power (mechanics)

Surveys various sources of energy and the ways in which they've been harnessed.

"This book shows you how to build your own pom-pom flyer. Using simple materials and easy step-by-step instructions, young readers can explore the science of forces and motion behind this . . . project"--Publisher.

"A compilation of small projects to build with LEGO Technic parts, including gears, motors, gadgets, and other moving elements. Contains step-by-step building instructions for rack-and-pinion steering systems, sliding doors, grasping claws, and ball-shooting devices. Explores principles of simple machines, gearing, and power translation"--Provided by publisher.

From the sun to wind power, from nuclear plants to electricity, energy is an amazing resource that powers our world. Discover the fascinating story of energy and what it is with DK Eyewitness Books: Energy.

Introduces kinetic and potential energy, illustrating themwith an experiment and examples, including a roller coaster, simple machines, and sound.

Learn the differences between objects in motion, or kinetic energy, and objects at rest, or potential energy.

Bill Nye the Science Guy answers questions about energy and conducts two experiments that demonstrate the effects of air pressure and gravity on a bottle and the strength of shapes and structures.

This book explains to young readers the concept of energy. With lots of pictures and examples it makes learning easy and fun. This book, along with the other five books in the series, will stimulate their curiosity and give youngsters an excellent foundation in physics.

Learn about different types of renewable energy and what it means for the world.

"Explains how a force, such as a push or a pull, can put an object in motion. Simple activities show how a force can move an object that is not moving or stop one that is"--Provided by publisher.