Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1867
Points per Word
0.000268
Page Count
32
Points per Page
0.015625
Description
This book uses a question-and-answer format to introduce light's sources, components, forms and movement, as well as humans' perception of light.