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Environmental Pollution: The effect of carbon dioxide on plant growthFeatured science projectScience project video


  • 1 small bag of potting soil
  • 2 two-liter soda bottles with the tops cut off
  • 4 peat cups with seeds already germinated (just sprouted) in peat cups
  • 2 shallow dishes or paper cups cut in half
  • 30 g baking soda
  • 60 mL white vinegar
  • Scale
  • Graduated cylinder
  • Thermometer
  • Ruler

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    Complexity level:
    Project cost ($):
    Time required:
    Approximately 1 hour to complete initial set-up, with 15 to 30 minutes daily observation and discussion for five days.
    Material availability:
    Safety concerns: