Young readers will learn the history and the science behind the telegraph in Super Simple Telegraph Projects. Then do the science-based projects like making an electric magnet or learning a flag alphabet and Morse code. This book has a timeline, easy-to-follow steps, how-to pictures, and, best of all, it's written for kids! Aligned to Common Core Standards and correlated to state standards. Applied to STEM & STEAM Concepts of Learning Principles. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.