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Science Investigation

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Tamia Reed

on 16 October 2012

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Transcript of Science Investigation

Introduction Alka-Seltzer is used for relief of upset stomach, heartburn, acid indigestion and headache. Alka-Seltzer is taken by mouth and then travels through the digestive system. When the Alka-Seltzer has reached the stomach it causes a reaction since acid is in our stomach. But what happens when Alka-Seltzer is mixed with different liquids? Question What liquids will cause a reaction when mixed with Alka-Seltzer? Materials and Equipment Alka-Seltzer tablets, Thermometer, Measuring cup, Masking tape , a teaspoon, Stopwatch, Boiling Hot Tap Water, Ice Cold Tap Water, Soda, Vinegar, Juice, drinking glass Procedure 1. Use the measuring cup to add 8 ounces of each liquid to the glass.
2. Add a piece of masking tape on the outside of the glass to mark the liquid level
3. Measure the temperature of the liquid once added to the glass
4. Measure how much time it takes before liquid causes the tablet to react
5. Repeat for each liquid Results Reaction Time (secs)
Boiling Hot Water: 19 secs
Ice Cold Water: 25 secs
Soda: 58 secs
Vinegar: 50 secs
Juice: 28 secs Discussion BOILING WATER: This liquid causeed a quicker reaction because of the boiling temperature. The Alka-Seltzer tablet sunk to the bottom of the glass and then floated to the top 12 seconds after the tablet was placed in the glass.
ICE WATER: This liquid’s reaction was quick but not as quick as the boiling water since the temperature was colder. The Alka-Seltzer tablet sunk to the bottom of the glass and then floated to the top a few seconds after the tablet was placed in the glass.
SODA: This liquid reaction wasn’t quick at all. I thought this liquid would cause a quicker reaction since it contains acid which would allow the tablet to fizz faster but it didn’t.
VINEGAR: This liquid reaction wasn’t quick. The Alka-Seltzer tablet sunk to the bottom and floated to the top. It wasn’t until after several seconds that the tablet started to dissolve
JUICE:This liquid reaction was quick. I used orange juice. Since oranges are naturally grown and contain a natural ingredient I thought that would make the tablet dissolve faster. Fizzy Wizzy
Tamia Reed
10/16/12
Period 5 Hypothesis Alka-Seltzer tablets will cause a quicker reaction when mixed with a liquid that contains some sort of acid or natural ingredients with a hot temperature. Alka-Seltzer is used for relief of upset stomach, heartburn, acid indigestion and headache. But what happens when Alka-Seltzer is mixed with different liquids. What happens when Alka-Seltzer is mixed with different liquid? How does the temperature affect the results? Which type of liquid will cause a quicker reaction? How long does it take for the Alka-Seltzer tablets to completely dissolve in the liquids? References Plop, Plop, Fizz Fast: The Effect of Temperature on Reaction Time
http://www.sciencebuddies.org/science-fair-projects/project_ideas/Chem_p027.shtml#procedure THE END
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