What is Ocean Acidification?

What is Ocean Acidification?

Have you started hearing the term "ocean acidification"?  This unit will explain what ocean acidification means, so that you will be able to explain it to others!  It is split into two lessons.  Lesson one is a refresher about the pH scale, acids and bases.  Lesson two focuses on the chemical process of ocean acidification, and how the pH of the ocean is being lowered by an excess of carbon dioxide in the water.