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NGHIEN CCrU & CTNQ D U N G II TRONG DAY HOC VAT Ll 6 TRl/dNG PHO THONG PGS TS Nguyen Xudn Thdnh, Tmdng Dai hoc SUpham Hd Not ThS Hodng Minh TUa''''n, TrUdng THPT Yen Lac, Vinh PhUc I Dat van de Yeu eau d[.]
NGHIEN CCrU & CTNQ D U N G II TRONG DAY HOC VAT Ll TRl/dNG PHO THONG PGS.TS Nguyen Xudn Thdnh, Tmdng Dai hoc SUpham Hd Not ThS Hodng Minh TUa'n, TrUdng THPT Yen Lac, Vinh PhUc I Dat van de Yeu eau ddi mdi phflong phip dgy hpc vat 11 hifn gin lien vdi ddi mdi thiet bj thi nghifm v i phfldng phip sfl dyng thi nghifm dgy hpc vat li Trong nhflng nam qua, mac dfl tat e i cic trfldng phd thdng eua nflde ta da dfl(?e trang bj day du eie thiet bj thi nghifm theo Danh muc thiet bj dgy hpe tdi thieu cua Bd Giio due v i Dio tgo nhflng hifu qua sfl dyng chung van cdn nhieu hgn ehe Cd mdt sd nguyen nhin chinh nhfl sau: nghifm dgy hpc vgt li d trfldng phd thdng II Cac giai phap n h i m nang cao chat lU^ng sfl dung thi nghifm day hoc vat li Ning cao chat lUdng cua thiet bi thi nghifm De cd the ning cao chat Iflpfng sfl dyng thi nghifm dgy hpe, trfldc het can phii ning cap chat Iflp'ng cua thiet bj Mudn viy, ben cgnh vifc nghien cflu de thiet ke eie bd thi nghifm phu hop vdi yeu eau ddi mdi ve phflong phip dgy hpc can phii nghien cflu Nang lfle thi nghiem de hoin thifn quy trinh sin eua GV cdn han ehe ci ve ki xuat vi kiem tra chat Ifldng sin thuit tien hinh thi nghifm lan pham Die biet li phii thdng phfldng phip sfl dung nhat dflp'e khudn mau de dim bio duoc tinh ddng bd cua thiet dgy hpe Bin thin thiet bj edn hgn bj nham dim bio tinh tham mi, ehe ve chat Ifldng v i nang dp ehinh xie, dp ben vflng v i hd trgf hogt ddng nhan thfle eua nang thay the, sfla chfla Y tfldng dd dvigc chung tdi thfle HS theo phflong phip mdi hifn Dfl in sin xuat thfl - Dieu kifn de sfl dung thi nghifm cdn hgn che: ve thdi nghifm cap Bp Dfldi diy li vi gian chuan bj, dia diem khdng du ve hai bp thi nghifm dang phu hofp, thieu phdng hpc bp dfldc sin xuat (hinh vi hinh mdn hogc trang thiet bj 2).' phdng hpc bd mdn khdng phu hdp Tfl thfle te neu tren, bii bio niy, ehung tdi trinh biy mdt sd ndi dung nham ning Hinh 1: Bp thi nghiem cao chat Ifldng sfl dung thi Kenh song nu&c :>:! BOWiNGHlfMBtC-NU-U Hlnh 2: Bp thi nghidm Dinh luat Bee nu li Ngoii eae bd thi nghifm vdi nhflng dyng eu truyen thdng, ngiy vifc sfl dung may vi tinh hd trd cic thi nghifm ndi chung va thi nghifm vit II ndi rieng da dfldc sfl dung phd bien Nhieu thi nghifm logi niy tfl cic hing tren the gidi da dflp'e nhip khau vio nflde ta nhfl bd thi nghifm Cobra cua Phywer - CHLB Dflc, Gassy eua Leybol CHLB Dflc, Addestation cua Singapore, GQY eua ThUOng Hii Trung Qude, ScienceCube eua Hin Qudc Cac bp thi nghifm logi niy deu cd mdt nguyen tic ehung li sfl dyng cic cim bien de cae thdng sd vat II vi sd Ufy dflde xfl \i bang eie phan mem miy tinh Tuy nhien, gii thinh nhip khau eao nen sd trfldng dfldc trang bj cic bd thi nghifm logi niy edn it Ngoii ra, vifc sfl dung cua GV vi HS edn gap nhieu khd khan Nhdn bdi ngdy 2/1/2012 TAP CHi THlft^BI GIAO DUC-S6 78-2/2012 • II NGHIEN CCrU & CTNG DUNG giao difn cua phan mem bing tieng Anh Vi vgy, chung ta chfla san xuat dflpc eac cim bien (sensor) va bp ghep ndi (interlace) d nfldc thi can phii nang cao dflp'e ty If "npi dia hoa" theo hfldng sau: Nhgp khiu cam bien vi bp ghep ndi vdi phan mem giao difn tieng Vift (Hinh 3) #iit •*^^^^Br ^ K Hmh 3: Bp ihi nghidm GQY v&i giao difn tieng Hft - Sfl dyng cic thiet bj thi nghiem cd san hogc che tgo mdi de ghep ndi vdi miy tinh thdng qua cic eim bien (Hinh 4) Hinh 4: Bp thi nghifm ve cdc dfnh lugt chat sir ditng v&i cdm bien va mdy tinh Song song vdi qua trinh dd, cin phii dau tfl nghien cflu de che tgo dflp(e cic cim bien vi bp ghep ndi nflde, mang thfldng hifu Vift Nam Hifn chung tdi dang hg'p tie vdi mpt sd n h i khoa hpc Iinh vflc difn tfl tin hpe de thfle hifn mye tieu dd Ddi mdi phfldng phap bdi dfldng GV vc ki nang sfl dung thi nghifm dial lfl(?ng sfl dyng thi nj^hifm lrong day hpc phy thudc hoin toan vio nang luV thi n^hivm cua dpi ngu (IV Bdi viy, chi cd cac bp thi nghifm tdt chfla dii m i dieu quan trpng nhat li phai dio tao dfldc mpt dpi ngu GV cd chit Ifldng cao, cd ky nang sfl dyng thi nghifm dgy hpc tdt Mudn vgy, chiing ta can phii ddi mdi phUdng phap dao tao va bdi dudng GV theo hudng tiing eudng hogt dpng tfl hpe, tu bdi difdng bang eich phat trien ngudn tU lifu difn tfl dinh cho GV vi HS Theo hUdng dd, chung tdi d i tien hinh xiy dung phan mem md phdng cic bp thi nghifm gidng nhu thi nghifm that, nghia li cd hinh anh vi cd the thao tic eie bUdc tien hinh thi nghifm tren miy tinh tUdng tU nhU thao tic tren bp thi nghifm thit de GV vi HS luyfn tgp (Hinh 5) TU cic phan mem dd, cd the xiy dflng cic giio trinh difn tfl de hfldng dan cho GV khdng chi ve mgt kl thugt tien hinh thi nghifm m i cdn ve phfldng phip sfl dyng chflng dgy hpc (Hinh 6) —1—I—1 L ' • ' ' • • ' • ' r a — * " '"'-^"JMi Hinh 5: Phan mem mo phong bp thi nghifm Mo men qudn tinh ciia v^t ran 10 • TAP CHi THI^BI GIAO DUC-S6 78-2/2012 IMMs