Książka Timekeeping W. Eric Martin

Timekeeping

Explore the History and Science of Telling Time

Język: Angielski
Oprawa: Miękka
Wydawca: Nomad Press
Dostępność: Dostępna u dostawcy w małych ilościach
Wysyłamy za 11-15 dni
66.39
Timekeeping: Explore the History and Science of Telling Time travels through the past and into the f...

Informacje o książce

Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2012
strony
128
EAN
9781619300330
ISBN
1619300338
Enbook ID
05093023
Wydawca
Waga
295
Wymiary
203 x 254 x 10

Pełny opis

Timekeeping: 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.

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