Overview
A nail is hard. A cotton ball is soft. Why are some objects hard and others soft? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between hard and soft materials.The book, Is It Hard or Soft? (Properties of Materials) [Bulk, Wholesale, Quantity] ISBN#9781977131782 in Hardcover by Lisa J. Amstutz may be ordered in bulk quantities. Minimum starts at 25 copies. Availability based on publisher status and quantity being ordered.
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