Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
3.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1886
Points per Word
0.000265
Description
Many scientists want to find out if there is life in the solar system apart from the Earth. In this book, readers will learn about the inner and outer planets and conditions needed for life to survive.