US Environmental Protection Agency
Corals and Chemistry
After demonstrating the use of cabbage juice as a pH indicator, have your class experiment with their own breath, exhaling into the indicator, to show that carbon dioxide is acidic. As learners work, they also watch a video about coral...
CK-12 Foundation
Ck 12: Episd: Global Climate Change
[Free Registration/Login may be required to access all resource tools.] Recognize the harmful contributions of burning fossil fuels on the environment and understand the impact of the acidification of the earth's oceans.