Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.6
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
9614
Points per Word
0.000208
Page Count
48
Points per Page
0.041667
Series
Earth and Space
Description
This book describes what comets, asteroids, and meteors are made of and how they form. It also explains how scientists study them and discusses their collisions with Earth.