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The pH scale
Observations This image set depicts the topic of pH and how it can be beneficial and detrimental to nature.
Explanations Some animals tolerate broad changes in pH well while others do not. Human activities can create acid rain. Acid rain can change the pH of the environment and destroy entire ecosystems and habitats. For an ecosystem to function properly, its pH must be able to accommodate all of the organisms living in it.
California Standards Organism survival, growth and change of populations
National Standards Human impact
Related NSF Exemplary Curriculum Ecosystems
Investigating ecosystems
Understandings of consequence
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pH scale

Creative Commons License Creative Commons License
This work is licensed under a Creative Commons Attribution-Share Alike 2.5 License.

Olivia Worland
Biological Sciences, Purdue University


Biological Sciences, Purdue University
May 26 2008

Other Copyright Comments Each image in this set has its own level of creative commons/GNU license.



This material is based upon work that was supported by the National Science Foundation under Grant No. 0127164 to California State University Fullerton. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

VIDA: Video and Image Data Access