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ss Unit 1, Chapter 1, Lesson 1
city in New Mexico where archaeologists found many early human-made objects
an area in the North African country of Algeria; the site of ancient cave paintings
a prehistoric "land bridge" that once connected Asia and North America
site in Chile near where archaeologists found artifacts dating to 12,500 years ago
a place in South Carolina where archaeologists found artifacts that were up to 18,000 years old
long period of time before people developed systems of writing and written language
the study of past cultures through the things that remain such as buildings, tools, or pottery
a scientist who uncovers evidence or proof from the past
objects made by people long ago
to move from one place to another
huge ice sheets
a period of time when glaciers covered great stretches of land