October 7, 2009 U2-L3 DRILL 1.Using your “Employment by Sectors” graph, in approximately what year did industrial employment reach its peak? 2.Based on the graph, what has been the general trend in employment in the agricultural sector? 3.What are two ways that using a rubric can improve your performance in class? Down

The History of Technology Knowledge of the history of technology helps people understand the world around them by seeing how people of all times and places have increased their capability by using their unique skills to innovate, improvise, and invent. U2-L3

People of all times and places have increased their capability by? –Innovating – to do something in a new way; to make changes (refer to handout). –Improvising – to make or fabricate out of what is conveniently at hand –Inventing – to devise, for the first time, by thinking What role does technology play in the way people live, work, and produce things? HISTORY and TECHNOLOGY U2-L3

Use of fire Unpolished stone tools Sculpture Musical instruments Burial of the dead Cave dwellings Cave paintings Stone axes Bone needles Hearth sites Temporary site of ancient hunters. Stone implements used as tools. HOW DID IT CHANGE LIVES? U2-L3 PALEOLITHIC AGE

Microliths Sails Wheel and axle Leatherwork Basketry Fishing tackle Stone axes Canoes Bows Domesticated animals Stone circles Sickles Use of natural materials to create baskets HOW DID IT CHANGE LIVES? U2-L3 MESOLITHIC AGE

HOW DID IT CHANGE LIVES? U2-L3 NEOLITHIC AGE 1.Stone and mud brick dwellings 2.Pottery 3.Polished stone tools 4.Spinning and weaving tools 5.Wooden and stone plows Painted pottery basin

HOW DID IT CHANGE LIVES? U2-L3 BRONZE AGE Metal pots and pans Pottery wheel Chariot Pulley Metal jewelry Metal tools Metal weapons Bronze Age palstave axe and spear.

HOW DID IT CHANGE LIVES? U2-L3 IRON AGE Block and tackle Pump Lathe Iron dagger Iron chisel Iron axe Iron spearhead An illustration of a typical Iron Age farmhouse

HOW DID IT CHANGE LIVES? U2-L3 MIDDLE AGES Waterwheel Windmill Cannon Mechanical clock Wheeled plow Horseshoes Stirrups Crank Compass Ocean-going ships Waterwheel used to power machines

HOW DID IT CHANGE LIVES? U2-L3 RENAISSANCE Telescope Microscope Thermometer Barometer Printing press Rifle This is the telescope that Galileo created in 1601

HOW DID IT CHANGE LIVES? U2-L3 INDUSTRIAL AGE Steam engine Electricity Automobile Airplane Radio Television Telephone Rocket Rockets sending satellites to orbit Earth.

HOW DID IT CHANGE LIVES? U2-L3 INFORMATION AGE Transistor Integrated circuit Computer Communication satellites Digital photography Artificial heart Nuclear power plants Space shuttle Artificial Heart

U2-L3 HOMEWORK Interview an older family member about the most significant technological advancement in their lives. Why do they say this is the most important technological advancement? What would life be like without it?