Tap chi Kboa bpc DHQGHN Nghien cihi Giao due T|p 30 So 3 (2014) 12 21 Day hoc theo goc kieu khac noi dung kien thuc, khac phong each hoc va nhung ket qua thu dugc Phimg Viet Hai^*, Do Huong Tra" ^Truc[.]
Tap chi Kboa bpc DHQGHN: Nghien cihi Giao due T|p 30 So (2014) 12-21 Day hoc theo goc kieu khac noi dung kien thuc, khac phong each hoc va nhung ket qua thu dugc Phimg Viet Hai^*, Do Huong Tra" ^Trucmg Bgi hgc Tdy Nguyen, so 567 Le Duan, Tp Buon Ma Thugt, Tinh D6k Ldk, Viet Nam 'Trudng Dgi hoc Sir phiim Ha Ngi so 136, Xudn Thdy, CduGid}' Ha Ngi, Viet Nam Nhan nga) 22 thing nam 2014 Chmb sua 29 thing nam 2014: chap nhan dang 29 tbang n ^ 2014 Tom t i t : Hien nay, viec i p dung phirong phip day hpc theo Goc (DHTG) mon Vat li a b|c THPT chu yeu tiieo kieu cimg noi dung kien thuc, khac phong each bgc tap do it nhieu ciing tao su "dbn dieu lap laT v e ngi dung, dong thai kho dam bao ve mat thai gian tiet bgc Bai bao trinh bay viec n ^ e n ciiu ap dung DHTG kieu khac noi dung kien thiie khac phong caeb hgc day hgc npi dung "Mie cic nguon dien bg", V i t If, Lop 11 (nang cao) Cac ket qua thu dutrc chung to DHTG k b ^ g nhihig dam bio cho bgc sinh (HS) co tbi hgc sau kiln th&c ma hinh va phit trien dugc cac ki nang va thu boe tap mon Vat li, dap iing tdt muc tieu day bpc huong phit trien nang luc cho h g c s b b m a d d i moi giio due phd thong sau 2015 dang huong toi Tir kboa Day hgc theo goc, khic noi dung kien thiic, hgc sau {>at van de Quan diem doi moi \ e giao due thong nirm: ta thai gian tai ia chuyen manh tir day hoc trang bj kien thirc sang day hpc phat trien nang lire cho (HS) Tbeo do, cac phirong phap cac ki ihuai day hpc mai tich circ dugc tang cuang su dung qua trinh day \ a hpc Phuong phap DHTG vtji nhilu iru dilm: HS dirpc tir lira chon each thirc thuc hien nhiem vu de ^ a i quylt vSn de bai hoc dat theo cac p h o n g each hpc t a p khac cua ban than, tir tiep tbu dugc kien thuc kl nang mdi giup cho viec hoc san, h o c ben \ i n i g : ddng thoi hinh t h m h va ren luyen dugc cac Id n a n g m i m n h u (giai quyet van de, lam viec nhom, ihuylt ' Tie gia Beo be DT: R4-983868055 Email: vietliai8090^gniaiLconi trinh, SU dung ngon ng& ) Vi the no da va dang dugc nghien cuu va ung dung kha da dang o trutmg thong thai gian qua Nghien cmi ca ve li luan [ I , 2] va thuc tien ap dung D H T G hien a thong, chiing toi thay rang: viec van dung phucmg phap mon Vat li mai chi thuc hien theo kieu cimg ngi dtmg kien thuc, khdc phong cdch hgc (trang bdi bdo goi la kieu K-l) D o do, viec van dung it nhieu c i i i ^ hi anh hirong bai s u ^'dan dieu, lap lap' ve npi dung kien thirc Ben canh do, da so cac giao vien (GV) to chuc day hgc d i u kho dam bao ve mat thai gian tiet hoc quy dinh Day c u i ^ la nguyen nhan trirc tiep khien DHTG c h u a dugc ap dung mpt each ph6 bien nhu ki vgng cua cac nha quan Ii ciia cac GV Theo kit qua n ^ e n cihi ciia nhom tac gia PhiJng Viet Hai, m H u o n g Tra [ , ] D H T G cac kiln tiiirc Vat li khong chi dirge van dung theo kieu K - l , P I Hai D.H Tra / Tgp chi Khoa hgc DHQGHN: Nghien am Gido due Tdp 30 So (2014) 12-21 ma co thi van dung day khdc ngi dung kiin thirc, khac phong cdch hgc (ggi Id kiiu K-2) ho^c day cac kien thuc V^t li hudng din mgt chu de (ggi Id kieu K-3) Tuy nhien, cac kit qua mai dirng o miic d6 li thuylt ma chua co su kilm nghiem vl mat diuc nghiem day hgc Do viec nghien ciru, img dung DHTG kilu K-2 vao thuc tien day hpc Vat li a tnrong ph6 thdng de tir khing djnh tinh khoa hpc va hieu qua ciia no la rat can thiet thuc tiln v^n dung DHTG hien a nuac ta Ket qua nghien cihi v^ ban lu^n 2.1 Mo hinh thiet ke goc kieu K-2 (khac ngi dung kien time, khdc phong cdch hgc) Theo [3], cac kifin thuc van dung DHTG kieu K-2 can dam b^o tinh dpc lap cau true hinh ciia bai hpc, dugc the hien cu the qua Hinh Theo do, moi don vj kien thirc mai trien khai mgt g6c Icm (gpi 1^ goc Bit huge) moi goc Bat buoc se co vai goc nho (ggi la goc Ca sa) dugc xay dung theo kieu K-l de dam bao ve phong each hgc HS khong can phai trai qua het cac goc Ca sa tren Trong cimg mgt luc, GV CO thi 16 chirc de cac nhom HS co thi lira chpn mpt goc Co sd ciia cac goc Bat bupc (vi du tren Hinh I, HS co the chgn mgt cac goc Ca sd 1.1, 1.2, 1.3, l.n; 2.1, 2.2, 2.n) Tiiy theo yeu cau va thai gian, GV co the quy dinh HS thyc hien sd Goc ca sd timg gdc Bat bupc Tuy nhien, can phai dam bao HS se phai chon it nh^t mpt gdc Co sd mdi gdc Bat bupc, Ngoai ra, dfi dam bao yeu cau ve hpc sau, phii hpp nhip dp hoc tap mdi HS, GV cd the thilt ket them mot goc Ty chon (la sir vSn dung ciia kien ihiic mdi sau hoc - sau HS trai qua cac goc Bat huge) Npi dung cua gdc Tu chgn cd the la: giai mpt vai bai t$p (goc Bai lap), giai thich hien tugng Vat If (gdc Hien tucmg), giai thich nguyen li boat dOng ciia m^t may mdc, thiet hi, che tao mdt thiet hi dap iing mpt chirc nSng cu the (goc KT thuat) (net dirt bieu hiin su lu chgn goc hoc tap) e6c C o so 1-3 / - \ _/ goc C o s * l.n ^>^^ G6c B a t bapc ^-^ g6c C a scr 1-2 coc Ccr ~sa 1.1 ' G6c Bflt bD$c L goc CK3 sd 2-n Hinh Mo hinh thiet ke goc kieu K-2 -r g6c C o so 2.1 ^; ' goc C o so 2.2 P.r HalDH Tra Tgp chi Khoa hoc DHQGHN Nghien deu Giao dvc Tdp 30 S6 (2014j 12-21 Nhu vay, khac voi ap dung DHTG kieu K-l la chi day mpt dan vi kien thirc mdi bai hgc, kilu Id chiic K-2 cd thi ap dung cho mpt phin bai hpc hay toan bd bai hpc 2 Thiet ke nhiem vu cdc goc Nghien ciru muc Mac cac nguon dien th^nb b§ (bai 14 Dinh luat 6m vai cac loai mach dien Mac cac nguon dien bg - SGK Vat li Ldp 11-Nang cao), cd the thay ring: cac tieu muc a mac noi tiep, b mic xung ddi, c mac song song la ddc lap nhau, cd ciu diic xay dung kiln thuc tuong tu Con tiiu muc d mic hdn hop ddi xirng la he qua van dpng cac kien thirc sau HS da hgc xong tiiu muc a va b Mat khac, cac kiln thiic lieu muc a, b, c cd the hinh theo cac dudng khac nhau: van dung li thuyet da cd, tiln hanh thf nghiem, sijr dung phan mim md phdng hay su dung saeh giao khoa - Cam'2.1 Trai nghiem s S Q Goc BB 2: Mac xung doi 'cf sa 2.2 Ap dimg ^ illasa 2.3, Phan lich - Casa 1.1 Tiai nghiem Goc BB 1: Mic noi 'asa Apdrnig ' - C a m 1,3 Quan sat A Ca K" 3.1 Trai nghie m Tt Gdc BB 3: M i c song song Casa 3.2 Ap dung Casa 3.3 Quan sat Hinh Mo hinh cac goc phai Mac nguon b$ Tir nhiing phan tfch ti-en, cd the van dyng DHTG vao muc theo kieu K-2 Trong do, cac tieu muc a mac nhi tiep, b mic xung d6i, c mic song song lii cic goc Bit buflc (gdc Bit bupc 1,2^) Rieng tiiu muc d mac hdn hgp ddi xung dupc hoc sau da hpc xong cac tiiu mpc a,b,c (gdc cd thi td chiic thyc hien toan ldp hay theo nhdm) Cd the minh hga thiet ke cac Gdc kien thiic muc Mac cac nguon di^n b$ nhu Hinh 2: Nhiem vu cac gdc Trong ^6i ban bai bao, xin trinh bay thilt ke cac nhiem vu cac gdc Co sd (dudi dang cac phieu hgc tap) irng vdi gdc Bat huge (BB2) Mac xung doi Cac gdc Bat bupc cdn lai cung xay dung tuong tu p V Hai D H Trd / Tap chi Khoa hgc DHQGHN Nghien cim Gido dpc Tgp 30 S6 (2014) 12-21 Tin goc GdcBBl.Mic nSitiep G6eBB2.Mic xung doi G6c BB3 M i c song song Goc Casd Thiit bi, dd dUng Goc Trai nghifin(l.l) - pin lo^i 1,5 V; I gia lap pin; jack, dong hd dien van nang - bang phu, but long, phieu hpc tip goc Trai nghiem (1.1) Goc AD dunE{12) "**' bang phu, but long, phieu hoc t|p goc Ap dung (1.2) Goc Quan sat (1.3) - miy tinh cai phan mim Crocodile Physics 605, cac thi nghi?m (TX) ao d3 xay dimg; bang phu, biit 16ng, philu hgc tap goc Ap dung 1.3 G6cTrai nghiem (2.1) -Spinlo^i 1,5V; gii lap pin; 4jack ndi dien dai 40 cm,! dong hodo dien van nang; bang phu, but long, phieu hoc tap goc Trai nghiem (2.1) G6c Ap dung (2.2) ' G6c Pban tich (2.3) - Saeh giio khoa Vat li Lop 11 -Nang cao; bang phu, but long, phieu hgc tiip goc Phan tich (2.3) ^ ^_^ G6c Trai nghi|m (3.1) pin loai I,5V; gia lap pin; jack noi, I dong ho dien van nang - bang phu, but long, philu hgc tap goc Trii nghiem (3.1) ^ Sv • J „, „ Goc Quan J* sit (3.3) „, , ,,, x.-^ x ^ ^ ^ "' ^"^ ^ ^ • k A /I-.^ P ^°^ ^ ^^ * '" - 01 bang phu, but long, phieu hgc tap goc Ap dyng (3.2) - may tinb cai phan mem Crocodile Physics 605, TN ao da xay dimg ve : u* - Ji u ^ J - & mac nhieu nguon dien giong mac song song - bang phu, but long, phieu hgc tap goc Ap dung 3.3, phieu hd tro goc (3.3) Nhom: PHIEU HOC TAP Goc BB2'Mac xung doi Gdc 2.1 Trai nghi?m Muc tiSu: HS lam thi nghiem theo nhdm m^c nguon xung doi, tir riit bieu thiic moi lien he suat dien dong va di?n trd tuong duong cua nguon vdi cic suit di^n dpng v i dien tro moi nguon Thiet bj, d& diing ciia gdc: (di thiet lap phan tren) Phuong phap va hinh thiirc l^m viSc: nhdm Nhiem vu: - Do suit dien dgng (e,) va dien trcr (r,) cua mdi pin bing ddng hd dien ^ ^ 1^-^^- da nang Ghi lai ket qua - Dimg pin dS cho ghep vio gia lap pin (nhu hinh) de tao kieu mic xung ddi Do dien i p hai dau m^ch ngoai va dien tro tuong dirongciiabg pin (Chuy- dgt dong ho ve dirng che do, thang do) Ghi lgi kit qua - So sanh ve suit dien dgng va dien tro cac ket qua hai lan Nhan xet Kit qua va trinh biy: Ghi lgi cac kit qua dugc, bieu thiic mdi lien he va nhiin xet tren bang phu Trinh biy va bao vS ket qua tnrdc toan Idp P VHai D.H Trd Tgp chi Khoa lioc DHQGHN Nghien dm Gido due Tdp 30 S6 (2014) 12-21 Miom: PHIEL) HOC TAP Goc 1- Ap dyng Gdc BB2: Mic xung ddi Muc tieu: Tinh suit dien dgng v i dien tro ciia bd ngudn dien khic mac xung ddi bing viec v|n dung cic kien thiic da biet Thilt bi, dd diing cua gdc: Phucmg phip va hinh thiie lam viec: (da thilt lap phin tren) Lam viec nhom Nhiem vu: Xet doan mach di?n gom nhilu ngudn (e,, rO, (c:, ri) mac ndi tilp nhu hinh, (gia sii C; > ei) ei,ri e2,e^rj N'Vl: Tinh suit dien dgng tuong duong cua bg ngudn Cb theo cac suit dien dgng phan NV2: Tinh dien ird tuong duong cua nguon tbeo cic dien trcr r, (Hu&ng dan vi mat dien tro, moi nguon gdy mgi dien tra ri Nhgn xet ve sg ghep cdc tra lu linh dien tro luang duang cua bg nguon) Kit qua va trinh bay: Ghi lai ngan ggn cic nhiem vu tren phieu hgc tap vao bang phu Trinh bay va bao ve ket qua trudc loan ldp Nhom: PHIEU HOC TAP Gdc BB2: Mac xung ddi Goc Phan tich Muc tieu: Dgc saeh giao khoa de hoan phieu hgc tap tir rut mdi lien he cua suit dien dong va dien trd ciia bd ngudn dien Thiet bj, dimg cua goc: (da thiet lap phan tren) Phuong phap va hinh thuc lam viec: Lam viee c i nhan, nhdm Nliiem vu: Sir dung SGK mue 4b Mac xung ddi - bai 14 Dinh luat m vdi cic loai mach dien Mic cae i ^ o n dien bO dS ihirc hien cac nhiem vu sau: - Hai ngudn mac the nao ggi la mic xung ddi? Ve hinh bieu dien? - SGK li giai nhu the nao vl bieu thirc: Cb = e, - c; va ri, = r, + r^ Ket qua va trinh bay: Ghi lai ngan gon cac nhiem vu tren phieu hgc tap vao bang phu Trinh bay va bao ve kit qua tmdc toan ldp 2.3 Kit qud thu diegc bai bao trinh bay k i t qua thuc nghiem t?i 2.3.1 Tiln trinh thuc ndiiem su pham (TNSP) ^,^„, , ' ™ x r ' ^ ^ ' o " " ""^ ^ "^^^ ^™'' ^ uk I f ^ " , :"^ ^ ' ' ' " - ™ ^ ^ ' ' " Ho) thupc h n h D S k Lak, moi trudng deu chgn op thuc nghiem va lap d o chiing De lap trung irong viec phan hch kel qua thuc nghiem, ^ " ^ ^ ^ " ^ ^ " ^ ^ ^"*' '^''>'^" ^"^ ^ " ' " - ^ ^ * ^ ' nghiem (TN) la 11 A vdi 38 HS, ap dung D H T G theo tiln trinh day hgc da soan thao vien nhdm nghien ciiu d,y (dd la ^^.^ ^-^ ^ ^ ^^ ham Vat li nam thu ^^^^ ^^ ^^^^ ^^ ^ ^ g„ ^^ ^ ^ „ , ^ ^ ^, -^ ^67 dtrang phuang phap DHTG qua P I' Hai D.H Trd I Tgp chi Khoa hoc DHQGHN: Nghien cih, Gido due Tgp 30 So (2014) 12-21 tnnh hgc hgc phin Phuang phap day hgc Vat IQ Ldp ddi chiing (DC) la 11A4 vdi 37 HS, GV (ngudi huong din sinh vien thuc tap) cua trucmg phd thdng true tilp day HS hai ldp cd trinh dp tuang tuong TNSP dugc tiln hanh hgc ki nam hgc 2013-2014, dieo phan phdi cua chuang trinh • Tiet hgc TN dugc ghi hinh lam ca so de phSn tich, danh gia kit qua • Thu thap diJ lieu: Cac diJ lieu dugc thu thap thong qua bang ghi hinh tilt hgc TN, qua ket qua bai kiem tra va bang hdi vl ki nSng va thai dg cOa HS d ca ldp TN va DC • Xii liva danh gia: - Danh gia ve mat dinh tinh dugc thpc hien qua quan sat trirc tilp vS phan tich bang hinh tiet hgc TN, tir dd danh gia tinh kha thi cua ke hoach bai hpc ap dung DHTG - Danh gia ve mat dinh lugng: Tir cic dil lieu thu thap cua hai ldp, sir dung phan mem thdng kS Statgraphics de phan tich, tir dd danh gia su khac bi?t ve cdc mat; kien thiic, ki nang va thai dp cua HS hai ldp ddi vdi kien thiic ve mic cac ngudn dien bp ndi rieng, vdi mdn Vdt li ndi chung 2.3.2 Danh gia djnh tinh • Tinh kha thi ciia ke hoach bai hpc ap dung DHTG kilu K-2 - v l thdi gian: Tien trinh tiet hoc TN dien theo diing ke hopch d3 dl ra, dam bao dugc thdi gian quy dinh 45 phiit ciia tiet hgc - v l viec thuc hien nhiem vu tai cac gdc: Trong thai gian quy dinh tren phieu hgc tap, cac nhdm HS diu ca ban hoan dugc nhiem vu quy djnh t^i gde ma nhdm dam trach, rieng gdc trai nghiem thi HS mit nhilu thdi gian han cac em chua quen vdi viec tu ban than thuc hien thi nghi?m gia hgc T?i gdc quan sat (cd su dung phan mem Crocodile Physics 605), HS tir chd chua biet, mat nhieu thdi gian thuc hien cac thao tac d vdng dau tien da thao tin ban d vdng luan chuyen sau cung nhu phan bao cao, trinh bay ket qua trudc ldp d budc 6, giai doan Thdng qua td chirc dS tirag nhdm dugc trinh bay kit qua (kem theo su trinh diln lai cac thao lac - vdi gdc Trai nghiem va gdc Quan sat) viec thuc hien nhiem vu tai gdc ma nhdm lua chgn theo phong each (dap iing ySu cau hpc thoai mai) trudc loan Idp ma cac nhdm cdn lai cd dip dugc "/Tii/ nghiem gian tiep''' nhiem vy gdc dd, dap ung dupc muc tieu hpc sau v^ hgc ben vimg Vdi each thilt ke nhiSm vu cac gdc tuong duang va ciing hudng den ciing mgt myc tifiu nhu tren thi HS chi can chgn mgt gdc ca sd mdi gdc bit huge (moi tieu muc ciia bai hgc) ma khong can trai qua cac gdc ca sd cdn l^i Dilu da khac phyc dugc han chi vl su khdng dam bao ve thdi gian ciing nhu de gay tam li met mdi cho HS ma da sd GV hien gSp phai ap dung DHTG theo kieu K-l Cac kit qua cung chi ring, qua lam viec theo nhdm, qua trinh bay, thao lugn trudc ldp da hinh va phat trien cho HS cac kl nang (KN) nhu: KN lam viec nhdm, KN thuyet trinh, KN su: dyng ngdn ngii Vat li, KN su dung cdng nghe thdng tin, KN thi nghiem Mgt sd hinh anh minh hga (Hinh 3) 2.3.3 Danh gia dinh lugng Danh gia dinh lugng hieu qua cua DHTG kieu K-2 dugc thyc hi?n tren ba khia cpnh: kiln thiic, kl nang va thai dg • Oinh gii vl kiln thii'c Sau hgc xong, ca hai ldp TN va DC thuc hi^n ciing mdt bai kiem tra dang trac nghiem khach quan nhieu lya chpn Tii kel qua thu dugc, sur dung phan mem thdng ke Statgraphics de danh gia sy khac biet ve dilm sd trung binh ciia ldp TN va DC Kit qua thi hien qua Bang Qua bang thay rang, vdi dg tin cay tdi thieu 95% thi diem trung binh ciia ldp TN u Gido due Tgp 30 So i20l4i 12-21 P.V Hal D.H Tra Tgp chi Khoa hgc DHQGHN Nghil (8.44) cao hon dilm trung binh ciia ldp DC (7.36) la cd y nghia thdng ke Dieu dd chiing td HS hgc theo phuong p h ^ DHTG hoan toan dam bao nim viing cac kiln thuc trgng tam ciia bai hgc so vdi cac each hgc truyen thdng • Danh gia ve ki nang HS trao doi tranh luan Sau tilt hgc, chung tdi tien hanh liy phan hdi cua HS ty danh gia ve cac KN va thai dg ciia hg thdng qua bang hdi Kit qua thu dugc nhu sau (Bang 2): Tir kit qua thu dugc su dyng phin mim Statgraphics danh gia sy khac biet ve dilm sd trung binh iing vdi tiing KN ciia Idp DC va TN sau thyc nghi?m Ket qua cu the qua Bang 3: HS trinh bay kit qui GV the che hda kien thiic Hinh 3, Hinh anh minh hga tiet hgc ap dung DHTG Bang 1: Danh gii diem bai kiem tra hai ldp DC vi TN Multiple Range Tests for DG Diem kiem tra Method 95.0 percent LSD Ldp Count (2) Mean (3) Standard deviation Homogeneos Groups (5) ll) (bien dim) (Diim Irung binh) (4) (Do lich chudn) (Nhom dong nhdt) TN 38 44737 0.964151 DC 37 7.36486 1.75059 Difference (6) (Sir khac bift) 1.0825 (7) Sig * X * denotes a statistically significant difference (biiu thi mgt su khdc biet co y nghia thong kef Chu thich- O cot (5) neu ki hieu x thdng hang theo phuang ihdng dung (bieu thi su ddng nhdt) thi su khac vi diem so giira hai lap TN va DC la khong co y nghTa Niu ki hieu x bi Ifch (nhu Bang 1) thi su sai khdc vi diim so giira hai lap la cd y nghia thdng ki xudt hien ki hiiu* a cgl (7) PVHdlD.H Trd Tgp chi Khoa hgc DHOGHS Nghien dm Gido diic Tdp 30 Sd (2014) 12-21 Bang 2: Dilm tu danh gia ve ki nang cua Idp TN va DC STT L4pTN Ky nang 4 Lam viec theo nhdm Thuyet trinh Sir dyng may vi linh va phin mim md phdng thi nghiem Lam thi nghiSm Lap ke hoach thirc hien nhiem vu hgc tip Ldp DC Muc dS Ml^cd9 12 14 20 2 25 23 13 18 17 5 14 10 16 17 Chu thich- So lieu Irong mdi biiu thj so lugng HS lua chon ciing mot phucmg dn Cdc mirc dd ddnh gid muc rdt thdnh thao hodc rat ihuong xuyen muc - thdnh thao hoac ihinh thoang, mirc 2: chua thdnh thao hodc hiem mirc 1: chua thuc hiin dugc hodc bao gid Bang 3: Danh gii KN cua idp TN sau hoc va ldp DC Multiple Range Tests for DG ky nang Method: 95 percent LSD Ldp Biin dim Diem TB \ KTnang 1: Ldm viec theo nhom Do lech chudn 38 3.39474 0.638388 TN 37 851602 f)C 2.67568 KTnang 2: Thuyit trinh (tu trinh bay trudc ldp) Nhdm ddng nhdt 0.719061 X X 0,942138 X 38 2.63158 TN X 37 2.05405 70498 DC KT n&ne 3: Su dune may vitinh vd phan mim mo Ii? thi nghiim 0,860464 X TN 38 2.55263 X DC 37 2.05405 0.743339 KTnang 4: Lam thi nghiim X 2.36842 0.819395 TN 38 X 2.59459 0.797895 DC 37 KTnang 5: Ldp ki hogch thirc hiin nhiim vu hoc t^p X 3.05263 0.836575 TN 38 2.40541 0.896272 X DC 37 Tir k i t qua Bang 3, vdi dp tin cay d miic tdi thilu % thi s y khac bi?t v l kl nang (lam thi nghiem) hai ldp TN va DC la khdng cd y Su khdc biit 0,577525 0.498578 \ Sig * * • 0.226174 0.647226 * • D a n h gia ve thai dp hpc t a p ciia H S q u a phirong p h a p D H T G d?ng p h u o n g phap DHTG da hinh Viec ty danh gia ve thai hpc tap cua HS thdng qua DHTG dugc cSn cii tren cac lieu chi nhu: sy hirng thu; mirc dugc lya chgn nhi?m vu theo mong mudn, sd thich; kha nang tiep thu k i l n thiic, ki nang mdi; mong muon dugc ap dung DHTG d cac del Vat li khac, cac mon hgc khac , chiing toi quan lam nhieu den tieu chi ve sy hiing thu va mong mudn dugc ap dung phuong phap DHTG Ket qua t h i hi?n qua va phai triln dugc cac KN tren cho HS ldp TN Hinh 4a, 4b nghTa Sy khac biet ve cac ki nang 1, 3, (lam viec theo nhdm, thuyet trinh, sir dyng may vi tinh va phan mem md phong thi nghiem, lap kl hoach thyc hi?n nhiem vu hpc tap) la cd y nghTa thong ke D i l u mgt lan nira k h i n g dinh: Thong qua viec thuc hien cac nhiem vy da P.V Hai DH Tra/ Tgp chi Khoa hgc DHQGHN: Nghien dm Gido due /"qp 30 S6 (2014) 12-21 • Rit hiing thu ^^^^^B^H ^^^^^^^^W Bjoh thudng ^8^^^^^ "Nham Hinh 4a Sir hiing thii cua HS vdi DHTG Tir kit qua d Hinh 4a, 4b thay rang, da sd HS ldp TN diu cam thiy phuang phap DHTG la rit thii va thu (92 % sd lua chpn), khdng cd HS nlio cam thay nham chan Ve mong mudn dugc ap dung phuang phap DHTG, cd 55 % HS chgn d miic dp thudng xuyen, 45 % chgn d miic thinh thoang, khong cd HS nao mudn khong liep tyc ap dung DHTG Dieu dd chimg Id, phuang phap DHTG da tao dugc sy hiing thu, cam giac thoai mai ciia HS hoc tap ^^S^B^ • Thudng Hiyen • Thinh tboana Hilm • Khdng bao gid ^^^^^^B Hinh 4b Mong mudn dugc ip dung DHTG cua HS d t tiet hgc Vat li khac, cac mdn khic hudng d6n mgt myc tieu va cac xoay vdng nhu tren thi DHTG hoan toan kha thi ddi vdi thyc tien day hgc d phd thong hien Vdi cac kit qua tich eye tren, phuang phap DHTG ndi chung, DHTG kieu K-2 ndi rieng can dugc ap dyng md rgng nham dap iing muc tieu day hpc hudng den phat trien nang lyc theo quan diem ddi mdi hien Tai li€u tham khao Ket luan Nhu vay, thdng qua phan lich ve mEit li lu|n thay ring: ap dung DHTG kieu K-2 mon Vat Ii vira dam bao cho HS dugc lya chgn phong each hgc t§p (qua cac gdc Co sd), vira dam bao hpe sau ma van cd the dam bao thai gian quy dinh cua till hpc (do HS chi can trai qua it nhat mdt gdc ca sd mdi gdc Bit huge) Cac kit qua TNSP chimg td DHTG kilu K-2 khdng nhiiTig nang cao dugc chit lugng nam vOiig kien thiic ma cdn hinh va phat trien cho HS cac KN, dac biSt la cac KN mim, dong thdi lao dugc su hirng thu, cam giac thoai mai cho HS hgc tap Vat If Danh gia ve mat djnh tinh cho thay rang: vdi phuang an xay dyng nhiem vy cac gdc tuong duang, cung [1] [2] (3] [4] [5] [6] Nguyin Lang Binh Dd Hirong Tra Cao Thj Thing, D^y va hgc tich circ; Mgt so phuong phap va ki thu?! dgy hgc NXB DHSP Ha Ngi 2010 Dd Huong Tra, Cic kieu to chirc A^y hgc hi?n dai day hpc Vat li o tnrcmg thong NXB DHSP Ha Ngi, 2011 Phiing Viet Hai Dd Huon§ Tra Day hoc theo Goc kieu khac ndi dung kien thiic khic phong each hgc - mot huong met thuc tiln ap dyng Tap chi Giio dye sd 327 (2014) 30 PhiJng Viet Hii, Do Hirong Tra D^y hgc theo Goc hirdng chii dl - each tilp cgn mo tron| thirc tien ap dung Tgp chi Thiet bj Giao dgc so 103(2014)33" Nguyin Van Hgnh, Nguyin Hau Hgp Da\ hgc dira vao li thuylt hge tap trai nghiem dao tao GV ki thu|t Tap chi Khoa hgc, Tnrdng DHSP Ha Ngi sd 58 (08) (2013) 134 www eerotunkelo.com (Klob Leaming cycle helps us understand achieving) p V Hai D.H Trd / Tgp chi Khoa hoc DHQGHN Nghien cim Gido due Tdp 30, So (2014) 12-21 Angle Teaching Method, Different from Knowledge Content, from Leaming Style and Obtained Results Phung Viet Hai', D6 Huang Tra^ Toy Nguyen University, No 567, Le Duan Sir Buon Ma Thugt Ddk Ldk Province, I ietnam 'Hanoi University of Education, No 136 Xudn Thuy Cdu Gidy, Hanoi, Vietnam Abstract: Currently, the application of the angle teaching method in physics at high schools follows mainly the same content of knowledge with different leaming style, resuhing, to some extent, in having the "monotony and repetition" in content, at the same time it is difficult to ensure the leaming periods in class This paper presents the application of the angle teachning method with different knowledge content, different leaming style in teaching the "Pairing the power source in sets" in Physics, Grade 11 (Advanced) The obt^ed results prove that the angle teachning method not only ensures that leamers can not only leam the lesson deeply but forms and develops theu skills and interest in leaming Physics as well, thus meeting well the leaming goals towards development of students' ability to which the post-2015 educational reform is aiming at Keywords: Angle teachning, different knowledge content, study deeply ... K-2 (khac ngi dung kien time, khdc phong cdch hgc) Theo [3], cac kifin thuc van dung DHTG kieu K-2 can dam b^o tinh dpc lap cau true hinh ciia bai hpc, dugc the hien cu the qua Hinh Theo do, moi... van dung day khdc ngi dung kiin thirc, khac phong cdch hgc (ggi Id kiiu K-2) ho^c day cac kien thuc V^t li hudng din mgt chu de (ggi Id kieu K-3) Tuy nhien, cac kit qua mai dirng o miic d6 li thuylt... viec nghien ciru, img dung DHTG kilu K-2 vao thuc tien day hpc Vat li a tnrong ph6 thdng de tir khing djnh tinh khoa hpc va hieu qua ciia no la rat can thiet thuc tiln v^n dung DHTG hien a nuac