Day 2 - Prehist - 1 2 PREHISTORIC TOOLS AND TECHNOLOGIES...

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1 1 PREHISTORIC TOOLS AND TECHNOLOGIES 2 Prehistoric period difficult - no specific dates, inventors’ names; pace of development uneven across cultures; organic material not usually preserved. But important - huge time period. Evidence from archaeological digs; physical, chemical & biological analysis of artifacts; modern reconstructions. 3 Animals using tools (contrary to earlier ideas of “man the tool user” as unique) - chimpanzees, other apes, otters, more . 4 Stone tools - “lithics” - Africa 2.4 million years ago; later in Middle East, India, Asia, Americas 5 Early chopping stone 6 “Knapping” stone flakes - creates “core tools” 7 Hand-axes 8 Flint Obsidian (volcanic glass) 9 “Percussion flaking” and “pressure flaking” 10 Flake tools
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2 blades 11 Points - spear, arrowhead 12 Specialized tools - scrapers 13 Upper Paleolithic tools (40,000 to 10,000 years ago) - bone, antlers, ivory, wood - knowledge & skills formalized (regular shapes, room for
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