Explains how a pulley works and introduces the ways it is used in everyday life.

This enlightening book introduces readers To The pulley. Through detailed photographs and uncomplicated text, readers will learn about its basic movement and where they can find pulleys in everyday life.

Springs have been used for more than 500 years as a simple machine that can make other machines work. When you open a screen door, open an umbrella, sit on a sofa, or sleep on a mattress you are using springs. This book explains what springs are and how they help you do everyday things. Topics include: Why won't a Slinky go up stairs? How can a catapult help a place take off? How does a clock work?

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 the perfect introduction to this simple machine and is sure to encourage an interest in STEM.

Pulleys are simple machines that have many uses, from lifting an injured boater into a rescue helicopter to drawing a bucket of water from a well! This book explains the science behind this helpful machine. Experiments, presented step-by-step and with photos, encourage students to engage with the pulleys in their own lives.

Pulleys are simple machines that use a wheel, an axle and some rope or string. They are usually used to help you lift things up. Find out all about this simple machine in this title.

This packet acts as a fulcrum for knowledge, helping with the work of teaching students about simple machines. Explore the effects of these machines with activities and lessons that focus in detail on different types of pulleys and their uses. Reinforce or test students’ understanding using the provided discussion questions, worksheets, and answers.

Levers are everywhere. Readers will learn about historical and present-day uses of levers and how levers make countless everyday activities much easier. A simple experiment is included with step-by-step instructions.

Uses everyday examples to illustrate how pulleys function as simple machines.

Introduces simple machines, including screws, levers, wedges, and pulleys, describes how each makes everyday life easier, and provides activities demonstrating these machines in action.