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sit DUNG THf NGHIEM TIT TAO VA THI'''' NGHIEM GIAO KHOA TRONG DAY HOCVAT Lf ThS NGUY9N H O A N G A N H " Vgt li (VL) la mdn khoa hpe Ihue nghiem; vi vgy, sddung thi nghiem (TN) va phuong tien tare quantr[.]
sit DUNG THf NGHIEM TIT TAO VA THI' NGHIEM GIAO KHOA TRONG DAY H O C V A T Lf ThS N G U Y N H O A N G A N H " V gt li (VL) la mdn khoa hpe Ihue nghiem; vi vgy, sddung thi nghiem (TN) va phuong tien tare quantrongdayhpebd mon lampttrong nhung bien phap hdu hieu de tich cue hda boat ddng nhgn thde cua hpe sinh (HS), giup cac em hieu sau ban cac kiwi thdc.banchatvathudctinh cua suvathien tuang De nang cao chat lupng day hpc VL d trudng thdng, viec che tao v a s d dung eae thi nghiem ttf tao (TNTT) ket hop vdi thi nghiem giao khoa (TNGK) la ratcanttilet Khal niem Thf nghiem tt/tao\a nhung TN giao vien (GV) va HS lao vdi nhung dung eu cd s i n cupc sdng; khdng ddi hoi nhQng yeu cau kithuat phdc lap, mat nhieu thdi gian nhung v i n dam bao dupc nhung yeu cau cua TN VL, TNTT gom: nhung TN theo phuang an SGK nhung vdi cac dung culu tgo; nhung TN tu de xuat phuong an va tu tao dung cu, Thi nghiem giao khoa la nhung TN dupc quy dinh chuang trinh va duac the hien SGK VL phothdng; dupc trang bj tn/dng hpe theo danh muc thiel bj Bp GD-BT quy djnh nhim phye vu qua trinh dgy hpe Ket hpp TNTT vdi TNGK day hpc VL 1} Str can thiei phai kei hgp TNTT vdi TNGK Cdthethay.TNGK duac thehien bai hpc chi mang tinh chat minh hga cho hien tuong G V th udng md ta TN va yeu eau HS giai thich hoae nhan xel • vi dg: "DtM vao dinh luat bao loan (DLBT) momen dgng iuong, hay giai thich si/khac biet ctia chuyen dgng d haituthetren hinh 3.3, SGKVl 12 nang cad' Hgoa\ra,THGK trinh bay cac hien tddng ve mat dinh tinhmgtcach trtJru tUdng, gay khd khan cho HS viec tiep thu tri thdc - vi du: "Dua vao DLBT momen dgng lugng, HS giai thich st/ khac biet cua chuyen dgng c supham Hei N^i, 2002 SUMMARY This article, the authors use self-created experiments to combine the experiments in textbook to enhance the student's cognitive activities in teaching process Since then to contribute to improving the efficiency of teaching physics in hi^ schools, 'n 315 •(kil- 8/2013) ... true cua nd De thay ddl khoang each td gia trpng de''n tryc quay, ta keo mde khda (3) hudng len hoac tha xudng dudi, -GV yeu cau H S d u d o a n trudc lien hanh TN: thay doi khoang each td hai gia... trye quay -Sau HS dua cac d y d o a n , G V tien hanh TN eho HS quan sat, Ke''t qua TN la thay ddi khoang each hai gia trpng cua khung (2) lai gan true quaythitdcdpcua khung (2) quay nhanh han Hien... em, khien cho cac em ngac nhien, dong thdi tgo su mau thuan ntian thuc eua HS (Tai ta thay dol khoang each Ciia hai gia trgng lai gan true quay thi toe ctia khung_ (2) lai quay nhanh hdn ?} D