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Unformatted text preview: Potato Knife Eye Dropper Boiling Water 4 Saucers Hydrogen Peroxide (From the Drug Store) Procedure 1. Cut a potato into thin slices, about one inch squares. You will need four slices. 2. Put two pieces of the potato into boiling water for five minutes. 3. Prepare four dishes of room temperature tap water. Label them A, B, C, and D. Put the potato slices into the dishes as follows; A=fresh slice, B=boiled slice, C=fresh slice and D=boiled slice. 4. Into dishes C and D, add 30 drops of hydrogen peroxide. 5. Record your observations regarding bubbling for A, B, C, and D. Explain why bubbling occurred or did not occur in each dish. In each dish that did not bubble, what do you think was missing? In each dish that had bubbling, what was present that allowed for the bubbling to take place? What do you think might happen if the fresh potato slice was put into ice water before the hydrogen peroxide was added? Explain your answer....
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