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Fast Relief: Warm or Cold?
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Fast Relief: Warm or Cold?

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  • 1. Fast Relief: Warm or Cold?
    By Michelle Santoy 4th grade
  • 2. Many kids eat a combination of foods that give them stomach aches and they want something that will make them feel better fast.
    They can take an Alka-Seltzer. But what is the fastest way to make it work?
    Problem
  • 3. How does the temperature of the water affect how the Alka-Seltzer works?
    Question
  • 4. Warm water will make the Alka-Seltzer produce gas faster.
    Hypothesis
  • 5. 1. Alka-Seltzer
    2. Water
    3. Microwave
    4. Timer
    5. Paper
    6. Pencil
    7. Thermometer
    8. Camera
    9. Clear glasses
    Materials
  • 6. Get Alka-Seltzer
    Get Water
    Heat one glass of water for a little bit
    Fill glass with room temperature water
    Put a thermometer in each glass
    Add ice or heated water to make desired water temperature ( over 103 for hot or under 50 for cold)
    Write down temperature
    Put an Alka-Seltzer in glass and start timer
    Take a picture of the Alka-Seltzer producing gas
    Stop timer when the Alka-Seltzer stopped fizzing
    Write down the time
    Repeat steps 3 - 10 for different water temperatures
    Procedure
  • 7. Data
  • 8. Data—Observation
    Not fully dissolved
    Fully dissolved
  • 9. The warm water made the Alka-Seltzer dissolve in an average of 22 seconds, while in the cold water it took an average of 1 minute and 52 seconds for the tablet to dissolve.
    The tablet more fully dissolved in the glass of warm water than in the glass of cold water.
    Results
  • 10. My hypothesis that warm water will make the Alka-Seltzer produce gas faster was correct.
    If a person has a stomach ache, she should choose warm water to drink an Alka-Seltzer because it will make the tablet dissolve faster and more fully.
    Conclusion