The Volcano Unit Study is a comprehensive lesson plan for the classroom or homeschool. It is based on a cross-curricular approach to learning, covering topics such as geography, math, language arts, and science to name a few. Included in the Volcano Study is a suggested schedule of lessons, day by day instructions, lots of vibrant photos, games, and hands-on activities. The lessons culminate in a personalized, homemade Volcano Book. More than 40 pages of information!!