Introduces the concept of energy, describing the difference between potential and kinetic energy and detailing such types as heat, sound, light, chemical energy, and electricity.

"An introduction to the six simple machines-the screw, lever, wedge, pulley, inclined plane, and the wheel and axle-and examples of how they are used in real life"--

This book helps emerging readers develop proficient literacy skills while learning about force and motion. It promotes beginning reading skills, teaches science vocabulary, and fosters curiosity about the world around us.

Force explores how humans interact with the material world in the course of their everyday activities. This book for the general reader also considers the significance of force in shaping societies and cultures. Celebrated author Henry Petroski delves into the ongoing physical interaction between people and things that enables them to stay put or causes them to move. He explores the range of daily human experience whereby we feel the sensations of...

Provides a simple introduction to push and pull.

"It's time for Bird to build her nest! Follow her as she pulls a worm out of the ground, lifts some twigs that are just the right size, and pushes the twigs into place. Uh-oh! One of the twigs falls to the ground! But after a day of hard work, Bird's nest is ready and waiting"--Publisher's website.

"Help your readers discover the powerful science behind force. Various forces, such as gravitational force and applied force, explain how and why objects move the way they do. Through informative and concise main text, readers expand their knowledge of this essential science curriculum topic. Creative, full-color design elements, useful sidebars, thought-provoking fact boxes, and a helpful glossary add extra insight to give readers a better understanding...

"Whee! Find out about the forces that keep you in motion while you spin, bounce, and bump your way through an amusement park."--

This live-action video program incorporates many research-based learning strategies proven to help young viewers learn and retain science vocabulary, utilizing video footage, photographs, diagrams and colorful, animated graphics and labels. Kids will understand what energy is, how it exists in many different forms (kinetic, solar, potential, sound and wave), and how it works. The program begins with a simple definition.

"Genuine scientists test their theories through experiments, using the results to uncover truly amazing discoveries. In this beneficial STEM-based book, readers are the scientists diving into experiments about forces such as gravity, friction, and magnetism. They'll use easy-to-find materials such as balloons, erasers, and rulers to perform step-by-step experiments, learning more about forces at work in the world all around them. A summary of each...