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Social Studies

Lesson 5

drought a long period without rain
glacier thick sheets of ice
migrate movement of people to another land
theory a possible explanation
artifact an object that someone made in the past
specialize do only one kind of job
ceremony activity done for a special purpose or event
mesa high, flat landform that rises steeply from the land around it
civilization culture with organized system of government, religion and learning
ice age long period of extreme cold on Earth
empire a group of lands and peoples ruled by one leader
slavery the practice of holding people against their will
surplus more than is needed
tribute payment demanded by rulers from the people they rule
archaeologist one who studies artifacts of people
pyramid building shaped like a triangle
Created by: Sam Conners