Vocabulary: » Term: » Records: » ID: 641

	Acid test
Observations	This image set depicts the components of the acid test.
Explanations	Baking soda can be used as an indicator of how much acid a substance contains. Lemons and limes have more acid in them than grapefruits and oranges. Indophenol can be used as an indicator of how much vitamin C is in a substance.
California Standards	Organism survival
National Standards	Nutrition
Related NSF Exemplary Curriculum	Food and nutrition Human body systems Food chemistry Investigating human systems
Related Records	Lemons Grapefruits Vitamin C tablets Vinegar and baking soda
Creative Commons License	This work is licensed under a Creative Commons Attribution-Share Alike 2.5 License.
Authors	Olivia Worland oworland@purdue.edu Biological Sciences, Purdue University
Publisher	Biological Sciences, Purdue University oworland@purdue.edu Jun 06 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.