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Plop Plop Fizz Fizz

Plop Plop Fizz Fizz. By Lindsay Pembleton. Abstract. Plop Plop Fizz Fizz

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Plop Plop Fizz Fizz

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  1. Plop Plop Fizz Fizz By Lindsay Pembleton

  2. Abstract Plop Plop Fizz Fizz The purpose of this project was to study the effect of temperature on the rate of a chemical reaction. The experiment involved dropping an Alka Seltzer tablet in 3 different temperature waters and observing the reaction and measuring the reaction time. My observations supported my hypothesis that the tablet would dissolve quicker in the hot water rather than in the room temperature or cold water.

  3. Planning Materials • Alka Seltzer Tablets • Thermometer • Glass cup – 12 ounce • Measuring cup • Stopwatch • Hot, Ice, and Room Temperature Water • Tape • A helper to press the stopwatch

  4. Planning (continued) Procedure • Gather materials. • Use the measuring cup to add 8 ounces of ice water to the glass. Record the temperature. • Mark the water level with a piece of tape, the tape will now show where to fill the glass for each trial. • Get the stopwatch and have your helper press the start button as you drop an Alka Seltzer tablet into the water. Wait until nothing appears to be happening and stop the stopwatch.

  5. Planning ( continued) Procedure ( continued) • Record how long the chemical reaction took to complete, and what happened. • Repeat steps 2, 4, and 5 for the room temperature water and hot water • Place the tablets in 3 different temperature water 4 times and record the results all times to make results accurate. • Put all data recorded on the reaction time on a graph. • Bullet other information such as what happened.

  6. Data

  7. Data (Continued) • In the hot water the process was very fast. The tablet fizzed rapidly at the top. The water bubbled and some flew out of the glass. Results were consistent. • In the ice water the process was very slow. The tablet fizzed at the bottom and floated to the top when the reaction was almost completed. The water bubbled but not as fast. Results were consistent. • In the room temperature water the tablet also fizzed at the bottom and floated to the top but was quicker than the ice water. The water became foggy and was hard to see. Results were consistent.

  8. What I’ve Learned I learned a lot during my experiment. Here are some of the information I learned during this procedure. • A solute will dissolve quicker in a hot solvent rather than a cold solvent. • There is a more significant difference between the reaction times of ice and room temperature water than the difference of reaction times between hot and room temperature water. • The chemical reaction completed regardless of the temperature of the water.

  9. Sources . "Science Buddies." . 25 Feb. 2010. . 15 Mar. 2010 <http://www.sciencebuddies.org/science-fair-projects/project_ideas/Chem_p027.shtml>.

  10. Acknowledgements I would like to thank my family who assisted me with this project; my mother, who was my helper in pressing the stopwatch. I would also like to thank my mother and father in helping me put the project together, my brother and sister for helping me observe the results and work on my board.

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