Vocabulary: » Term: » Records: » ID: 638

Click image to see larger image	Lemons
Location	http://commons.wikimedia.org/wiki/Image:Lemon.jpg
Observations	Yellow lemons cut into sections.
Explanations	Baking soda can be used as an indicator of how much acid food contains. You can test lemon and lime juice, and you should find that lemons and limes tested with baking soda produce a lot of gas. Lemons and limes that are tested give off more gas than grapefruits and oranges that are tested.
California Standards	Organism survival
National Standards	Nutrition
Related NSF Exemplary Curriculum	Food and nutrition Human body systems Food chemistry Investigating human systems
Related Sets	Acid test
Creative Commons License	This work is licensed under a Creative Commons Attribution-Share Alike 2.5 License.
Authors	André Karwath None None
Publisher	None Feb 13 2005

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.