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Plop, Plop, Fizz, Fast: The Effect of Temperature on Reactio
Transcript of Plop, Plop, Fizz, Fast: The Effect of Temperature on Reactio
What does the effect of temperature of water have on the reaction time of an Alka-Seltzer tablet disintegrating?
By making the temperature of the water a higher degree the Alka-Seltzer tablet will have a faster reaction time.
12 Tablets of Alka Seltzer
4 Cups of Hot Water
4 Cups of Room Temperature
4 Cups of Cold Water
Have the three cups set out on a flat surface next to each other, but not to close. Fill them up with water, one with hot, the second with room temperature, and the third with cold water. Make sure you remember what cup has what type of water in it in case you did them in a different order than listed above. Next, use the thermometer to measure the temperature of each set of water. Make sure to record the temperature onto your data chart. It is recommended that you have someone other than yourself manning the stopwatch to be sure you get the correct and accurate time. After you have someone ready with the stopwatch drop an Alka-Seltzer table into each cup, one at a time, and tell your partner to start the stopwatch. Once you notice bubbles softly and gently stir the water in each cup, one at a time. Once the Alka-Seltzer tablet has disintegrated completely tell your partner to stop the stopwatch. Record your reaction time. You are supposed to time the reaction time in each cup separately. Repeat this three more times for a total of four separate trials on each type of water. Lastly, find an average on each type of water.
The science fair project we chose to do is called Plop, Plop, Fizz, Fast: The Effect of Temperature on Reaction Time. For our hypothesis we stated that by making the temperature a higher degree the Alka-Seltzer tablet will have a faster reaction time. After doing four separate trials we came up with an average. These four trials and the average proved that our hypothesis was correct. The higher the degree of the water the faster the reaction time, the colder the water the slower the reaction time. This means the room temperature water had a reaction time that was in the middle of the reaction times of the cold and hot water. The average reaction time of the hot water is 22.2 seconds, the average reaction time of the cold water is a flat 53.0 seconds, and lastly the average reaction time of the room temperature water is 36.6 seconds. The improvement that we decided we would make to this experiment is the fact how easy it was to actually find the data. It was an enjoyable experiment, but we just figured that it would have been a little bit more challenging then it ended up being.