Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.6
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11093
Points per Word
0.00018
Page Count
48
Points per Page
0.041667
Description
This book shows how many scientific breakthroughs, from gunpowder to nuclear power, went from the drawing board to become part of our lives.