In Solids, Liquids and Gases, young readers are introduced to the states of matter. Water exists as a solid (ice), a liquid, or a gas (water vapor) depending on how much energy the water molecules have. Energy and molecules are explained.
 
Softcover, 8×8 in., 24 pages
Word Count 333,  Lexile Measure 490L
A pronunciation guide is included. Reading Level 1-3, Interest Level 2-5.