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Vitamin Science

based on 5 ratings
Author: Judee Shipman

Grade Level: 6th - 8th; Type: Nutritional Science

Objective: 

Measure the vitamin content in food samples. The goals of this project are:     

  1. To illustrate the ways in which vitamin content is measured.     
  2. To reveal surprising facts about nutrition.     

Research Questions:     

  • What quantity of vitamins do we need to stay healthy?     
  • What does each vitamin do?     
  • How is vitamin content measured?     
  • What happens if we don't get enough vitamins?     
  • What happens if we take too many vitamins?    

Vitamins are organic compounds that are required as nutrients for living organisms. Thirteen  vitamins are universally known today. These are called Vitamins A, B1, B2, B3, B5, B6, B7, B9, B12, C, D, E and K. Each one serves a different nutritional purpose. In this project you examine the effect of vitamins, and learn to test organic samples for vitamin content.

Materials:

  • Computer with Internet access     
  • Color printer     
  • Digital camera     
  • Typical office/hobby/hardware/craft supplies (paper, poster board, glue, etc.)     
  • Food samples such as fresh fruits, meats, grains and green vegetables     
  • Samples of other organic material such as soil, sand or stone (optional)     
  • All necessary materials can be found in or around your home, at local stores, or on ebay.

Experimental Procedure:     

  1. Read overview of relevant topics (see bibliography below and terms listed above)     
  2. Address all of the above terms and research questions.     
  3. Search and print out interesting images relevant to your topic.   
  4. Take photographs throughout the course of the experiment.     
  5. Test your food samples for Vitamin C content (see link #1 below).     
  6. Contact Lennetch (link #4 below). Find out how foods are tested for other vitamins.     
  7. Run some additional vitamin tests of your own. Just for fun, try testing organic materials we wouldn't normally eat, like rock, soil, sand or tree bark.     
  8. Carefully record all observations and measurements.   
  9. Analyze your data.     
  10. Interpret your findings in a detailed report.     
  11. Include interesting photos, diagrams, charts and models in your science fair display.  

Terms/Concepts: Ascorbic Acid; Folic Acid; Titration

References:  

 

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