Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1804
Points per Word
0.000277
Page Count
48
Points per Page
0.010417
Series
Kingfisher Young Knowledge
Description
The ways in which light and sound are used will amaze readers as they discover how light can be used to create laser technology, while ultrasound enables doctors to see inside the human body.