Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.7
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11128
Points per Word
0.00018
Page Count
80
Points per Page
0.025
Description
This book is a fascinating journey from the days of dried newts and powdered worms to the discoveries of modern physics.