Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5545
Points per Word
0.00018
Page Count
32
Points per Page
0.03125
Description
This book explains how sound moves, describing vibration and differences between loud and quiet, low and high, and includes echoes and music. It also discusses how people hear different kinds of sounds.