How Do You Know What Time it Is?

$7.99

Robert E. Wells – TIME is a mystery! You can’t see or hear it… How did people keep track of time years ago? Were there always clocks around? Read about sundials, sand-glasses and pendulums. Learn more about the sun and moon.

Description

Lower Grades

Paperback

Pages: 32

ISBN: 9780618152438

Additional information

ISBN