Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.9
Points
6.0
Fiction/Nonfiction
Nonfiction
Word Count
32457
Points per Word
0.000185
Page Count
144
Points per Page
0.041667
Series
Voyages Through Time
Description
This book explains what happened at the time of the Big Bang, the scientific theory of how Earth was formed, and looks at early life on the planet up to the evolution of Homo sapiens.