人教版高一英语课件：unit16 Period 3.ppt

unit16scintistsatwork period3 let sstudy task1 gooverthetext franklin sfamouskiteexperiment 一 usefulphrasesinthetextanumberofexperimentsdoanexperimentflyhighintherainyskyget becomechargedagreatdealofbemadeof fromfix fasten tie toprotect fromtakecarethat whenihadrealizedthaticoulduseakite 二 explanationofsomesentences 1 benjaminfranklinconductedanumberofexperimentsin heshowed electricityis 2 hereis hedescribedoneofhisexperiments 3 havingrealized icoulduseakitetoattractlightening idecidedtodoanexperiment which what how that thefirstthunderstormcame itookmycondensertoashedinthefield icoulddomyexperiment iwasbeginningtothink theexperimentwouldnotwork othersfollowedevenbeforethewholestringwaswet andiwasabletocollectandstoreagreatdealofelectricityinthecondenser theexperimentprovesthatlighteningandelectricityarethesame when where that and task2 wordstudy readthetextagainandtickthesentencescontainingthewords charge conduct cross sharp tearandtie 1 intheeighteenthcentury benjaminfranklinconductedanumberofexperimentsinwhichheshowedwhatelectricityis 2 thestringwasgettingcharged 3 mostkitesaremadeofpaper butakitemadeofsilkwillnottearsosooninweatherwithrainandstrongwinds 4 buildtheframeofthekitebymakingasmallcrossoftwopiecesoflightwood 5 third tieasilkribbontostring justabovethekey 6 fixaverysharppieceofmetaltothetopofthelongerstickofthecross task3 wordformation compounds compoundsaremainlynounsoradjectivesthataremadeupofatleasttwoparts thesepartscanbeothernouns adjectivesorprepositions canyouguessthefollowingwords 1 part1 partofthebodyusedwhenwewalkpart2 aroundthingtoplaywithpart1 part2 answer football2 part1 somethingweputonourfeetpart2 athingpieceofropepart1 part2 answer shoestring 3 part1 wateroftendegreesbelowzeropart2 amedicinetoputonyourskinpart1 part2 answer icecream4 part1 thecolourofmostleavesinspringpart2 theplacewherethefamilylivepart1 part2 answer greenhouse 5 part1 oppositeofuppart2 asmallcitypart1 part2 answer downtown6 part1 smallerthantheoceanpart2 allthethingsweeatpart1 part2 answer seafood 7 part1 somethingyoudoinyourfreetimepart2 whatisunderyourfeetpart1 part2 answer playground8 part1 thewayintoaparkoryardpart2 someonekeepingortakingcareofsomethingpart1 part2 answer gatekeeper 9 part1 theoppositeofwhitepart2 aflatandsmoothpieceofwoodpart1 part2 answer blackboard10 part1 apieceoffurniturewithfourlegspart2 agameplayedbyhittingasmallballoverane