"Gases, Liquids, Solids." . . . . . . "Solids, Liquids, and Gases"@en . "Solids, liquids, and gases" . . . . "Juvenile works" . . "Describes solids, liquids, and gases, covers how matters change states, and looks at the uses of solids, liquids, and gages." . . . . . . "Matter Properties." . .