Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
774
Points per Word
0.000646
Description
From Earth, the sky usually appears calm. But in realitly, there are millions of objects hurtling through the skies. This is a look at some of them. Fast Lane Non-fiction series, Gold Level 21.