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100

The time before humans developed writing

Prehistory

100

 A scientist who studies objects left behind by ancient people.

Archaeologist

100

An object made or used by humans in the past, such as a tool

Artifact

100

Preserved remains or traces of ancient living things

Fossil

100

A person who moves from place to place in search of food and resources.

Nomad

200

A person who survives by hunting animals and collecting plants.

Hunter/Gatherer

200

The Old Stone Age, when humans hunted, gathered food, and used simple tools.

Paleolithic Age

200

The New Stone Age, when farming and permanent settlements became common

Neolithic Age

200

 Raising plants and animals for human use is called

Domestication

200

The transition from hunting and gathering to farming

Agricultural Revolution

300

An independent city that controls its surrounding land

City State

300

Extra food or resources beyond what is needed

Surplus

300

 An ancient people who developed cities and writing in Mesopotamia

Sumerians

300

When people perform different jobs based on their skills

Specialization

300

 An organized society with government, cities, and specialized jobs

Civilization

400

Mesopotamia means

Land between rivers

400

 A large, stepped temple built by Mesopotamians.

Ziggurat

400

Belief in many gods.

Polytheism

400

A person trained to write and keep records

Scribe

400

A collection of laws that established rules and punishments

Code of Hammurabi

500

This civilization developed city-states, cuneiform writing, and irrigation systems

The Sumerians

500

 A Chaldean king who strengthened and expanded Babylon

Nebuchadnezzar II

500

A writing system using wedge-shaped marks on clay tablets

Cuneiform

500

A large territory controlled by one ruler or government

Empire

500

A civilization known for its powerful army and military conquests

Assyrians