Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4367
Points per Word
0.000229
Page Count
48
Points per Page
0.020833
Series
KidHaven Science Library
Description
Scientists believe that more than 13 billion years ago the universe was born in a titanic explosion called the Big Bang and that it has been expanding ever since. This book explores the evidence for this momentous event.