Acidification of the Ocean

Understanding the Impact of Carbon Dioxide on the Formation of Coral Reefs

Animals of the coral reef need calcium carbonate to build their skeletons. In this activity, students compare the formation of coral reefs today when there is still an abundance of carbonate present in the ocean to bond with the calcium to coral reefs built in a possible future ocean where there is not enough carbonate available.  Calcium carbonate is the combination of two ions dissolved in sea water, Calcium which is Ca+2 and carbonate which is CO-2 to form CaCO3.

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