Archimedes   287—212 B.C.   Syracuse, Sicily   Greek mathematician, astronomer, philosopher, physicist and engineer   Designed war engines to defend Syracuse against Roman siege in Punic Wars   Could move fully loaded ship by pulling one rope   Discovered principles of density and buoyancy while taking a bath   Invented irrigation device called Archimedes’ screw   Invented numeral system write numbers up to 1064   His calculations precursors to integral calculus   Calculated what would be known as pi   First known calculation of a geometric series   First mathematical physicist   Principles of buoyancy, lever, equilibrium, center of gravity   Constructed sky maps and planetariums

MEMORY TRIGGERS   Greek__________________________________   _______________________________________   Syracuse________________________________   _______________________________________   Mathematician___________________________   _______________________________________   War engines_____________________________   _______________________________________   Punic Wars______________________________   _______________________________________   Density and buoyancy_____________________   _______________________________________   Screw__________________________________   _______________________________________   Numeral system__________________________   _______________________________________   Pi_____________________________________   _______________________________________   Equilibrium_____________________________   _______________________________________   Center of gravity_________________________   _______________________________________   Planetarium_____________________________   _______________________________________