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Download E-books Tools of Timekeeping: A Kid's Guide to the History & Science of Telling Time (Tools of Discovery series) PDF

By Linda Formichelli

Children will research all approximately innovations: their inventors, the way in which they replaced background, and their evolution over centuries, throughout the actions and anecdotes supplied during this interactive series.

From old civilization's earliest calendars and shadow clocks to the atomic clocks of this present day, the background of time dimension emerges during this interactive advisor. The learn of the evolution of timekeeping units and the inventors of calendars and clocks is incorporated and loaded with fascinating proof and trivialities. Fifteen hands-on actions aid exhibit people' altering courting with time over the centuries.

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Read Online or Download Tools of Timekeeping: A Kid's Guide to the History & Science of Telling Time (Tools of Discovery series) PDF

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Britannica. com/clockworks U. S. Naval Observatory: www. usno. army. mil nationwide Watch and Clock Museum: www. nawcc. org/museum nationwide Institute of criteria and know-how: www. nist. gov For neighborhood time: http://nist. time. gov U. S. Naval Observatory: http://aa. usno. army. mil/ www. timeanddate. com www. greenwichmeantime. com to discover your range: U. S. Geological Survey: http://geonames. usgs. gov/ 131 10 nine eight eleven 12 1 7 6 five 2 three four Index INDEX Alexander the good: 17, 20 analog: ninety nine, 103–105 Anaximander: 20, 21 Andronicus: 38, 39 astrolabe: forty four, forty five atomic clock: 109–115, 117, 123 Babylonians: five, 6, 15–17, 20, 22 base 10 counting approach: 17, 19, 20, 118 base 60 counting process: 17, 19, 20 Bernard of Verdun: forty five enormous Dipper: 24, 48–50 Caesar, Julius: 8-11 calendar: 5–11, 14–16 candle clock: 51–54, fifty nine, sixty six, sixty eight, one hundred and five Cassiopeia: 48–50 cesium: 110–113, 117, 123 China, chinese language: 14, forty, forty-one, fifty four, sixty one, ninety four, ninety five chip log: forty two chronometer: seventy nine, eighty, eighty two Congreve, Sir William: fifty five, fifty six constellations: see stars Copernicus, Nicolas: seventy three Cupp, J. William: 118–120 Curie, Marie: one zero one Curie, Pierre: 100–102 Curie element: a hundred, one zero one sunlight saving time: ninety three, 95–98, 117 electronic: ninety nine, 103–105, 108 133 Tools of Timekeeping Dondi, Giovanni de: sixty seven Doppler shift: 114, a hundred and fifteen Dowd, Charles: 88, 89, ninety two jap Hemisphere: eighty one, eighty two ECOlogical Calendar: 121, 126 Egyptians: five, 6, 15–18, 20, 35, 37, forty-one, fifty one, 60 Einstein, Albert: 117, 121, 122, 123, 124, a hundred twenty five equator: 10, thirteen, 21–23, forty four, forty five, seventy six, seventy seven, ninety two escapement: 62–68, 70–72, 75–77, seventy nine, 102 Flamsteed, Reverend John: 87 foliot: sixty four, sixty five, sixty eight, 70 Franklin, Benjamin: 95–97 fusee: seventy one Galilei, Galileo: sixty two, sixty nine, 72–75, 86, 87 gnomon: 19–22, 32, 33, eighty one GPS (Global Positioning System): 109, 113–117 Greek, Greeks: 17, 20, 22, 35, 38, forty-one, forty four Greenwich, England: seventy seven, seventy eight, eighty one, eighty two, 86, ninety two, ninety four Greenwich suggest time (GMT): 88, ninety three Gregorian calendar: 10, eleven, 14, 89, ninety, ninety four Hardman, Chris: 121 Harrison, John: seventy nine, eighty, 86 Henlein, Peter: 70, seventy one Hertz: 111 Honnecourt, Villard de: 63–65 Horton, Joseph W. : one hundred and one, 102 hourglass: 41–44, sixty six, sixty eight, sixty nine, one hundred and five Huygens, Christian: seventy five, seventy six incense clock: fifty one, fifty two, fifty four, fifty five, fifty eight, fifty nine, a hundred and five overseas Date Line: eighty two, ninety four overseas Meridian convention: ninety two 134 10 nine eight eleven 12 1 7 6 five 2 three four 10 nine eight eleven 12 1 7 6 five 2 three four Index Kendall, Larcum: eighty klepsydra: 35–42, fifty one, fifty nine, sixty one, 66–68, ninety nine, one hundred and five, 126 King Charles II: 86, 87 knot: forty four Lambert, William: 89 range: 15, 22–26, forty four, fifty six, fifty seven, seventy seven, seventy eight, eighty one Little Dipper: 24, 48–50 longitude: 15, 34, sixty nine, 76–83, 86, 88, 89, ninety two, ninety four Lull, Ramon: forty five Lyons, Harold: one hundred ten Marrison, Warren A. : a hundred and one, 102 Mastrofini, Marco: 10, 14, 119 Mayans: 6, 7 Mechanical clock: 66–69 metric time: 118—120 microwave power: one hundred ten, 111 millennium malicious program: 119 moon: 3–6 nocturnal: 35, 44–50, one zero five North Pole: 10, 21–24, 34, forty five, seventy seven, ninety two, ninety five North famous person: 24, 33, forty four, 45,49, 50 Northern Hemisphere: 10, thirteen, 32, forty five Nuremburg Egg: seventy one oil clock: fifty two, fifty nine pendulum clock: sixty two, sixty nine, 73–76, eighty five, ninety nine, one zero five piezoelectricity: 100–102 planets: sixty seven, seventy three, seventy six, 87 Polaris: see North celebrity Pope Gregory XIII: 10, 14 top meridian: seventy seven, eighty one, eighty two, 89, ninety two protractor: 24–28, forty six, forty seven one hundred thirty five Tools of Timekeeping Ptolemy: 22 quadrant: 15, 23, 24, eighty one quartz: 99–103, 109, 113, 126 radar: a hundred and ten radioactivity: a hundred, one zero one, 109 radio telescope: 109, 113, 114 railway time: 86, 87 relativity: 117, 121–125 rolling ball clock: fifty five, fifty six Rome, Romans: 6, 8–11, 20, 38, forty-one, 60 Royal Greenwich Observatory: 86–88, ninety two, a hundred, 102 sandglass: see hourglass satellite tv for pc: 113–115 Seleucids, Seleucid Dynasty: 17, 20 sextant: 23, forty five, 70 shadow clock: 15–21, 35, fifty one, ninety nine, one zero five, 126 sidereal day: 83–85 sunlight day: 83–85, 118 South Pole: 10, 21–23, 34, seventy seven, ninety two, ninety five Southern Hemisphere: 10, thirteen, 32, forty five Sputnik: 114, a hundred and fifteen stars: 6, sixteen, 19, 21, 35, 44–50, seventy three, 84–87, ninety two, 123, a hundred twenty five, 126 stopwatch: 106, 108 summer time solstice: 10, 12 sundial: 15, 20–23, 25–35, 39, forty two, fifty one, fifty six, fifty seven, fifty nine, sixty seven, sixty eight, eighty one, one zero five Su Sung: forty, forty-one, sixty one, sixty two, sixty seven telegraph: 86, 87 13th normal convention on Weights and Measures: 112 time stick: see shadow clock time quarter: 34, eighty one, eighty three, eighty five, 86, 88–98, 117 Tower of Winds: 38–40 136 10 nine eight eleven 12 1 7 6 five 2 three four 10 nine eight eleven 12 1 7 6 five 2 three four Index Western Hemisphere: eighty one, eighty two wintry weather solstice: 10, eleven, 121 international Calendar: 10, 14 Zech, Jacob: seventy one Zulu time: ninety three 137 Children's Activity/Education source Why can we have bissextile year?

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