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Mortar & Pestle, 30mL


Product Description

 This kit includes: A mortar and pestle

Experiment - Alka-Seltzer Experiment


  • 2 Clear glasses
  • 2 Alka-Seltzer tablets (preferably original formula effervescent)
  • Mortar and pestle
  • Clock with seconds hand


What to do:


Break the experiment into two sections:


A. Whole Tablet

  • Fill a clear glass with exactly 8 oz. of room temperature or lukewarm water.
  • Drop 1 whole Alka-Seltzer tablet into the water.
  • Measure and record the time to completely dissolve.


B. Powdered Tablet 

  • Place 1 Alka-Seltzer tablet into mortar and grind to a fine powder with the pestle.
  • Move the powder into the clear glass. (Note: It's important to have the powder in the glass before adding water.)
  • Add 8 oz. of water to the glass.
  • Measure and record the time to dissolve.

Product Reviews

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  1. Perfect size 5 Star Review

    Posted by on Sep 9th 2016

    We need to crush Alka Seltzer for a Physics lab, and these are the absolute perfect size. Not too big. Easy to store. And good quality. The price is also the "perfect size".