Measuring Time
by Williams, Brian
Series:About Time
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
6.5
AR Points
1
Word Count
7,309
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
61207 EN
About this book
This book explores how humans have measured time throughout history, from moon calendars to sun clocks, hourglasses, and other mechanical devises to electric, electronic, and atomic timepieces.