October 24,2011. My topic for the Texas Middle School 2011 Science Fair is: Do different types of carbonated soda have different types of pH?. Purpose Of Experiment:. To figure out if all sodas have the same types of carbonated pH.

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Science fair topic

Science Fair Topic

By: Jhaley Rhodes

1st period

October 24,2011


My topic for the Texas Middle School 2011 Science Fair is: Do different types of carbonated soda have different types of pH?


Purpose of experiment

Purpose Of Experiment: Do different types of carbonated soda have different types of pH?

To figure out if all sodas have the same types of carbonated pH.


Hypothesis

Hypothesis: Do different types of carbonated soda have different types of pH?

I think they all have the same types of carbonated pH.


Materials

Materials: Do different types of carbonated soda have different types of pH?


Expireiment

Expireiment Do different types of carbonated soda have different types of pH?:

While conducting this experiment, I first drank a portion of all the soda I had selected. They all had a acidy taste to them. While trying to test the pH, I tried to differ from the acidy taste. Some, were less than others. So I did some research. I seemed very lost there, so I looked on the back of each can, and saw that, on every can there were different percentages. So I then put each soda pop into a bottle, put on my safety goggles, and shook the bottle. Acid is normally really fizzy, so you should be able to differ from there. After I was done shaking, they all seemed to fizzle up less and more than others. They also settled down faster or slower than others.


Results

Results: Do different types of carbonated soda have different types of pH?

Sprite had a pH level of 3.29, Mountain Dew had a pH level of 3.27, Coca-Cola had a pH level of 2.52, Dr. Pepper had a pH level of 3.6, and Pepsi had a pH level of 2.61.


Conclusion

Conclusion: Do different types of carbonated soda have different types of pH?

Even though all sodas may look the same or taste the same, not all of the same things consist in them. My tested hypothesis goes to show that I however was incorrect. All sodas do not have the same pH level.


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