Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
590
Points per Word
0.000847
Page Count
40
Points per Page
0.0125
Description
This introduction to light and how it helps us to see profiles different kinds of light, including sunlight, firelight, and electric light, and provides interactive experiments that readers can perform at school or at home.