Term
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Definition
| the oldest living things ever found are strands of.... |
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Term
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Definition
| 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
| most of what we know about the ancients comes from the work of______ and _______________. |
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Term
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Definition
| step 1 in the archaeological process |
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Term
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Definition
| step 2 in the arch. process |
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Term
| zoologists, botanist, and geologists |
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Definition
| natural scientists; a ________ studies zoology, a __________ studies plants, & and a ___________ studies rocks. |
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Term
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Definition
| 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
| archaeologists record the ___________ or _________ of what they find |
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Term
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Definition
| 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
| step 5 of the arch. process |
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Term
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Definition
| 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
| 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
| compares artifacts of a known date to artifacts of an unknown date |
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Term
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Definition
| 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
| the average temp. of the Earth was ___________ during an Ice Age. |
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Term
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Definition
| weight of glaciers caused depressions in the Earth's surface |
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Term
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Definition
| level of oceans was app. ______ ft. lower than it is today |
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Term
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Definition
| there was more ______ land then there is now |
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Term
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Definition
| ___________ connected some islands and continents |
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