"We don't think much about nails and screws, until we need to fix or build something. The screw is a fundamental tool in nearly all construction projects. While it may be small, it is a powerful invention that has changed the world forever. This accessible book introduces readers to this simple machine and its many uses through real-world examples. Detailed pictures with thorough annotations help readers understand key engineering concepts. Fascinating...

Brief text, sidebars, labeled illustrations, and humorous cartoons describe what it would be like to live without simple machines, explaining how simple machines enable a lot of things around us to work, allowing us to travel in wheeled vehicles, lift heavy objects, put things together, and take things apart.

"What do nails, hammers, axes, and human teeth have in common? They're all examples of wedges. This fascinating simple machine takes many important forms that shape how humans interact with the world. This innovative book introduces readers to real-world examples of the wedge and thoroughly explains how this tool works. Detailed pictures with extensive annotations explain essential engineering concepts. 'Technology in Action' spreads give readers...

"Have you ever wondered how seesaws go up and down or how screws stay secure in walls? In the How Do series, readers are welcome to guess along with the rest of us--and then explore the science behind the right answers. Beginning concepts of mechanical engineering including levers, wedges, inclined planes, and more are learned through diagrams, photos, and informative and engaging text"--Amazon.com.

"How do you keep a door from closing? Try using a wedge! Wedges are one of the six simple machines that help make work easier by using mechanical advantage. In Wedges Make a Point: Simple Machines for Kids, readers ages 5 to 8 learn how a wedge's shape makes it perfect at stopping something heavy from moving, and separating material to split something--like banana bread--apart. Glossary, photos, and a hands-on activity make this book fundamental for...

"Pulleys are part of our daily lives, from elevators to giant cranes. We wouldn't even be able to raise the flag without the powerful pulley. Readers will learn all about this important, simple machine through detailed pictures with thorough annotations. They'll explore key engineering topics and learn about real-world examples of pulleys. Cool 'Technology in Action' spreads give readers an inside look at how pulleys work. This accessible book is...

"A teeter-totter is more than fun to play on, it's also a lever, one of the six simple machines. This accessible book introduces readers to the lever through real-world examples. They'll learn about simple and more complex inventions using the lever that have changed the world. Detailed pictures with thorough annotations explain important engineering concepts. Cool 'Technology in Action' spreads let readers get a close-up look at levers at work. This...

"If you were designing a wheelbarrow, how would you make it move easily when you pushed it? How about wheels? In Wheels Make the World Go Round: Simple Machines for Kids, readers ages 5 to 8 learn how wheels work along with axles and how they use mechanical advantage to make it easier to move heavy objects from one place to another. Glossary, photos, and a hands-on activity make this book fundamental for STEAM learning."--

This book introduces young readers to screws and how we use them everyday.

"Instructions for creating items using scientific methods"--