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Lesson 8-9
Isaac Social Studies
| Term | Definition |
|---|---|
| era | an expanse of time characterized by an individual, human, activity or culture; synonym of "age" |
| age | an expanse of time characterized by an individual, human, activity or culture; synonym of "era" |
| calendar | a system of organizing and dividing time, often based on the orbit of the moon around the earth or the earth around the sun |
| solar calendar | a calendar system based on the earth's rotation around the sun |
| lunar calendar | a calendar system based on the moon's rotation around the earth |
| B.C./B.C.E. | the period of time before Christ was born, now referred to as "before common era" |
| A.D./C.E | the period of time after Christ was born, now referred to as "common era" |
| topography | a way of showing contrasting features on a map |
| Afroeurasia | a geographical region spanning Africa, Europe and Asia |
| Americas | a geographical region consisting of North and South America |
| Oceania | a geographic region in the basin of the Pacific Ocean containing 25,000 islands |
| Eurasia | the land mass of both Europe and Asia |
Created by:
Switz
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