Char. of Civilization
This characteristic means having enough food for a growing population.
A system of canals helped control river water and grow crops.
What is irrigation?
Iowa's rich soil was largely formed by these massive sheets of ice long ago.
What are glaciers?
What does the abbreviation BCE stand for?
What is Before Common Era?
Mesopotamians developed this number system.
What is the base-60 system?
This describes different groups of people ranked by power or wealth.
What is social structure?
What is Mesopotamia?
Both Iowa and Mesopotamia depend on this for farming success.
What is fertile soil?
The abbreviation AD stands for _______.
We still use this Mesopotamian invention when we make clocks.
What is base-60 math?
This structure was built for religious purposes in Mesopotamia.
What is a ziggurat?
Flooding left behind this nutrient-rich material that made soil fertile.
What is silt?
This major river helps create fertile farmland in Iowa.
What is the Mississippi River?
Years in BCE count in this direction toward year 1.
What is down?
This early writing system used wedge-shaped symbols.
What is cuneiform?
This invention allowed Mesopotamians to record trade, laws, and history.
What is writing?
Better farming tools led to this major result for cities.
What is population growth?
What is larger cities?
Unlike Mesopotamia, Iowa farmers today use this modern machine instead of plows pulled by animals.
What is a tractor?
Which happened first: 500 BCE or 200 BCE?
What is 500 BCE?
This farming invention helped turn soil more easily.
What is the plow?
What are arts and sciences?
This mountain range helped protect Mesopotamia from some invasions.
What are the Zagros Mountains?
Mesopotamian flooding was risky and unknown, but Iowa's climate is generally more _______.
What is predictable?
The Code of Hammurabi was written around 1750 BCE. This means it happened before or after 1 CE?
What is before?
This achievement allowed Mesopotamians to track time using moon cycles.
What is the calendar?