Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
573
Points per Word
0.000873
Page Count
48
Points per Page
0.010417
Description
This book uncovers the science behind the beautiful and vast array of natural events that make the sky glow all over the world.