TECHNOLOGY
Royston, Angela

Ramps and Wedges

(4) 4-6 Machines in Action series. These books introduce simple mechanisms, explain their basic scientific principles, and show how they are used in almost every aspect of civilization, including transportation, architecture, and farming. The simply written texts include instructions for pertinent projects and experiments; questions are scattered throughout each volume. Photos, illustrations, and blocks of text with colored backgrounds contribute to the books' crowded layouts. Bib., glos., ind.

RELATED 

Get connected. Join our global community of more than 200,000 librarians and educators.

This coverage is free for all visitors. Your support makes this possible.

We are currently offering this content for free. Sign up now to activate your personal profile, where you can save articles for future viewing.

ALREADY A SUBSCRIBER?