Final answer:
In the book Speak, the project teaches Melinda the importance of finding her voice and using art as a form of self-expression and healing.
Step-by-step explanation:
In the book Speak, the project ends up teaching Melinda several valuable lessons. One of the main lessons Melinda learns is the importance of finding her voice and speaking up for herself. Throughout the book, Melinda remains silent about a traumatic event she experienced, but through her project, she starts to find the courage to speak out and share her story. The project also teaches Melinda about the power of art as a form of self-expression and healing.