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Purpose:
To observe the effects of adding organic and inorganic catalysts to hydrogen peroxide.
Summary:
Students will observe the reactivity of hydrogen peroxide when the following items are added: manganese dioxide, raw liver, raw potato, cooked liver, and cooked potato. Using this information, they will try to develop an explanation for the observed reactions.
Objectives Links:
5. A: Photosynthesis and Cellular Respiration
5. B: Matter and Energy Cycles
Process Skills Checklist
Materials:
- beakers or disposable tongs
- H2O2
- raw liver and potato
- cooked liver and potato
- manganese dioxide
- tweezers
- thermometer
- pH paper
- wooden splints
Safety Concerns:
Do not eat or drink. Use caution with manganese dioxide.
Revision Date:
Summer 2005
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