Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
878
Points per Word
0.000569
Page Count
24
Points per Page
0.020833
Series
Space Launch!
Description
This book explains what asteroids and comets are made of and where they come from, describes their impacts with Earth, and discusses the history of scientific research into them.