Simple Machines at Work - Set of 5

Offer readers a fresh, kid-friendly approach to a subject that features prominently in elementary-school physical science curricula. This series explains different kinds of simple machines such as levers or screws. Each volume includes several photos with labels, arrows, and other annotations that make it easier for readers to understand the main ideas and key details discussed in the text. A highly accessible take on one of the fundamental topics in physical science.

• Real-world examples aid comprehension
• Photographs overlaid with arrows, labels, and more illustrate key details
• Clear explanations of domain-specific words and phrases

Features:

• Index
• Glossary
• Pronunciation Guide
• Web Sites

Titles include:

	Levers in Action
	Screws in Action
	Simple Machines in the Great Outdoors
	Simple Machines in the Military
	Simple Machines at School