Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7804
Points per Word
0.000128
Page Count
48
Points per Page
0.020833
Description
Readers learn about space, light, sound, machines, and forces in an engaging format that introduces each new concept with a real-life, surprising fact.