How Do You Know What Time It Is?
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- Synopsis
- 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.
- Copyright:
- 2002
Book Details
- Book Quality:
- Publisher Quality
- ISBN-13:
- 9781504000420
- Publisher:
- Albert Whitman & Company
- Date of Addition:
- 07/14/16
- Copyrighted By:
- Robert E Wells
- Adult content:
- No
- Language:
- English
- Has Image Descriptions:
- No
- Categories:
- Children's Books, Nonfiction
- Grade Levels:
- Second grade, Third grade, Fourth grade, Fifth grade
- Submitted By:
- Bookshare Staff
- Usage Restrictions:
- This is a copyrighted book.