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Author
Publisher
Houghton Mifflin
Pub. Date
2004.
Language
English
Description
There was a time when time itself was undefined...no one knew the difference between a minute, an hour, or a day. Then people began making tools to measure time using the sun, the moon, and water. Using this knowledge they began to build clocks and from that created calendars made up of months and years.
2) Time zones
Author
Publisher
Holiday House
Pub. Date
[2010]
Language
English
Description
Discusses the reasons for time differences in different parts of the world and the history behind the division of the world into twenty-four time zones.
3) Telling time
Author
Publisher
Holiday House
Pub. Date
[2019]
Language
English
Description
"This picture book offers explanations of how to tell time, the difference between digital and analog time and AM and PM"--
Author
Series
Publisher
Cherry Lake Publishing
Pub. Date
[2014]
Language
English
Description
"Real-world examples and engaging activities guide readers in learning about measuring time from an analog and digital clock using a.m. and p.m. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring"--Provided by publisher.
Author
Series
Publisher
PowerKids Press
Pub. Date
2024.
Language
English
Description
"Time is measured in a variety of units, including seconds, hours, days, weeks, and decades. This practice began with the sundials of ancient Egypt, but we still use clocks and calendars today to keep track of our time. This volume guides readers through measuring time, figuring out time zones, and learning about classic and modern timepieces. Through a fun activity and introductions to some famous scientists, readers will gain a better understanding...
Author
Series
Publisher
Enslow Publishing
Pub. Date
[2024]
Language
English
Description
"What exactly is the difference between Eastern Standard Time and Pacific Standard Time? And why do they-and the 22 other global time zones-exist at all? In this fun, informative set, readers learn the answers to these questions, starting with the history of time zones that began with the American railroad lines. With content that supports social studies curricula, the main text is written especially for lower elementary readers. Colorful maps throughout...
Author
Publisher
Enslow Publishing
Pub. Date
2016.
Language
English
Description
How do humans perceive time? What are the three different kinds of days? What is a shadow clock and how does it work? Using easy-to-find materials, you can conduct these fun and simple experiments to learn about the science behind time and how it has been measured throughout history.
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