Margins
Timekeeping book cover
Timekeeping
Explore the History and Science of Telling Time with 15 Projects
2012
First Published
3.67
Average Rating
128
Number of Pages

Part of Series

Explore the History and Science of Telling Time travels through the past and into the future to explore how humans have measured the passage of time. From ancient civilization’s earliest calendars and shadow clocks to GPS and the atomic clocks of today, kids will track the evolution of timekeeping devices, meet the inventors of calendars and clocks, and learn interesting facts and trivia. Hands-on projects and activities include making a shadow clock, using a protractor to create a sundial, measuring time using water, and creating your own calendar. Kids will understand how civilization’s vague abilities to track days and months has transformed over the centuries into a sophisticated ability to keep time to the millionth of a second.
Avg Rating
3.67
Number of Ratings
9
5 STARS
22%
4 STARS
44%
3 STARS
22%
2 STARS
0%
1 STARS
11%
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Authors

Linda Formichelli
Linda Formichelli
Author · 12 books
Linda Formichelli spent 25 years writing for top publications and brands, from Good Housekeeping and Inc. magazines to Best Buy and Intel. She's also the author or coauthor of a dozen books, including the classic The Renegade Writer: A Totally Unconventional Guide to Freelance Writing Success.
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