Maurer 
Atoms and Molecules [PDF ebook] 

In Atoms and Molecules, readers will learn about the origin of our modern atomic theory. Featuring real-life photographs, fascinating facts, a comprehension and extension section, and more, readers stay engaged while learning and strengthening their reading comprehension skills. My Science Library’s rich, content-filled text and beautiful photographs bring science and the scientific process to life for readers. The series includes interesting facts about the Earth, the solar system, matter, energy, forces and motion, and life on our planet. The engaging text makes learning about science fun.