Carte Timekeeping W. Eric Martin

Timekeeping

Explore the History and Science of Telling Time

Limbă: engleză
Legare: Carte broșată
Editura: Nomad Press
Disponibilitate: În depozitul extern în cantități mici
Expediem în 11-15 zile
82.31 lei
Timekeeping: Explore the History and Science of Telling Time travels through the past and into the f...

Informații despre carte

Limbă
engleză
Legare
Carte - Carte broșată
Publicat
2012
Pagini
128
EAN
9781619300330
ISBN
1619300338
Enbook ID
05093023
Editura
Greutate
295
Dimensiuni
203 x 254 x 10

Descriere completă

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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