Learn all about coral reefs and how coral plays a vital part in the lives of fish and people with this series of videos from the National Oceanic and Atmospheric Administration (NOAA). Use a selection or all nine videos with your students to help them understand how scientists are using new techniques to save coral, why this matters to them, and what steps they can take, no matter where they are, to help save coral everywhere. 

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tiny ocean animal, some of which secrete calcium carbonate to form reefs.

coral bleaching

loss of symbiotic algae (zooxanthellae) in corals, leading to a loss of pigmentation.

coral reef

rocky ocean features made up of millions of coral skeletons.


having to do with curative therapy (medicine).


substance used for treating illness or disease.


U.S. Department of Commerce agency whose mission is to "understand and predict changes in climate, weather, oceans, and coasts; to share that knowledge and information with others, and; to conserve and manage coastal and marine ecosystems and resources."

ocean acidification

decrease in the ocean's pH levels, caused primarily by increased carbon dioxide. Ocean acidification threatens corals and shellfish.