Introduces young readers to the changing nature of different materials and the processes that make them change, and includes a story about a forest fire.
Defines the three states of matter; describes the properties of water, gases, and solids; explains how changes of state occur; and presents related experiments that can be done at home. Also includes the periodic table and charts of common elements and chemicals.
A color-illustrated introduction to the states of matter that discusses melting and freezing, boiling and evaporation, electric plasma, and other related topics, and includes instructions for experiments, a glossary, and a further-reading list.