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Across 1. Common era 3. before common era 5. a place where human activity occurred and material remains were deposited. 6. the oldest human alive 7. the systematic digging and recording of an archaeological site. 8. a man from caveman time found in snow 11. an arrangement of events in the order in which they occurred. 12. old objects 15. an excavation layer, which may correspond to natural strata. Levels are numbered from the top to bottom of the excavation unit, with the uppermost level being Level 1. 16. the layering of deposits in archaeological sites. Cultural remains and natural sediments become buried over time, forming strata.

Down 2. scientific studies designed to discover processes that produced and/or modified artifacts and sites. 4. a systematic arrangement in groups or categories according to criteria. 5. artifacts that are found together and that presumably were used at the same time or for similar or related tasks. 9. the process of studying and classifying artifacts, usually conducted in a laboratory after excavation has been completed. 10. many layers of earth or levels in an archaeological site (singular stratum). Stratigraphy 13. An old Roman city destroyed by volcano 14. a place where human activity occurred and material remains were deposited.