This book introduces simple machines, including the lever, wheel and axle, pulley, inclined plane, screw, and wedge, and explores the use of simple machines and how they make work easier. Reading Essentials in Science.
This book explains the structure and behavior of the atom and how it to combines with other atoms to form molecules and compounds. Reading Essentials in Science.
Atomic (nuclear) energy and technology can be used to produce electricity, power ships, preserve foods, and diagnose and treat diseases. Reading Essentials in Science.
This book looks at the characteristics of chemical energy and discusses the various sources that produce chemical energy. Reading Essentials in Science.
This book examines chemical reactions and provides information on different kinds of reactions, what causes them, and the elements and compounds that react with one another to achieve stability within the reaction. Reading Essentials in Science.
All living things are made of cells. These microscopic building blocks of life grow, react to changes in the environment, change nutrients into energy, and reproduce. Reading Essentials in Science.
This overview of electricity includes electricity in nature, current electricity, battery power, and how various types of electrical circuits work. Reading Essentials in Science.