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HlfflNG DAN QUAN IY, SUT DUNG I I I C N G D U N G E L E A R N I N G K H A C P H U C H A N C H E • • • T R O N G D A Y H O C C A T H E H O A Tran Mau Minh Hieu trUdng TrUdng THCS Trdn Van On, Q l, TP H[.]
HlfflNG DAN QUAN IY, SUT DUNG I I I C N G T R D U N G • O N G E - L E A R N I N G D A Y H O K H A C C C P H U C H A N • A T • H E C H E H O A Tran Mau Minh Hieu trUdng TrUdng THCS Trdn Van On, Q.l, TP HCM rS: Day hoc theo dinh ngcd the hoa IdphUdngphdp [hogtien tien cd hieu qud ldn viec trang bi kiin thiic vd ky nang hqc tap cho hqc sinh (HS) DUdi ddy Tap chi gidi thiiu hdi ciia Thdy Trdn Mau Minh de han dqc tham khdo Tii trtfdc tdi ngiidi ta chi de cap viec dng dung phtfdng phap vao tiet hoc cu the tren ldp chd chtfa thtfc stf quan tam tdi vile dinh htfdng ca the hda ngoai thdi gian d trtfdng Do rat nhieu giao vien da gap khd khan thtfc hiin day hoc theo phtfdng phap ca the hda Ly la sd ltfdng HS tren ldp qua ddng ma thdi ltfdng tiet hoc chi cho phip theo quy dinh ttf 35-45 phut Nhtfng, theo tdi, du sd ltfdng HS cd it bao nhieu ntfa thi viec day hoc theo htfdng ca the hda chi thtfc hien pham vi bdn bde ttfdng cua ldp hoc nen khdng the khdng cd nhieu han chf Ngay thdi hpc chtf nho, ldp hpc cua thay day tre tai nha chi 10 hpc trd trd lai nhtfng viec ca the hda cung khd lam dtfdc hudng chi la mdt ldp cd ttf 30 hoac 40 em Thdng thtfdng, HS thtfdng dtfdc phan chia ba ddi ttfdng: kha gidi, trung binh va yeu klm NhSn bai ngdy 9/5/2011 Ddi ttfdng ma thay cd quan tam nhlt la cac em HS yeu kem Vay chung ta thtf dat mdt cau hdi: "Khi day giao vien cd chd HS yeu kem hay khdng? HS nao chtfa hieu thi giao vien cd thdi gian giang lai cho ca ldp nghe mdt lan ntfa hay khdng?" Chia nhdm la mdt nhieu phtfdng phap day hpc theo htfdng ca the hda nhtfng mdt nhdm it nhat cung 4-5 em chd chtfa that stf den vdi tdng ca t h i mdt Vi the, cdch chia nhdm cung chtfa phai la phtfdng phdp hay gidng day theo cd the hda Tdi quan niem, neu day hpc theo htfdng ca the hda thi phai dap dng dtfdc cdc yeu cau nhtf: hpc theo sd thich vd hpc bat ctf ndi ndo cung dtfdc Thtfc te da chdng minh vd cho thay chi cd bai gidng dien ttf vd hpc tap trtfc tuyen (E-Learning) mdi cd the ddp dng dtfdc nhtfng yeu cau tren E-Learning khdng chi giup HS dtfdc hpc theo sd thich vd hpc mpi ndi md cdn giup cdc em hpc bat ctf luc ndo vd hoc sudt ddi theo tieu chi cua giao due hien dai Thdng qua trang E-Learning cua Trtfdng THCS Tran Van On, gido vien bp mdn gidi thieu cac bdi gidng cua minh de HS dpc vd tim hieu Khi da trd thanh vien cua E-Learning, bat ky HS nao cung dtfdc tham gia vdo cdc buoi dien dan C" dd cdc em cd quyen trao doi vdi ban be va vdi cd thay cd Day Id mdt thudn ldi cho nha trtfdng viec day hpc theo dinh htfdng cd the hda Cdc em HS cd the nghe lai nhtfng bai giang da hpc tren ldp, nam bat them nhtfng phan chtfa hilu Neu cd gi thdc mdc thi cac em lai cd quyen dtfa nhtfng cdu hdi di gido vien trd ldi sau Vd cd the coi ddy Id mdt cdch hpc vl cdc em dtfdc xem lai bdi gidng cua giao vien du khdng cdn ngdi d tren ldp ntfa Cac em cung se hieu bdi hdn vi dtfdc gido vien giai dap nhtfng thdc mac khdngbiet-td-cung-ai Nhtf vdy, day chinh la cd hdi de cac em HS hpc mpi luc, mpi ndi chd khdng chi bd hep ldp hpc Ddi vdi nhtfng HS yeu kem vd nhdt nhat thi cdc em lai cd nhieu cd hdi hdn viec phat bieu y kien cung nhtf thdi gian de "xdo lai" bai da hpc ttf tren ldp Nhtf vay chi can mdt cu nhap chudt la cdc em se cd them rat nhieu thdng tin ve bai hpc tren ldp, du cdc em dang ngdi d nhd hay bat ctf chd nao Do dtfdc stf dung phan mem moodle mien phi, cdc em cung cd t h i download bdi tap vd Idm thdng cdc thi nghiem dd ludn Khi da trd thanh vien hoac mdi chi la khach vang (Xem tiep trang 23) TAP CHI THIET Bj (SAO DUC - SO 70 - 6/2011 • HUONG DAN QUAN LY SU DUNG I I I Do kich thudc Tien hanh kich thudc theo trinh ttf sau: a Dat tieu ban cd vi sinh vat can len ban kinh Dieu chinh ban kinh cho thay rd te bao vi sinh vat va thudc thi kinh b Dieu chinh ban kinh cho te bao vi sinh vat nam gon va doc theo thudc thi kinh c Dem sd khoang ma te bao vi sinh vat choan cho Xoay dng thi kinh de be khac Tinh ket qua Vi du: dudng kinh te bao nam men nam dung vao hai khoang cua thudc thi kinh, ttfcla(2,5x2 = 5,0 um) Thuxrc thi kinh O 10 20 30 /.0 50 60 70 80 90 100 |llll|llll||IM|li|||it|||llll|illl|IIMilill|llll|l!ll|llM|llll!ll!l||j|l|llll|llll|llll|lJI>|llll| Thinyc vat kinh (1mm + 100 khoang; 0,01mm) Hinh 3: Thicac thi kinh (tren) vd vat kinh (dir&i) nhin du&i kinh hien vi quang hoc lai thi trang E-Learning cua nha trtfdng da trd ngtfdi ban than thiet that stf gin bd vdi HS, giup cac em tranh xa dtfdc nhtfng "ke' thu nguy hiem" nhtf cac trd chdi game trtfc tuyen vd bd va nhtfng trang web ddc hai Ve phia giao vien cung rat thuan lpi, vi qua cac cau hdi cua HS ma biet em nao kien thtfc chtfa vtfng, chtfa nam rd phan nao Qua dd, cd t h i giai dap cho ttfng em, cac em khac "an theo" cung nhan dtfpc thdng tin Qua thtfc tien, chung tdi thay day la mdt each hpc rat dtfpc HS yeu thich dtfdc phu sdng rpng nhieu ddi ttfdng, nhieu phan E-Learning Tran Van On (TVQEL) dtfdc hinh d l cung ton tai song song va bo sung quan trpng cho he thdng hpc tap truyen thdng h i | n Tinh tfu vi|t va stf cdng Nhdng diem can luu y - Kich thudc te bao co the thay doi theo phan mdi trUdng dinh dtfdng cua canh trtfdng nudi cay vi sinh v|f - Muon kich thtfdc c&a vi khuan hinh cau ta dtfdng kinh, cua trtfc khuan - be ngang va chieu dai, xa khuan va nam mdc - be ngang cua spi - Neu te bao vi khuan chuyen ddng thi ta ho nong mpt chut hay them vao huyen phu mdt giot dung dich 0,1% thach (agar) ndng chay Neu lam tieu ban cd dinh nhudm mau se lam cho kich thtfdc te bao bi thay doi it nhieu • TAl LlfiU THAM KHAO [1] EgorovN.X, (1983) Thiic tap Vi sinh vat, NXB Mir, Maxcova Nguyen Lan Dung dich, NXB DH&THCN, Ha Noi [2] John William Henry Eyre, (2009) A Laboratory Guide for Medical, Dental, and Technical Students, http7/www.gutenberg.org/ cua mdt he thdng E-Learning phan ldn dtfdc quyet dinh bdi ndi dung phong phu cua cac bai giang thay cd thiet ke va stf tham gia tich ctfc cua HS Do dd, GV khdng chi gidi vi tinh ma cdn phai cd stf say me va lam viec vdi tinh than tat ca vi HS than yeu, trao ddi thang thin va than dnh vdi cac em HS mpi khoi ldp.a TAP CHI THIcT BI QIAO DUC - SO 70 - 6/2011 • 23 ... for Medical, Dental, and Technical Students, http7/www.gutenberg.org/ cua mdt he thdng E- Learning phan ldn dtfdc quyet dinh bdi ndi dung phong phu cua cac bai giang thay cd thiet ke va stf tham... ttfng em, cac em khac "an theo" cung nhan dtfpc thdng tin Qua thtfc tien, chung tdi thay day la mdt each hpc rat dtfpc HS yeu thich dtfdc phu sdng rpng nhieu ddi ttfdng, nhieu phan E- Learning. .. - Neu te bao vi khuan chuyen ddng thi ta ho nong mpt chut hay them vao huyen phu mdt giot dung dich 0,1% thach (agar) ndng chay Neu lam tieu ban cd dinh nhudm mau se lam cho kich thtfdc te bao