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Science Education | Climate

Ocean Acidification

Carly Carroll

Environmental Health Perspectives

Abstract Top

After reading the EHP news article In Hot Water: Global Warming Takes a Toll on Coral Reefs, students conduct experiments that simulate ocean acidification resulting from excess atmospheric carbon dioxide and discuss potential human implications of increases in ocean temperatures and acidification due to climate change.

Citation: Carroll C 2011. Ocean Acidification. Environ Health Perspect :-. http://dx.doi.org/10.1289/ehp.scied008a

Online: 16 February 2011

Reviewers: Banalata Sen, PhD., EHP

(Adapted from EHP Lesson The Buffer Zone: Acid-base Chemistry in the World's Oceans for grades 5–8)

Background Information Top

The oceans and human health are connected together: each affects the health and well-being of the other. Seventy percent of the Earth is covered by oceans, and they provide valuable biological and physical processes for the planet. Sixty percent of the human population live on or near the coast, meaning that a decline in the health of the oceans would affect human health. Similarly, human activities affect the health of the oceans. Oceans provide great health benefits for humans, including food resources, recreation, and resources for treating diseases. The degradation of coasts, changes in climate, and increased pollution can pose human health risks.

Overview

Grade Level: 5–8

Subjects Addressed: General Science, Chemistry, Environmental Science

Class Time: Part 1: 1 class period, Part 2: 2-3 class periods

Download the Lesson Top

Adobe Reader is required for viewing and printing the PDF lessons–Download Adobe Reader.

Teacher Lesson (1.6 MB) PDF.  – Teacher's Guide

Student Lesson (776 KB) PDF.  – Student's Guide and Worksheets

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