Audience: Students; Grades: K-5; Subject Areas: Science. (2009) Colorful animations highlight the major features of atoms, often referred to as the building blocks of matter. Special attention is given to the arrangement and models of atoms. Additional concepts and terminology: atomic theory, model of atom, element, nucleus, protons, neutrons, electrons, atomic number, atomic mass, electron cloud, isotope, and modern periodic table. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLffnpFZkh4dTNsOEVKM1M0eHJYbDBoZDlyM1BsTkFLWTZGelI3V0Z2NVFfNGc&usp=sharing