人教课标高二必修5Unit11
Togetsomeinformationaboutsomefamousscientists2
TounderstandthepassageJohnSnowdefeats“KingCholera”3
TosummarisethemainideaandretellthestagesforJohnSnow’sresearch4
ToknowhowtoprotectpeoplefrominfectiousdiseasesTherearesomegreatscientificachievementsthathavechangedtheworld
Canyounamesomeofthem
Whatdoyouknowaboutgreatscientists
Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat
anancientGreekmathematician&physicistArchimedes(287-212BC)Archimedes’principle阿基米德定律(浮力)Levers(杠杆)Hisgreatfindings:Givemeaplacetostand,andIshallmovetheworld
——ArchimedesIfyouputanobjectintowaterthewaterpushestheobjectup
Itrisesandpartlyfloats
Theforceofthewaterpushingitupisthesameastheweightoftheobject
Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged
TheOri