How Do You Know What Time it is? (Wells of Knowledge Science Series) - Hardcover

Wells, Robert

 
9780807579398: How Do You Know What Time it is? (Wells of Knowledge Science Series)

Inhaltsangabe

What would life be like with no clocks and no calendars? How would you know when to get up in the morning? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials.

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Aus dem Klappentext

What would life be like with no clocks and no calendars? How would you know when to get up in the morning? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials.

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9780807579404: How Do You Know What Time Is?: Measuring Time (Wells of Knowledge)

Vorgestellte Ausgabe

ISBN 10:  0807579408 ISBN 13:  9780807579404
Verlag: Albert Whitman & Company, 2002
Softcover