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
These landforms often protected civilizations from invaders and limited travel.
Mountains
This Egyptian writing system used pictures and symbols.
Hieroglyphics
Early humans obtained food by chasing animals.
Hunting
A metal made by mixing copper and tin.
Bronze
Two major rivers in Mesopotamia.
Tigris & Euphrates
Ancient civilizations often settled near these because they provided water and fertile soil.
Rivers
The Romans built these structures to carry water into cities.
Aqueducts
Collecting berries, fruits, and plants.
Gathering
A system used to bring water to crops.
Irrigation
The river valley civilization located in South Asia.
Indus
This term refers to the long-term weather patterns of a region.
Climate
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
Materials found in nature that people use to survive and build civilizations are called these.
Natural Resources
This Greek form of government allowed citizens to vote on laws.
Democracy
The process of taming animals for human use.
Domestication
Extra food produced beyond what people need.
Surplus
Early civilizations settled near this natural resource.
Water (rivers, oceans)
The yearly flooding of the Nile River helped Egypt by providing this rich soil for farming.
Silt
This Chinese invention helped sailors determine direction.
Compass