Term
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Definition
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the oldest living things ever found are strands of....
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Definition
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all earth; 280 million yrs. ago all continents were massed togther. What was it called?
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Term
| archaeologists and other scientists |
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Definition
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most of what we know about the ancients comes from the work of______ and _______________.
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Term
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Definition
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step 1 in the archaeological process
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Term
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Definition
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step 2 in the arch. process
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Term
| zoologists, botanist, and geologists |
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Definition
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natural scientists; a ________ studies zoology, a __________ studies plants, & and a ___________ studies rocks.
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Term
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Definition
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step 3 in the arch. process
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Term
| dig slowly and carefully layer by layer |
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Definition
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Term
| fossils ( also called remains) and artifacts |
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Definition
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archaeologists record the ___________ or _________ of what they find
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Term
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Definition
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a site is actually being _______ as it is excavated
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Term
| find the age of fossils and artifacts |
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Definition
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step 5 of the arch. process
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Term
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Definition
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all living things contain ________ (it begins 2 decay at the time if death; works 4 fossils up to 70,000 yrs. old)
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Term
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Definition
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finds the age of wooden artifacts by analyzing the pattern of the tree rings on it (can go back as far as 8,000 yrs.)
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Term
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Definition
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compares artifacts of a known date to artifacts of an unknown date
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Term
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Definition
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a long period of bitter cold and when huge sheets of ice covered part of the Earth's surface
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Term
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Definition
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the average temp. of the Earth was ___________ during an Ice Age.
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Term
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Definition
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weight of glaciers caused depressions in the Earth's surface
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Term
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Definition
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level of oceans was app. ______ ft. lower than it is today
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Term
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Definition
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there was more ______ land then there is now
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Term
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Definition
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___________ connected some islands and continents
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