Beaver & Powers 
Electricity & Magnetism, Grades 5 – 8 [PDF ebook] 

Connect students in grades 5 and up with science using Electricity and Magnetism. This 80-page book covers topics such as static charges, magnetic fields, understanding a compass, lighting a bulb, and circuits. It contains subject-specific concepts and terminology, inquiry-based activities, challenge questions, extension activities, assessments, curriculum resources, a bibliography, and materials lists. The book supports National Science Education Standards, NCTM standards, and Standards for Technological Literacy.