Clocks time (Más de 1800 resultados)

Paperback. Condición: Good. "[An] impressive history of timekeeping."--Horn Book Bruce Koscielniak, in this Common Core text exemplar, tells the intriguing story of the many years spent tinkering and inventing to perfect the art of telling time. When time itself was undefined, no one knew the difference between a minute, an hour, and a day. Then people started creating tools to measure time. First they used the sun, the moon, and the water, but soon after people began using their knowledge about the natural world to build clocks and to create calendars made up of months and years. Centuries later, we have clocks and calendars all around us! This title has been selected as a Common Core Text Exemplar (Grades 4-5, Informational Texts).…

Paperback. Condición: Very Good. "[An] impressive history of timekeeping."--Horn Book Bruce Koscielniak, in this Common Core text exemplar, tells the intriguing story of the many years spent tinkering and inventing to perfect the art of telling time. When time itself was undefined, no one knew the difference between a minute, an hour, and a day. Then people started creating tools to measure time. First they used the sun, the moon, and the water, but soon after people began using their knowledge about the natural world to build clocks and to create calendars made up of months and years. Centuries later, we have clocks and calendars all around us! This title has been selected as a Common Core Text Exemplar (Grades 4-5, Informational Texts).…

Hardback. Condición: Good.

Condición: acceptable. This copy has clearly been enjoyedâ"expect noticeable shelf wear and some minor creases to the cover. Binding is strong, and all pages are legible. May contain previous library markings or stamps.

Paperback. Condición: Very Good.

Paperback. Condición: Very Good.

Paperback. Condición: Good.

Paperback. Condición: Fair.

hardcover. Condición: Fair.

Paperback. Condición: Very Good.

Paperback. Condición: Very Good. Telling time becomes clear and easy for young readers in this bright and lively introduction to measurements of time. From seconds to minutes, hours to days, exploring what time is and discovering why we need to tell time, helps young readers understand more than 'the big hand is on the one and the little hand is on the two'. Megan Halsey's playful illustrations depict imaginative digital and analog clocks that range in design. With the help of a whole lot of clocks, a dash of humor, and a few familiar circumstances, learning to tell time is a lot of fun. It's about time. Halsey, Megan (ilustrador).…

Paperback. Condición: Good. Telling time becomes clear and easy for young readers in this bright and lively introduction to measurements of time. From seconds to minutes, hours to days, exploring what time is and discovering why we need to tell time, helps young readers understand more than 'the big hand is on the one and the little hand is on the two'. Megan Halsey's playful illustrations depict imaginative digital and analog clocks that range in design. With the help of a whole lot of clocks, a dash of humor, and a few familiar circumstances, learning to tell time is a lot of fun. It's about time. Halsey, Megan (ilustrador).…

Condición: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: acceptable. Book is in acceptable condition and shows signs of wear. Book may also include underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service. Halsey, Megan (ilustrador). …

Condición: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service. Halsey, Megan (ilustrador).…

Condición: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Hardback. Condición: Good. Jo Ellen Barnett takes us a step further in our perpetual quest to comprehend time. She bridges the gap between the mechanical clocks which record the fleeting moment as it passes, and the powerful radioactive "clocks" which have opened up to us the eons of the earth's history, by showing that both are based upon the counting of identical time segments. Beginning with a historical look at clocks to tell the time of day, she discusses the impact of such inventions as the church bell, the pendulum, and the wristwatch on human culture, and explains how they've gradually transformed our perception not only of the world, but of time itself.…

Paperback. Condición: Very Good. 1. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condición: Very Good. Illustrated. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Condición: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: very_good. This book is in excellent condition. There may be minimal writing on the inside cover or cover page. Cover image on the book may vary from photo. Ships out quickly in a secure plastic mailer.

Soft cover. Condición: Very Good. 1st Edition. Very Good Paperback.

Hardcover. Condición: Fair. Illustrated. With dust jacket. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Condición: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condición: Very Good. 41455th. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Halsey, Megan (ilustrador).

Condición: good. Books may contain some notes and highlighting. Supplements such as Access Codes, Cd's Dust Jackets, etc. are not guaranteed with used book purchases.

Condición: like_new. Fast Free Shipping â" Excellent condition book with clean cover and pages. Barely handled, with minimal wear. An outstanding copy, close to enjoy.

Paperback. Condición: Fair. Clocks and trains, telegraphs and colonial conquest: the challenges of the late nineteenth century were an indispensable real-world background to the enormous theoretical breakthrough of relativity. And two giants at the foundations of modern science were converging, step-by-step, on the answer: Albert Einstein, an young, obscure German physicist experimenting with measuring time using telegraph networks and with the coordination of clocks at train stations; and the renowned mathematician Henri Poincare, president of the French Bureau of Longitude, mapping time coordinates across continents. Each found that to understand the newly global world, he had to determine whether there existed a pure time in which simultaneity was absolute or whether time was relative Esteemed historian of science Peter Galison has culled new information from rarely seen photographs, forgotten patents, and unexplored archives to tell the fascinating story of two scientists whose concrete, professional preoccupations engaged them in a silent race toward a theory that would conquer the empire of time. …

Paperback. Condición: Good. Clocks and trains, telegraphs and colonial conquest: the challenges of the late nineteenth century were an indispensable real-world background to the enormous theoretical breakthrough of relativity. And two giants at the foundations of modern science were converging, step-by-step, on the answer: Albert Einstein, an young, obscure German physicist experimenting with measuring time using telegraph networks and with the coordination of clocks at train stations; and the renowned mathematician Henri Poincare, president of the French Bureau of Longitude, mapping time coordinates across continents. Each found that to understand the newly global world, he had to determine whether there existed a pure time in which simultaneity was absolute or whether time was relative Esteemed historian of science Peter Galison has culled new information from rarely seen photographs, forgotten patents, and unexplored archives to tell the fascinating story of two scientists whose concrete, professional preoccupations engaged them in a silent race toward a theory that would conquer the empire of time. …