Encourage students to create their own learning portfolios with the Mark Twain Interactive Notebook: Physical Science for fifth to eighth grades. This interactive notebook includes 29 lessons in these three units of study:-matter-forces and motion-energy. This personalized resource helps students review and study for tests. Mark Twain Media Publishing Company specializes in providing engaging supplemental books and decorative resources to complement middle- and upper-grade classrooms. Designed by leading educators, this product line covers a range of subjects including mathematics, sciences, language arts, social studies, history, government, fine arts, and character.