Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1328
Points per Word
0.000377
Page Count
24
Points per Page
0.020833
Series
Looking at Layers
Description
Readers learn about Earth's layers, including tectonic plates, convection currents, and more.