7.2 Ocean Acidification

IB Environmental Systems & Societies: 7.2 Ocean Acidification

As this topic has become more prevalent in the news, more students have expressed an interest in investigating it experimentally. One student extended this topic into her Biology extended essay. For a simple introductory demo see:Place some universal indicator into some water. Have a student blow bubbles into the water through a straw. The solution should turn from green to red indicating a more acidic pH.

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