Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4201
Points per Word
0.000238
Page Count
32
Points per Page
0.03125
Series
Science Secrets (Benchmark)
Description
This book reveals the science behind flight, discussing how birds fly, how jet engines work, why planes can fly so fast, and how they stay in the air.