1. Archaeology
Archaeology - the study of the remains of past human life and cultures
Artifacts – things made by people Scientists found that they could learn how people lived long ago from the artifacts
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Section 5-1

2. Terry Herbert 2009

4. Archaeology (cont.)
People who lived in ancient times did not leave many written records. 
Artifacts - do not have to be works of art; they can be anything made by people
Earliest artifacts - pieces of hard rock that were chipped into cutting or digging tools or into weapons.
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Section 5-2

5. Archaeological Finds
About 1700 – Herculaneum discovered by Italian farmers who were living on top of the ancient Roman city that had been buried for more than 1,000 years. 
About Pompeii uncovered
the Rosetta Stone was found in Egypt - a two-language dictionary carved on stone that gave the key to the meaning of Egyptian picture-writing
1850 – archaeologists uncovered five lost civilizations. 
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6. Dating Archaeological Remains
Archaeologists -
Excavate - dig into the earth, to uncover remains of the past
Date - find the age of, the remains. 
Christian J. Thomsen - divided early human history into three ages, or periods
Stone Age; Bronze Age; Iron Age
Later, scientists divided the Stone Age into three periods –old, middle, and new.
Section 5-5

7. Dating Archaeological Remains (cont.)
Archaeologists later divided early human history into two general periods. 
First period - people were food gatherers. 
Second period - people were food producers. 
To tell the date of an archaeological find, scientists first used the growth rings in trees.
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8. Dating Archaeological Remains (cont.)
Willard Frank Libby - In 1946, discovered that all living things contain a radioactive element called carbon 14. 
Carbon 14 Dating – accurate to about 50,000 years ago
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9. End of Section 5