Make teaching Materials and Their Properties fun, hands-on, and easy to assess with this comprehensive 40-page printable science unit! This engaging resource includes 20 student worksheets + 20 full answer keys, covering essential material science concepts such as: Perfect for elementary science classrooms, this unit combines sorting activities, cut-and-paste tasks, Venn diagrams, fill-in-the-blanks, true/false, object riddles, material detective analysis, and multiple-choice science quizzes.