Cameron & Craig 
STEM Labs for Middle Grades, Grades 5 – 8 [PDF ebook] 

STEM Labs for Middle Grades offers activities that challenge students to apply scientific inquiry, content knowledge, and technological design to solve real-world problems. An excellent addition to your curriculum, this supplement will help cultivate students’ interest in science, technology, engineering, and math. 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 math, science, language arts, social studies, history, government, fine arts, and character.