About Time : A First Look At Time And Clocks

About Time : A First Look At Time And Clocks

Book - 2004
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Houghton
Time to read a book.
Time to wash dishes.
Time to do this or that.

You say things like this every day, all the time. But there was a time when time itself was undefinedno one knew the difference between a minute, an hour, or a day.
Then people started creating tools to measure time. First they used the big stuff around themthe sun, the moon, water. Soon after, using the knowledge they got from their natural time-telling tools, people began to build clockshuge clocks unlike the ones we use today. They also used their knowledge of the sun and moon to create calendars made up of months and years.
Now, centuries later, we have clocks all around us. We can easily figure out how long a month is. But it took many years of tinkering and inventing to perfect the art of telling time. You could take a few moments now to read all about time. If you have a minute, that is.

Time to read a book.
Time to wash dishes.
Time to do this or that.

You say things like this every day, all the time. But there was a time when time itself was undefined—no one knew the difference between a minute, an hour, or a day.
Then people started creating tools to measure time. First they used the big stuff around them—the sun, the moon, water. Soon after, using the knowledge they got from their natural time-telling tools, people began to build clocks—huge clocks unlike the ones we use today. They also used their knowledge of the sun and moon to create calendars made up of months and years.
Now, centuries later, we have clocks all around us. We can easily figure out how long a month is. But it took many years of tinkering and inventing to perfect the art of telling time. You could take a few moments now to read all about time. If you have a minute, that is.
This title has been selected as a Common Core Text Exemplar (Grades 4-5, Informational Texts)

Baker & Taylor
Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.

Baker
& Taylor

Lively illustrations and fun, accessible text provide an account of the history of time and the evolution of keeping time, from following the sun and the moon to the huge clocks we use today.

Publisher: New York : Houghton Mifflin, 2004
ISBN: 9780618396689
0618396683
Characteristics: 30 p. : col. ill

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