You can explore the Preparation of hydrogen peroxide using a photosensitizer such as riboflavin and redox chemical reactions for your chemistry IA. Hydrogen peroxide is a colorless liquid. A wide range of cleaning and personal care products use hydrogen peroxide. These are hair dyes and bleaches, toothpaste and mouthwashes, bathroom cleaners and laundry stain removers. Hydrogen peroxide is also present in first aid antiseptics.
You can read about other chemistry IA ideas here.