Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4760
Points per Word
0.00021
Page Count
87
Points per Page
0.011494
Description
Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devises work. Includes charts, diagrams, and activities section.