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.

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.

What keeps us stuck on the ground? What makes magnets come together? What makes one team win during a game of tug of war? Forces!

"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.

"Empujar mueve las cosas lejos de ti. ¿Qué empujas?"--page 4 of cover.

"Whoosh! Superheroes can run faster than any vehicle can carry them. See how scientists and engineers use technology to help people move and work like never before"--

"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...