Early Discoveries

by Gerry Bailey

Describes the basic science principles and the history behind many inventions including Archimedes' screw, the sundial, the chariot, the crane, a windmill, block printing, and the wheelbarrow.... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1904668704
• ISBN13: 9781904668701
• Release Date: June 2005
• Publisher: Mercury Books
• Length: 48 Pages
• Weight: 1.16 lbs.
• Dimensions: 0.4" x 8.5" x 11.3"
• Age Range: 8 to 14 years
• Grade Range: Grades 3 to 9