What Is the World Made Of? All About Solids, Liquids, and Gases Paperback – January 1, 2001 by Kathleen Zoehfeld (Author), Paul Meisel (Illustrator)
 
Did you ever walk through a wall or drink a glass of blocks? Have you ever played with a lemonade doll, or put on milk for socks? Introduces young readers to an important science concept; the differences between solids, liquids, and gases
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