Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.8
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
12512
Points per Word
0.00016
Page Count
128
Points per Page
0.015625
Series
Time-Life Student Library
Description
This book reviews fundamental scientific principles in areas such as simple machines, electricity, magnets, lights, matter, chemistry, motion, and engineering.