Terms : Hide Images
| 7243345652 | Beginnings of civilizations to 600 BCE (Mesopotamia, Egypt) | Domestication of animals, agriculture, irrigation, dams, wheel, the sail, metal work, brick making, the arch, cities, govs, geometry, algebra, writing, calendars | 0 | |
| 7243345653 | 600 BCE - 600 CE (Persia) | Coins | 1 | |
| 7243345654 | 600 BCE - 600 CE (India) | Arabic numeral | 2 | |
| 7243345655 | 600 BCE - 600 CE (China) | compass, wood pulp paper, porcelain, canals, horse collar, stirrup | 3 | |
| 7243345656 | 600 BCE - 600 CE (Mediterranean, Greece, Rome) | Astrolabe, lateen sail, concrete, crop rotation) | 4 | |
| 7243345657 | 600 CE - 1450 (China) | Paper money, block printing, gunpowder, firearms | 5 | |
| 7243345658 | 600 CE - 1450 (Europe) | Mechanical clock, eye glasses, English longbow, wheeled plow | 6 | |
| 7243345659 | 600 CE - 1450 (North Africa) | University | 7 | |
| 7243345660 | 1450 - 1750 (Europe) | Alphabetic movable type printing press, telescope, microscope, steam engine, factory textile machines | 8 | |
| 7243345661 | 1750 - 1900 (Europe and US) | Steam boat, steam locomotive, steel ships, steel-framed skyscrapers, machine gun, light bulb, telephone, radio, typewriter, movie projector, electric diesel and gasoline motors, cotton gin, sewing machine, steel plow, mechanical reaper, automobile | 9 | |
| 7243345662 | 1900 to the present (Europe and US) | Airplane, liquid fuel rocket, communications satellite, nuclear power, tv, transistor, electronic comp, Internet, penicillin, DNA | 10 | |
| 7243347265 | Bronze Age | Age from 4,000 BCE, when bronze tools came into existence, to 1,500 BCE, when iron tools replaced them. | 11 | |
| 7243349036 | Babylon | Another civilization in Mesopotamia; replaced Akkad, famous for King Hammurabi and the code named after him. | 12 | |
| 7243350207 | Indus Valley | Another civilization lasting from 2500-1500 BCE that was built along the banks of the Indus River system. Rather limited in contact with other cultures due to the huge mountain systems by it. | 13 | |
| 7248942200 | Region | An area distinguished by a unique combination of trends or features. | 14 | |
| 7248980784 | Cultural | of or relating to the ideas, customs, and interpersonal behavior of a society | 15 |
