- This lesson plan is for a 4th grade sea project unit and focuses on the story "The Rainbow Fish". It has two sessions. - In session 1, students will use a mystery box to guess the story, listen to the story being read and receive sparkling scales, discuss the characters' feelings, create alternative endings, and sequence story events and pictures. - Session 2 has students put sentences in order to summarize the story, describe a sea animal for others to guess and record it, and listen to a song to finish.