Rubber vs. Glass

by Lawrence F. Lowery

A friendly debate leads twins Bill and Mary to compare rubber balls, rafts, and gloves with glass marbles, greenhouses, and jars, objects that at first seem very different. A field trip teaches them that both rubber and glass can bend, bounce, stretch, and even melt. This lively story introduces the concept of properties. As scientists know, properties are characteristics that help us understand the traits of substances all around us if like Bill...

• Format: Paperback
• Language: English
• ISBN: 1938946502
• ISBN13: 9781938946509
• Release Date: July 2014
• Publisher: National Science Teachers Association
• Length: 36 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.2" x 9.2" x 9.7"
• Age Range: 5 to 8 years
• Grade Range: Kindergarten to Grade 3