Is It Hard or Soft?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. Author: Lisa J. Amstutz Publisher: Pebble Books Published: 08 01 2021 Pages: 24 Binding Type: Hardcover Weight: 0. 60lbs Size: 8. 11h x 8. 27w x 0. 39d ISBN: 9781977131782 About the
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