Record the amount of product observed in each trial. Use the following symbols: +++ High amount of product (dark reaction solution)
++ Moderate amount of product (medium reaction solution)
+ Low amount of product (light reaction solution)

Enter and/or revise your hypothesis for the sample identity in the final column as you gather data (amylase, pepsin, thermophilic enzyme). When you have completed all of your tests, page ahead to present your conclusions.