Description Find out what the world is made of - matter! Make reading your superpower with DK's beautiful, leveled nonfiction. Use your reading superpowers to learn all about states of matter - liquids, gases and solids - a high-quality, fun, nonfiction reader - carefully leveled to help children progress. States of Matter is a beautifully designed reader explaining the states of matter that the world is made of, and how they can change. The engaging text has been carefully leveled using Lexiles so that children are set up to succeed. A motivating introduction to using essential nonfiction reading skills. Children will love to find out about what they and other things are made of!