Pourable Fire Extinguisher | Experimonkey | Cool science experiments for kids


  • A Drinking Glass
  • 15 mL Baking Soda
  • 175 mL Distilled Vinegar
  • A Tea Light Candle
  • A Match


  1. Place the drinking glass in the sink (this is about to get messy!) and scoop in the baking soda.

  2. Pour the vinegar into the glass and watch as CO2 gas starts to bubble up. Your glass may overflow a little––that's okay, just wait for the reaction to slow down a little before starting the next step.

  3. Place the tea light in a safe place, away from anything flammable, and ask an adult to light it for you with the match.

  4. Once the vinegar and baking soda reaction has calmed down a little, take the glass from the sink, being careful to hold it upright. The CO2 gas is in the cup, resting right above the liquid. "Pour" the gas (being careful not to pour out the liquid too) onto the tea light and watch as your scientific fire extinguisher puts out the flame.

Analysis and Conclusion

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During your lifetime, you will produce enough saliva to fill approximately two swimming pools.

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