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Which Decaffeinated Tea Type Contains the Least Amount of Caffeine?
Grade Level: 6th to 9th; Type: Physical Science
This science fair project consists of an investigation of several tea types (black, green, oolong and white tea) that have been commercially decaffeinated for the presences of detectable traces of caffeine using a tannic acid assay.
Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.