Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6836
Points per Word
0.000146
Page Count
48
Points per Page
0.020833
Series
Creepy, Kooky Science
Description
Readers learn more about the debris that's been falling to Earth for billions of years and are introduced to the way Earth interacts with other objects in the solar system.