Time cover

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 6.4
Points 1.0
Fiction/Nonfiction Nonfiction
Word Count 6604
Points per Word 0.000151
Page Count 32
Points per Page 0.03125
Series Measuring Up

Description

This fascinating book shows how the way we measure time has developed from simple sundials to atomic clocks.