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How Do You Know What Time Is?: Measuring Time (Wells of Knowledge) - Tapa blanda

Libro 6 de 13: Wells of Knowledge Science

Wells, Robert

 
9780807579404: How Do You Know What Time Is?: Measuring Time (Wells of Knowledge)
Tapa blanda
ISBN 10: 0807579408 ISBN 13: 9780807579404
Editorial: Albert Whitman & Company, 2002

Sinopsis

What would life be like with no clocks and no calendars? How would you know when to get up in the morning? How would you know when baseball season was about to start? 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. And as time marched on, people came up with more ways to measure it. Today, quartz crystal watches and atomic clocks tell us EXACTLY what time it is, at any moment, all over the world.

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Acerca del autor

Robert E. Wells is the author and illustrator of many award-winning science books for children, including Can You Count to a Googol? and Why Do Elephants Need the Sun?. He lives with his wife in Washington.

De la solapa interior

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.

"Sobre este título" puede pertenecer a otra edición de este libro.

Editorial
Albert Whitman & Company
Año de publicación
2002
Idioma
Inglés
ISBN 10 
0807579408
ISBN 13 
9780807579404
Encuadernación
Tapa blanda
Número de páginas
32
Contacto del fabricante
no disponible
Persona responsable
no disponible