 

 
| Students | Weronika Szymala Yuba Jim | 
| School | HWCD - Bishop Ryan Secondary School - Hamilton | 
| Level | Intermediate 9/10 - Grade 10 | 
| Group | Group 7 - Physics II | 
| Abstract | The purpose of our project is to build a simple spectrophotometer from a cell phone battery and use it to investigate how visible light is absorbed by differently colored solutions. |