In Heat, young readers are introduced to the concept of heat. Heat is a form of energy and is caused by the movement of atoms and molecules. The faster they move the more heat is created. Heat changes water from ice to liquid to steam. Atoms and molecules are described.
 
Softcover, 8×8 in., 24 pages
Word Count 255,  Lexile Measure 520L
A pronunciation guide is included. Reading Level 1-3, Interest Level 2-5.