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Carbon dioxide and the acidification of our oceansFeatured science projectScience project video


The result show that increasing the level of carbon dioxide in the water-filled bottle will lower the pH of the water making it more acidic.

pH test results

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Complexity level:
Project cost ($):
Time required:
1 hour to prepare, 2 hours for experiment
Material availability:
Easily found
Safety concerns:
  1. Be careful not to inhale the smoke from the exhaust. If inhaled it can cause dizziness and carbon monoxide poisoning.
  2. Adult participation is required when working with the car.