Done By Group : KHA_Gama8 School Name : Khalifa Independent Secondary School for Boys. Biodegradable Materials: is a substance that degrades into smaller nontoxic parts that are returned to the environment and may be reused by organisms. there are so many applications around us for Biodegradable materials like : Surgical Sutures , Plastic bag . our Idea:Biodegradable fish feeding controller There are so many people around the world like to pet colored fish, but sometimes if you have to travel for a few days it will be a problem,we did Activity with AlBairaq “Measuring the degradation rates of biodegradable materials” and we got the idea of putting the fish food in a biodegradable material(we use gelatin capsule as an example), as we can control the degradation rate of The material and control.