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I See! Vitamin C!--Data Sheet for Part One

Name:_________________________________ Partner:__________________________
Period:__________       Date:_____________

Relative Vitamin C Content of Foods

      Number of Drops Needed to Change the Indicator
    Type of Juice         Trial 1         Trial 2         Trial 3         Average    
                                       
                                       
                                       
                                       

Convert the Data Table into a bar graph to compare the relative amount of Vitamin C in each sample tested.

Relative Vitamin C Content of Foods

                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           

Analysis

On your own paper, answer the following questions:
  1. Which type of orange juice was the best source of vitamin C? the worst source?
  2. Before this activity, which type of orange juice did you think would be the best source of vitamin C? Why?
  3. What are some of the factors that may have converted a good source of vitamin C into a poor one?
  4. Briefly explain how you know that the different orange juices didn't contain the same amount of vitamin C.
  5. How are vitamins involved in cell metabolism?
  6. What are some of the general functions of vitamin C in the body?
Part One   Part Two   Teacher Notes

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