Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
6.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2953
Points per Word
0.000169
Page Count
32
Points per Page
0.015625
Description
This book describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.