This document outlines a lesson plan on constellations for a science class. The lesson introduces students to constellations, with the learning objectives being to define what a constellation is, identify some key constellations, and understand the importance of constellations. Students will view videos or visit a planetarium to observe constellations, discuss what they are, and build models of constellations like Orion, Scorpion, Big Dipper and Southern Cross to study their patterns.