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Project title Orange ripening and vitamin CFeatured science projectScience project video
Difficulty Level Middle school
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This science fair project was done to compare the vitamin C concentration in oranges during various stages of ripening. The testing was done by extracting the juice from an unripe orange, half-ripe orange and a fully ripe orange. 

Instructions preview
1. For this science fair project, the independent variable is the type of orange used – ripe, half ripe and unripe. The dependent variable is the number of iodine-starch drops required to neutralize the vitamin C in the juice, determined by dropping iodine-starch into the orange juice until the solution turns blue. The constants (control variables) are the amount of orange juice, the concentration of iodine and the temperature of the environment, which will remain at room temperature. 2. Label the 3 beakers as ripe, half ripe and unripe respectively. Use the juice extractor to extract the juice from .....
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