Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.7
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11215
Points per Word
0.000178
Page Count
64
Points per Page
0.03125
Description
Readers learn what it takes to make a planet by speeding through the 13.7 billion years that went into making the planet Earth.