In Earth Spheres, young readers learn the earth is sphere-shaped and surrounded by different layers: the geosphere, hydrosphere, biosphere, atmosphere, and magnetosphere. The spheres work together and separately to support life on Earth.  Studying them helps us understand how Earth works.
 
Description
Softcover, 8×8 in., 24 pages
Word Count 244,  Lexile Measure 550L
A pronunciation guide is included. Reading Level 1-3, Interest Level 2-5.