Ice age
A time when glaciers covered much of the land
Caravan
a group of merchants traveling together for safety, usually with a large amount of camels
Scroll
A long document
Psalm
A sacred song or poem used in worship
Plane geometry
a branch of mathematics centered around measurement
Nomads
People that move from place to place that look for food
Astronomer
A person that studies planets and stars
Proverb
A wise saying
Exile
a forced apsents in one home or country
Eratosthenes
Eratosthenes tried to figure the distance around Earth.
Shrine
A place where people worship
Hieroglyphics
a writing system made up of a combination of pictures and sound symbols
Monotheism
A belief in one god
Representative democracy
a form of democracy in which citizens elect officials to govern on their behalf
Alexander the Great
entered India but turned back in 325 b.c.
Polytheism
a belief in more than one god
Shadoof
A bucket attached to a long pole used to transfer river water to storage basins
Prophet
A messenger sent by god to share god's word with people
Philosophers
a person who searches for wisdom or enlightenment
Cavalry
part of an army in which the soldiers ride horses
Cuneiform
a system of writing developed by the Sumerians
Savanna
tropical grasslands dotted with small trees and shrubs
Tribe
a social group made up of families or clans
Tyrant
absent unrestrained by law
Archimedes
The most famous scientist of the Hellenistic Era