HUCNG DAN QUAN LI SUDUNG Sljr DUNG Sd DO TU DUY Oi DAY HOC CAC BAI THUC HANH HOA HOC HOU CO l6P 11 ThS L^ Huy Hodng; ThS Trdn Thj Ngpc Anh Truang Dgi hgc Dong Thdp So dd Ur duy (SDTD) cdn ggi la ban d[.]
HUCNG DAN QUAN LI SUDUNG Sljr DUNG Sd DO TU DUY Oi DAY HOC CAC BAI THUC HANH HOA HOC HOU CO l6P 11 ThS L^ Huy Hodng; ThS Trdn Thj Ngpc Anh Truang Dgi hgc Dong Thdp S o dd Ur (SDTD) dd ldm ban tudng trirdi thi cdn ggi la ban tu nghifm GV sii dyng SDTD duy, luge dd tu de minh hpa va tdng kit ket la mpt hinh thdc ghi qud thyc hanh chep su dyng mau sac, hinh Vai trd cua stf tir anh de md rpng va dao sau d^y hgc hoa hpc cac y tudng, dugc xay dyng SDTD giup cho GV hpa va phat triln bdi tdc gid Tony hoc thiet ke bai giang, sap Buzan Sir dyng SDTD ttong xep cac y tudng theo mgt day hgc la mpt ky thugt day tririh ty logic, tryc quan, hf hgc tich cue giup giao vien thpng fren ca sd myc tieu, (GV) chu dpng, Imh hoat, kien thiic frgng tam cua bdi tiet kiem thdi gian ttong hgc Giiip GV cdp nhat kidn vifc thiet ke bai day, truyen thuc mpt each de dang vd dat kien thiic mdi, cimg cd nhanh chdng kien thiic bai hpc, tdng hgp Npi dung bai hpcfrenldp kien thuc chuang, cau tnic dugc td chirc thyc hien qua va phan loai cac y tudng , SDTD khdng nhung the hifn hinh cho hpc sinh (HS) kien thuc hda hgc ma cdn cho phuong phap ty hgc hifu thay mdi quan he giua cac qua, phat huy toi da tinh sang kien thiic Do la mpt cdng cu tgo,^ kha nang tu duy, nang ghi nhd tdi uu, giup trinh bay Idiieu hpi hga, ddng thdi tgo bdi giang mpt each he thdng tam li thoai mai, kich thich Giiip HS cd cdi nhin tdng hiing thli hgc tap cua HS quat ve npi dung bai hgc SDTD tang cudng hoat Hda hgc la mdn khoa hgc vda ly thuyet vua thyc dpng tich cyc cua moi HS nghifm, dd cdc gid thuc thdng qua sy hudng dan ciia hanh cd mpt vi tri dac biet GV cho HS tir hpc theo SDTD quanttgngttongchuang trinh va d miic dp cao han nlia, HS phd thdng Hien nay, chuang cd thetillyc xdy dung SDTD trinh sach giao khoa mdi da theo cac muc tieu ciia bai hgc chii ttpng va tang cudng gid da dugc vach san thyc hanh cho HS De cac Quy trinh lap SDTD gid hoc thyc hanh dat ket day hoc cdc bai thvc qua tdt, vifc chuan bj d nha hanh hoa hgc cua HS la rat cdn thilt GV - Buac 1: Xac dinh tii yeu cdu HS thilt kl SDTD khda cua SDTD, cd the la ten cho bai thyc hanh trudc bai thyc hanh len ldp Khi thyc hanh, HS - Buac 2: Xdc dinh cac diln hien tugng va giai thich nhanh chinh cua SDTD, la vao SDTD, sir dung SDTD cdc phdn kiln thiic chmh, cd the Id: hda chat, dyng cu, sa thi nghiem each tien hanh, hifn tugng, giai thich, Mdi mpt ddng ciia SDTD tuang ling vdi mpt tii khda Trong timg nhdnh chinh cd the chia thdnh timg nhanh nhd hon _ - Buac 3: Thiet lap mdi lien hf giiia cac nhanh Chu y: Ludn su dung cac mdu sac vi mau sac cd tac dung kich thich nao nhu hinh anh; Dimg cachinhdnh hda hgc xuyen sudt dd tgo hiing thii cho HS ttong qua trinh hpc tap nhu hinh ve cau tnic phantii,thi nghidm, iing dung, Hoat dpng day va hoc vdi SDTD cdc bai thyc hanh hda hgc hun co Buac L Chudn bi Chudn bi cua GV yd HS la yeu td quyet dinh den chat lugng va sy cdng cua tiet thyc hanh * Chuan bi ciia GV GV xac dinh muc tieu bdi hpc, lua chgn phuang phap va phuofng tifn dgy hpc phil hgp vdi npi dung cua bai, sau thiet ke ^iao an bang SDTD vdi sy hd ttg cua cdc phan mem tin hgc nhu Mindjet MindManager, Concept Draw.Mindmap Pro.v5.2.2, e'MindMap_4.0 (Hinh 1) , * Chudn bi cua HS: Trudc cac budi thuc hanh, GV yeu cau cac nhdm HS (mdi nhdm tir 6-8 em) lap Ngdy nhgn bdi 23/01/2013; N^Ay duvp.t ddnp 25/02/2013 TAP CHITHIFT 81 GIAO DUC-SO 91-03/2013 • 31 HUONG DAN QUAN LI SUDUNG Hinh Cdu true chimg ticn lrinh day hgc hdi thuc hdnh hdng SDTD m Hinh Sa tu bdi 28 - Hoa hgc lap 11 mpt SDTD bai thuc hanh cho Mpt tiet thyc hanh hda tiet hgc thyc hanh do, vdi tu hgc thong thudng cd mgt sd khda la npi dung^ chinh ciia hoat dpng nhu sau: bai thuc hanh Moi HS Hoat dpng 1: Hoat dpng nhdm se phu trach mpt mang khdi dpng ciia npi dung chinh tuang GV neu muc tieu cua gid ling vdi mpt nhanh chinh cua thyc hanh, npi dtmg cac thi SDTD, thiet lap moi lien he nghifm, phan chia cac nhdm cua npi dung kien thuc minh thyc hanh (mdi nhdm ttr phu trach vdi cac nhanh npi den HS) va yeu cau HS dung kien thuc khac thyc hien gid hpc nghiem SDTD tlic, tuan thti cac npi qui GV khuyin khich HS phdng thi nghiem, dam bao phat huy _tdi da su san^ tao, tuyet ddi an toan, ty giac lam nang khieu hpi hga, ket hop viec ca nhan va ttao ddi phdi sir dung nhieu mau sac^ hinh hgp frong nhdm anh minh hpa lam ndi bat HS nghe, hieu muc dich, kiln thijc trgng tam, thu hut cac yeu cau ciia gid hgc va dugc sy chii j , giiip ngudi nhan cac nhdm hgc tap ciia dgc di nhd, de lien tudng minh Buac To chirc hogt Hoat dpng 2: Kiem fra su dong dgy vd hoc tren l&p chuan bi cua HS 32 • TAP CHI THIFFBI GIAO DUC-SO 91-03/2013 GV ggi tiing nhdm HS len trinh bay klt_qud ve SDTD da chudn bi sin d nha Hoat dpng 3: Hoat dpng tien hanh thi nghiem Cdc nhdm HS tien hanh thi nghifm va hoan thien SDTD cua timg nhdm Hoat dgng 4: Hogt dpng ket thuc gid thyc hanh GV cho tirng nhdm bdo cao ngan ggn ve ket qud hogt dpng cua nhdm qua SDTD Cac nhdm nhan xet lln GV nhgn xet qua SDTD ma GV da chuan hi tnrdc Vi du: day bai thyc hanh "Phan tich dinh tinh nguyen td, dieu che va tinh chat oia metan" (SGK Hda hoc ldp 11) Hoat dpng 1: Hogt dpng khdi dpng GV neu muc tieu bai thi nghiem: HS can dat dugc cac muc tieu sau hodn thi nghiem: - Phan tich dinh tinh cdc nguyen to C vaH - Dieu che va thu metan - Dot chay metan - Dan metan vao dung dich thudc tim GV: chia ldp cac nhdm nhu da phan cdng trudc Hoat dpng 2: Kilm tta sir chuan bj cua HS Cac nhdm HS tiln hdnh thi nghiem vd hoan tiiien SDTD ciia tiing nhdm Hoat dpng 3: Hoat dpng tien hanh thi nghifm Cac nhdm HS tiln hanh thi nghiem va hoan thifn SDTD ciia tumg nhdm Hoat dpng 4: Hoat ddng kit thuc gid thyc hanh HUONG DAN QUAN LI SU DUNG Cac nhdm lan lugt bao cao ket qud thi nghifm qua SDTD, GV tdng kit thdng qua SDTD da thiet kl sin Ien man chilu Kit lu^n GV su dyng SDTD day hpc se cung cap cho HS cd cai nhin tdng quat vl vdn dl dang hgc t£^ Thdng qua SDTD cdc em ty thilt kd cd the danh gid dugc iniic dp ty hoc tap, mure dp hieu biet va nam b^t van de d mdc dp nao, GV cd die nhanh chdng dieu chinh cho phu hgp Ngoai vifc diilt ke SDTD cho cac bai 1hi^ hanh, GV cdn cd the thilt ke cac Mi luyfn t ^ GV cd the hirdng ddn HS 1^ SDTD eho bai mdi, ghi chep kien ihiic tren ldp, dn tap thi cir, ^ ke hoach ca n h ^ minh hga cac y tirdng cua ca nhan Sii dung SDTD ttong day hgc that Tony Buzan, Sa tu sy la ddi mdi phuong p h ^ day duy, NXB Tong hgp TP Hd Chi hgc, gdp phan nang cao hifu Minh, 2008 qud dgy hgc hda hgc ndi rieng va cac mdn hgc khac, gdp phan Summary nang cao nang lyc nhan thiic IMindMap huge role in cuaHS teaching chemistry, especially the exercises IMindMap in teaching chemistry to Tdi lifu tham khao Tran Dinh Chau, Dgng help lectures become more Thi Thu Thiiy Dgy lot - hgc intuitive, more scientific and tot cdc mdn hgc bdng bdn tu logic Instmctional practices duy, NXB Giao dye Vift Nam, to help students IMindMap to maximize the ability to think, 2011 Nguyen Xudn Trudng, to create, and stimulate the tdng chil bien, Sdch gido khoa imagination, inspire students Hoa hgc II, NXB Gido due to bring positive results in teaching chemistry In this 2007 PGS.TS Nguyin Thj Sim article we introduce you how to (Chu bien), TS Le Van Nam, build and use IMindMap from Phuang phdp dgy hgc hoa hgc, advanced exercise class taught NXB Khoa hoc va ky thuat, organic chemistry 11 2009 KHAM PHA DirdNG CYCLOID , Mpt s6 tinh chdt cua dvdng cycloid \k astroid Vi dv ^ Chi rang difn tich xdc dinh bdi mdt cung ciia dudng cycloid bang ba ldn difn tich cua dudng ttdn lan That vdy, mpt cung dugc xdc dinh dudng ttdn chuyen dpng dung mpt vdng trdn xoay Vi vgy sit dung tich phdn tinh dif n tich vdi tham sd la tham sd bifn lay tich phdn A=Jydx = J y | i = Ja(l-cos6) aO - cosewe = J a^a - cose)^de = a^ J a - 2cose + cos^ e)de 2Jt 1= = a^JO + cos^e>de = a^J"d6 + ° ° a^ J - (1 + cos 2e)de ^ 3jta^ Vi du Xet dudng thang tiep xuc vdi dudng asttoid tgi diem P ttong gde phan tu thii nhat Chi rang dogn thang dugc tgo bdi tiep tuyen cat bdi cdc true tga dp cd dp ddi khdng ddi, khdng phy thupc vao vi tri cua P That vdy, tu phuang trinh x = acos^G, y = asin^9, hf so gde cua tilp tuyen Id (liep trang 30) bdi cac tryc tga cd dp ddi la V^cos^ + a^sin^ ^ a la hang sd Tren day la mdt sd khdm phd xoay quanh cdc dudng cycloid vd hypocycloid Bdi viet ndy can trao ddi gi thera? Mong dugc su chia se ciia cdc ban Tai lifu tham khao George F Simmons, Gidi tich mgt bien so, Gido y' = -i- = = - tan6 trinh trudng Dai hpc Thiiy lpi Phgm Thanh Phuong, dx -3asinecos^ede Nen phuomg trinh ciia tilp Dgy vd hgc todn vai phdn mem Cabri, tdpl Hinh hoc tuyin Id y - asin^G = -tan9(xphang, NXBGD, 2006 acos^O) Summary Chiing ta tun giao vdi ttyc This article will explore Ox bdng each cho y = vatimX to the cycloid, hypocycloid x = acos'6 + asm^ecos9 = acos9 and some their Tuong ty, giao vditi-ycOy curves Id y = asinG Vi vay dogn tiidng properties by the aid of Cabri dugc tgo bdi tiep tuyen cat interactive software TAP CHI THIET BI GIAO DUC-SO 91-03/2013 • 3 ... cdc mdn hgc bdng bdn tu logic Instmctional practices duy, NXB Giao dye Vift Nam, to help students IMindMap to maximize the ability to think, 2 011 Nguyen Xudn Trudng, to create, and stimulate the... bai thyc hanh "Phan tich dinh tinh nguyen td, dieu che va tinh chat oia metan" (SGK Hda hoc ldp 11) Hoat dpng 1: Hogt dpng khdi dpng GV neu muc tieu bai thi nghiem: HS can dat dugc cac muc tieu... tirdng cua ca nhan Sii dung SDTD ttong day hgc that Tony Buzan, Sa tu sy la ddi mdi phuong p h ^ day duy, NXB Tong hgp TP Hd Chi hgc, gdp phan nang cao hifu Minh, 2008 qud dgy hgc hda hgc ndi rieng