Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2220
Points per Word
0.000225
Page Count
48
Points per Page
0.010417
Series
True Book; True Book: Space
Description
This introduction to black holes explains how stars become black holes, looks at different types of black holes, and discusses what is inside a black hole and how scientists study them.