This lesson plan is for a 4th grade class on the solar system. It includes two 45-minute sessions. The objectives are for students to recognize vocabulary about the solar system, understand its structure, and identify the names and features of the planets. Activities include watching a video about the planets, students role-playing as different planets and assembling a solar system model. Students will complete worksheets matching planets to their features and ordering the planets from the Sun. Follow-up has students drawing and labeling their own planets.