People who move from place to place to find food.
Nomads
The science of working with metals.
Metallurgy
The river that supported Egyptian civilization.
Nile
Large triangular tombs built for Egyptian rulers.
Pyramids
Writing system that used wedge-shaped symbols.
Cuneiform
Early humans obtained food by chasing animals.
Hunting
A metal made by mixing copper and tin.
Bronze
One of the two rivers in Mesopotamia.
Tigris
Egyptian picture writing system.
Hieroglyphics
A large stepped temple built in Mesopotamia.
Ziggurat
Collecting berries, fruits, and plants.
Gathering
A system used to bring water to crops.
Irrigation
The river valley civilization located in South Asia.
Indus
Process used to preserve bodies after death.
Mummification
Babylonian king who created one of the first written law codes.
Hammurabi
The practice of farming crops and raising animals.
Agriculture
The number of people living in a certain area.
Population
Major river that supported early Chinese civilization.
Huang He
Paper-like material made from plants used in Egypt.
Papyrus
A set of written laws used to govern people.
Law Code
The process of taming animals for human use.
Domestication
Extra food produced beyond what people need.
Surplus
The exchange of goods between people or civilizations.
Trade
Artifact that helped scholars understand hieroglyphics.
Rosetta Stone
Civilization that developed in southern Mesopotamia.
Sumerians