Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8713
Points per Word
0.000115
Page Count
32
Points per Page
0.03125
Description
This book explores the nature and properties of light, discussing such topics as refraction, the electromagnetic spectrum, optical illusions, and photons.