Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
973
Points per Word
0.000514
Page Count
32
Points per Page
0.015625
Series
Here We Go
Description
A simple introduction to the development of rockets from their use by the Chinese in the thirteenth century to some of the many kinds that exist in the twentieth century.