"This book details the science of electricity and magnetism. It explains how these forces work, how they are related, what uses people have found for them, and more."--
From levers to pulleys, simple machines make our lives easier.Rookie Read-About Physical Science series introduces the youngest readers to physical science concepts. Each book features critical-thinki
What kinds of fossils exist, and where are they found?What are fossils and how do they form? This book answers these questions and many more about the fascinating world of fossils. From the discovery
