Unit8 I love nature Understanding cultures Time on教育教学资料.pptx

Ilovenature!Unit8UnderstandingculturesTimeontheearth

LearningobjectivesInthislesson,wewillbeableto:Understandthelonghistoryoftheearthandtherelativetimeofhumanappearancethroughreadingcomprehension.Discussandexpressviewsontherelationshipbetweentheearthandhumans,aswellaswhatwecandotoprotecttheearth.Beawareofendangeredanimalsandintroducewaystoprotectnature,understandingtheconceptofharmonybetweennatureandhumans.

1Readthepassageandwritetrue(T)orfalse(F).Ourplanetisabout4.6billionyearsold.Accordingtothelatestresearch,humansappearedonly2.5millionyearsago.Ifweshortenthisintooneday,humansappearedinthelasttwominutes.Howdidthathappen?Midnightontheearthstartedwithaburstofvolcanoes.Around3to4a.m.,lifeappearedatthebottomoftheoceans.At6p.m.,waterandsunlightbegantoprovideenergyforlife.Allkindsofplantsstartedtogrow.At9p.m.,theearthgavebirthtodifferentcreatures.At11:30p.m.,dinosaursappeared.Theywereoneofthelargestcreaturesinthehistoryoftheearth.Thelast20minutesofthedaywasthe“busiest”time:aftertheageofdinosaurs,itwastheageofallkindsofanimals,includinghumans.

1Readthepassageandwritetrue(T)orfalse(F).ATheearthhasalonghistory.（）BDinosaursarrivedlastontheearth.（）TF

2Readthepassageagainandcompletethetable.TimeWhathappenedmidnightburstofvolcanoesaround3to4a.m.lifeappearedat6p.m.waterandsunlightbegantoprovideenergy;plantsstartedtogrowat9p.m.Theearthgavebirthtodifferentcreaturesat11:30p.m.dinosaursappearedlast20minutesItwastheageofallkindsofanimals,includinghumans

3Workinpairs.Discussthequestions.AWhat’stherelationshipbetweentheearthandhumans?BWhatwillhappentotheworldinthefuture?CWhatwillyoudotoprotecttheearth?

4Do