DayvaHpC SC SO 5 2011'''' 31 V IHUofng dan tioc sinh che tao do dung day hpc mon Vat If thong qua to chufc day hoc dif an 1 Dat van de Cung vdi nhflng thie''''t bi day hpc tdi th i lu dope trang bj h ing na[.]
31 DayvaHpC SC SO 5-2011' V IHUofng dan tioc sinh che tao dung day hpc mon Vat If thong qua to chufc day hoc dif an ThS NGUYEN LAM DlfC Trudng THPT COa Ld - Nghp An Dat van de Cung vdi nhflng thie't bi day hpc tdi t h i l u dope trang bj hing nam, phong t r i o ty l i m db dung day hpe (ODDH) cua giio vien da gdp p h i n quan trpng v i o sy cdng cua vipc doi mdi phOdng p h i p giing day Trong q u i trinh dd, n i u g i i o vien b i l l c i c h to chOe hodng d i n hpc sinh eung tham gia thi ngoii k i t q u i thu dope l i c i c s i n pham ODDH cdn cd t i c dyng to Idn day hpc l i : lao triin vpng rpng r i i eho vipc p h i t triin nhan quan thdng v i ky Ihual long hdp cua hpc sinh, phat triin linh 10 lOe khoa hpc, dc sing tao, d i e bipt la dOdi dang c i c nhdm khoa hpc - ky thuat va eung cd h o i n thipn tri thOc da hpc, van dung kiln IhOc g i i i quyet b i i l o i n thoe l i i n ddi sdng dai Day hpc dy an cho phep giao vien cung hpc sinh thio luin d l xui't ndi dung kiln thOc d n nghien cOu va cung dUa giii phip de thyc hien, dd l i viec nghien cOu s i u mdt m i n g kiln thOc, ehe lao ODDH hoac sOa chOa, phuc hoi dung cu thi nghiem bj hdng Thdi gian qua, ehung ldi da 10 l i m dope mdt sd dung eu, thilt bj sO dung hieu qua Irong q u i trinh giing day B i i v i i t xin gidi Ihipu q u i Irinh thoe nghiem hodng d i n hpe sinh c h i lao ODDH mdn Vat ly hpc sinh hoe xong phan dien 10 Idp 11 THPT 2' Che tao DDDH va day hpc diT an Che lao db diJng day hpc cd I h l dope thuc hien bang nhieu cich Giio vien cd t h i b i t chude c i c t h i l l bj s i n ed de l i m ling sd lupng hoac b i t ngubn 10 llnh hudng sU pham ma giao vien thill k l , e h i lao DDDH theo mue dich day hpc cua minh nhidn giang day ne'u giio vien cung hpe sinh phan lich, lim hiiu chOc ning dung eu 10 dd x i y dung phUdng i n ke hoaeh v i thyc hien thi t i c dung cdn lo Idn hdn rat nhieu, bdi qua dd hpe sinh n i m s i u hdn kiln IhOe, dope trai nghiem, phit triin ning lOe thOc hinh Vipc IhOe hien l i i n trinh day hpc i n ed I h l liin hanh nho sau: giio vien v i hpc sinh cdng lac chat ehe vdi nhau, cung thao lupn de chpn ndi dung b i i hpe, giii thich rd myc dich d n dat tdi, x i y dOng k l hoaeh eho dy an v i eung IhOc hipn ndi dung d d Trong q u i trinh thOe hien giio vien ehi ddng vai Ird hodng d i n , to chOc, kiim tra v i dinh g i i , hpe sinh se dope phin chia eic nhdm theo sd trodng Moi nhdm dope giao mpt edng vipc cu t h i , thyc hipn nhipm vu mdt cdng doan nhi't djnh, k l c i edng doan cudi eung: biiu dien v i trinh b i y k i t q u i thyc hien IrUdc lap I h l Idp Do dd hpc sinh dUde ren luyen de ddng vai trd chu the eua qua trinh day hpc Vi v i y day hpc dU an dupc coi la bien phip cd hieu qua ddi vdi chiin lUdc day hpc lay hpe sinh lam trung lam Day hpe du i n de c i c bode de thoe hien mpt nhiem vu nghien cOu, ddi vdi viec che lao DDDH can tuan thu theo quy trinh Iren v i phu hdp lien trinh nhin IhOc, q u i trinh thOc hipn C i c giai doan nho sau: *Giai doan 1(linh hudng van de): Giio vien lay cie tinh hudng Irong ddi sdng hang ngay, eho hpe sinh Iham quan, xem phim v l hien lOpng thoe t l Yeu d u hpc sinh xic djnh van de can giii quyet Irong llnh hudng, moi llnh hudng tOdng Ong vdi mpt v i n de *Giai doan 2(lOa chpn chu de): Khi xac djnh dope vi'n de can giii quyet, hpc sinh lya chpn chCi de cho an, xic dinh mue lieu i n Giio vien x i c nhan chiJ d l dy i n "Giai doan 3(xiy dung k l hoaeh): Hpc sinh thao lupn nhdm de x i y dong ke hoaeh thOc hipn an, Ipp thdi gian biiu, x i c dinh dja diem thuc hipn, phan edng lao ddng Giio vien kiem tra linh k h i thi eua ke hoaeh de su cd djnh hudng kjp thdi *Giai doan 4(th0c hien k l hoaeh): Hpc sinh lam viec c i nhan va nhdm nho k l hoaeh d i vach ra, thill k l s i n pham, l i p dUdt ehuan bj cho buoi gidi thieu san pham Giio vien theo ddi lien dp Ihoc hien i n v i ed van dope yeu eau *Giai doan 5(bio eio long kel): Nhdm hpe sinh bao eio long k i t dy i n va gidi thieu s i n pham trode tap t h i Idp 'Giai doan 6(dinh gia i n ) Hpe sinh tham gia danh g i i an qua c i c hinh IhOc: danh g i i hpp tic, 10 dinh gia Giio vien dinh gia qua trinh thoe hien v i k i t qua i n Viee loa chpn kien IhOe de doa v i o ndi dung eiJa i n la v i n de khd khin dd'i vdi giio vien Ngodi day can lodng trudc dupe nhflng trd ngai thue hipn chiJ de Giao vien phai n i m vOng sd trudng, ning IUc hpe sinh, dieu kien gia dinh va xa hpi Oien - to ed ri't nhiiu Ong dung Irong ddi sdng v i ky thuat, cie thill bj dien-tOtbn tai xung quanh ddi sdng hing ngiy Dae biet d Thj xa COa Id-Nghe An, ed nhieu thie't bj g i n vdi kiln IhOc phin dien -10 Trong mpt fin cung hpc sinh tham quan Cing bien, ldi de xua't hpc sinh tham gia dp i n c h i tao "Can eau dien" bing kiln IhOc da hpc O l lai dope hpe sinh nhipt tinh hodng Ong v i tham gia tich coe Do i n dope lich hpp v i o ChOdng trinh day hpc 10 chpn v i mdt sd budi hpe ngoai khoa S6&^2011 P^tjvaHQC Dy i n dope chia buoi (tuan theo giai doan d i trinh biy d tren), thdi lupng mdi buoi theo mOc dp eua phan kiln ihOe CLia dy an 3.^ Tien trinh hifding din hoc sinh che' tao "Can cau dien" 3.1.Mue tieu day hpc -Sau kit thuc dU i n , hpe sinh dupc cung cd kiln thOe phan dien 10, phat triin nhan quan thdng va ky thuat tdng hdp -Hpe sinh che lao, gia cdng, thill k l dope nhflng dung ey, thill bj ddn gian sO dung cho viec day va hpc -Hpc sinh phit trien linh to loe khoa hpc, dc sing lao ky thuit -Tao sy hOng thu, Idng ham mud'n hoat ddng, bbi dOdng tinh to lOc, lich cOc, nang dpng, ed hdi the hien ban than -Ky nang to quan, kynang loehUc, hoi nhap mang linh lip Ihl 3.2.T6 chUc hoat dpng cu the Buoi -Oat van de, chpn de lii nghien cOu: Giio vien: Trong cie cdng xodng luypn kim, cie cang bien, ehung la ed thi nhin tha'y nhflng can eau dien chuyin van nhflng hing hoi rat nang Vdi nhflng can cau nam ehim ta ed Ihl van chuyen nhflng khdi sit khong lb hoic nhflng bd phin may mdc nang hang chuc tan mdt cich thuin tipn, chang d n phii budc day gi ea La sit, diy thep, dinh, sit vun va cic v i i lieu khac, neu chuyin van bang phOdng phap khae Ihi rat philn phOc, l y the ma dung d n eau dien Ihl ed the chuyen van r l l d l ding chang can ddng bao hay ddng hdm gl ca Sau mdt qui trinh hpc tap ehung ta ed du nhflng kiln IhOc ed ban d l che lao mdt can eau dien vdi ehOe nang nho eae d n cau sO dung Irong ddi sdng Hpc sinh: Ling nghe, djnh hinh d n eau dipn Giio vien: Cac em da bao gid quan sit Ihly can eau dien IhOc l l Hpe sinh: Mpt sd tra Idi da tha'y, nhOng ehUa quan sit ky, mdt sd thi chua tha'y IhUc te nhUng da thay sieh bio, truyen hinh Giao vien: Chung la eung chi lao dung cu d n cau dien, cd cac chOe nang nho can cau ma cac em da quan sit De chi lao dope d n eau dien thay yeu cau eae to, lim hieu cu the cin eau dien d eing COa Ld Hpc sinh: Ling nghe, tiip nhan nhiem vu giao vien giao eho Giio vien: Yeu cau cua vide lim hiiu d n eau dipn, eic em bio eio dope eic van db sau: -Md l i cic bd phan cua can eau dipn (eau lao) -Do doan nguyen ly hoat dpng ciJa d n eau dien -Nhin xet cic linh nang cua can eau dien -Cic nhan xet khie niu cd.' Chu y: Ne'u cd dieu kipn giio vien cung hpc sinh di tim hieu l i lot nhat, ne'u giao vien khdng di dUdc thi phai nhie nhd eu the tflng yeu clu d l Irinh xay nhflng vipc dang tile nhO: lai nan giao thdng, vio cang, an loin lao dpng d Cing Buoi Lip ke hoaeh Giio vien: Chung la da dope tim hiiu can cau dien v i ghi chep dope nhflng thdng tin m i buoi thO nhi't thay da yeu eiu Cic trodng nhdm hiy bio eio kit qua da thu dope qui trinh lim hieu Kel qua Ihu dope long hpp 10 to: *Ve d u tao (cic bd phan cd ban): mdc hing 10 ddng, ed kha nang hut dope kim loai nho edngtennd, v^t lieubing sit, diy cap, true can eau, be dd, budng dieu khiln *Hoal ddng eua can cau: mdc hang nhd day cip di ehuyen len xudng bde hing, true can eau di ehuyen sang phai, sang trii hoac quay vdng de bde v i dd hing *Vl linh nang: can cau hoat ddng linh hoat, die biet bde v i dd hang khdng can eic chu cdng nhan phai mde vat vio va dd vat Cdng viec niy hoin toin to ddng Giio vien: Ve hinh can eau len bing va ehu thieh eic bd phan de mpi hpe sinh theo ddi dUpc Hpc sinh: Theo ddi hinh ve, cung giao vien chu thich cie bd phan Giao vien: Nhin vao hinh ve v i tinh nang cie bd phin nhu Chung la d i nhin xet, eic em hay neu nguydn li cic bd phan Hpc sinh: Thao luan v i di den nhan xet -Ddi vdi mdc hang gidng nhU mdt cii nam chim ed the hut sat, nhung vl nd bde v i nha hing to ddng nen nd eau tao 10 mdt nam cham dien -Day cap treo mdc hing di chuyin len xudng, nen nd cd the dope clu tao 10 ddng eP dien -True d n eau quay sang phai, sang trii hoac quay vdng, nen nd cung cd thi dope eau tao tO ddng cd dien Giao vien: Chung ta da doin nguyen li cie phan ciJa cin cau dien, yeu d u dat l i phai ehi tao dUpe eu the nhflng bd phin nio? Hpc sinh: Suy nghT vdi sOgdi y eua giao vien, van dung kiln IhUc da hpc, neu dupe cic yeu d u sau -Chi lao nam ehim dien -Chi lao ddng ed dipn -Gia cdng, sUu tam cie vit lieu nhu go, kim loai d l lim cic bd phan eua can cau -Chuan bj ngudn dien, sdi diy ben, nhe, binh rdng roc, diy din dien Giio vien: Chung ta lien hanh ehe tao cie bp phin eu da neu b tren Hpc sinh: Suy nghT v i lien he tinh ning eic bd phin vdi kiln thUc da hpe Giio vien: Cd sd nio d l ehung ta ehe tao nam ehim dien Hpc sinh: Thao luan, trao doi y kiln v i dua nguyen li Theo li thuye't ta d i hpc dng day ed ddng dien chay qua se hut cic vat bang sit vl dd dng diy gidng nhU mot nam ehim Giao vien: Em hiy liet ke cie vat lieu can thilt d l chi lao nam cham dien Hpc sinh: Vit lieu gbm ed: mdt buldng sit, diy ddng e may, gily xi mang, ngubn dipn Giio vien: Theo kiln thOe ta da hpe thi la thOe hipn nho the nio Hpc sinh: Hpc sinh li'y day dbng quan vio buldng, hai diu day ndi vdi ngubn l i iequy, quan sat hien tOdng dit ong day gan dinh sit *(Chl tao ddng ed dien) Giao vien: Co sd nio de ehung la ehi tao ddng ed dien Hpe sinh: Thio luin, trao ddi y kiln va doa nguydn li -Mdt khung diy mang ddng dipn dat 10 trUdng chju lie dung cua mdi ngiu lUe 10 lim khung quay xung quanh mpt true Giio vien: V l nguyen tic ehung ta ehi lao dope ddng cd dien, nhong viec lim dd phOc tap, ehung ta ed Ihl sou tim eic DmjvaHpc SO 5-2011 •/\r,.n SAY ddng cd dien mdt chieu Hpe sinh: Thao luan v l c i c ddng eP dien mdt chilu m i da quan s i t Ihly ddi sdng: dpng cd d Id thoi dOng c i c bep than va cui, c i e dd chdi trd em, c i c linh kipn dien Id bj hdng nhu dau Video *(Gia cdng, suu lam cac v i t lieu d l l i m cac bd p h i n cdn lai) Giio vien: Vdi d n cau dipn nhU ehung la da quan sit va md t l , cac em hay dung c i c v i t lieu de gia edng dupe thin va bp can cau de d i m bao g i n c i c bd phan ehung la e h i tao hpp li nhat Odng thdi eic em eung phai sUu t i m ngubn dien mdt chieu, c i c d i y ndi, cdng tie Hpe sinh: B i n cae phUdng i n : -Dung gd de l i m thin va be can cau -Ngubn dien mpt ehilu l i y 10 cac Pin hoac icquy -Cie d i y ndi lay 10 day d i n dien, hoac day dien thoai, cong lie liy to c i c vat dung sO dung dien bj hdng nho db chdi tre em, c i c quat bj hdng Giio vien: Nhiem vu eu the eua tflng nhdm Ihoc hien d nha nho sau: Nhdm 1: Che tao nam cham dien Nhdm 2: Sou lam cac ddng ed dien mpt chilu Nhdm 3: Gia cdng cac bd phin eua can eau Nhdm 4: SUu lam eic ngubn dipn, cdng tic, day d i n , banh rdng rpc Budi 3: ThUc hien k l hoaeh Giio vien: Nhie lai eae ydu cau ddi vdi c i c nhdm da giao nhiem vu d buoi hpc trudc Cho hpc sinh trinh bay ke't q u i da lim dupe thdi gian d nha Giai dap nhflng thic mac d hpe sinh Hpc sinh: Trinh b i y nhflng k i t qua da dope giao, cu the: -Nhdm da c h i tao dope nam cham dien bang viec c i c em d i dua d i n Idp nhflng nam ehim dien khie nhau: em Ihi sO dung eii dinh lam Idi, hpe sinh khie thi sO dung buldng sit l i m ldi , ndi ehung cac em nd'i d i u day vdi cOc cua ngubn dien Ihi kel qua nd hut dope eic vat nhO ghim giay, mau sit vyn -Nhdm sUu l i m dupe nhieu ddng cd dien nhu d Id thdi, Irong thill bj dipn lO bj hong, c i c em da han s i n hai day d i n v i o eye cua ddng cd nen ndi ngubn dipn vao day thi quan s i t I h l y ddng cd hoat ddng ra't lot -Nhdm da ehuan bj ra't nhieu vat dung nhu c i c t i m gd da dupe cua xe true cua d n cau, c i c khdi gd l i m be can cau, c i c vat lieu v i dyng cy khie nhU: dinh, bua, cUa de cd the theo yeu d u ehung m i gia cdng them -Nhdm dua de'n Idp eic loai Pin khd (pin thd, iequy da qua sO dyng, bd sac dipn vpt b i t mudi), c i c loai binh rdng rpc d bang d i i cat xet bj hdng, c i c d i y d i n Giio vien: Trong qua trinh IhOc hipn c i c edng viee tren ehung la ed vUdng m i c gi khdng? Hpc sinh: Neu c i e vudng m i c nhu: - Khdng b i l l each l i m eho nam cham hut dupe c i c v i t bing sat ning hdn, chua b i l l c i c h che tao nam c h i m dien dung ky thuit - C l u tao cua ddng cd dipn mdt ehilu khdng gidng nhO thay d i md l l c l u tao? G i i o vien: T r i ldi c i e thae mac cua hpe sinh b i n g c i c h eung c i e em e h i lao tai I6p nam e h i m dien d l l i t e l cac hpe sinh khac cung theo ddi, giao vien n h i e lpi ed sd ly thuyet 33 Theo li thuye't la da hpe dng day cd ddng dien chay qua se hot c i c vai bang s i t vi dd dng day gidng nhO mdt nam cham Tren ed sd dd v i 10 c i e dung cy da ed em hay IhOe hien eieh l i m Hpc sinh: lay d i y dbng q u i n v i o buldng, hai d i u day ndi vdi ngubn l i ac quy, quan s i t tha'y dng d i y hOt dinh sal Giao vien: Mudn tang sOc hut cua nam cham ta l i m the n i o ? Hpc sinh: Thao luan v i dOa c i e y kiln: -Cudn lang sd vdng day len 100 hope 150 vdng -Tang hieu dien I h l dat vao dng day Giio vien: Theo c i c y kiln de xuat, ehung la c h i tao nam cham dien.Giio vien hodng d i n hpc sinh Hpe sinh; Lay d i y dbng e may cd ? 0,3, ? 0,5 ly quan quanh mpt bu Idng sit, cudn 10 100 de'n 150 vdng, hai dau bu Idng ed hai e eu de giO day cudn, trude cudn day nen bpc bu Idng bing mdt lupl gia'y xi mang, hai dau d i y cudn ta cao sach e may va nd'i vdi ngubn dieh 1,5V; 3V; 4V la la cd mdt nam cham dien dang thing hinh try, se ed mdt dau eye b i c va mpt d i u cOc nam Giio vien: T h i o mpt dpng ed dien v i eung hpe sinh quan s i t , giii thieh cau lao, nguyen li hoai dpng, thdng qua dd cung CO kiln thOc dien 10 Giao vien: V i n d l quan trpng n h l l la ehung la lip rip cie bd phin cho hdp li nhat d l lao thinh d n cau dien (giio vien ve can cau dien len bang), c i c em hay de xuat phOdng i n Hpc sinh: Doa c i c y kiln: -Gin rong rpc v i o mdt dau cua true d n cau, dau cdn lai g i n vao dpng cd dien de lao chOe nang eho mde hang (nam cham dien) cd I h l di chuyin len xudng -True can eau g i n thing dOng v i o true cua dpng cP dien dope g i n d be de lao chOe nang cho can eau quay sang phii, sang trii hoic quay vdng Giio vien: To chOc cho hpc sinh Ihoc hien y lOdng eija minh va theo ddi Hpc sinh: Thoe hien v i neu c i c vUdng m i c : -Thao t i c lam quay theo c i e chieu khie eua ddng cd dien phOc lap, bdi ludn phai doi coc cua ngubn dien l i m doi chilu quay cua dpng ed -True can c l u khdng c h i c c h i n bdi nd dope g i n tren true mpt dpng cd -Tdc dp quay cua ddng cd q u i nhanh, khd diiu khien d l IhOc hipn thao t i c bde dd hang Giio vien: C i e phuong an khie phuc nhupe diem tren Hpc sinh: V i n d l dat l i phii bd tri hdp li c i c bd phin de d n c l u van hinh td't, viec Irudc lien la than v i be can cau phai vOng chic, cd c l u mach dien linh hoat Giio vien: Trong dung eu rat gan gui vdi ddi sdng hien nay, cd ri't nhieu vat bj hdng ta cd the lpn dung dd l i dau Video, bd phan Ird bang hinh la v i t ma ehung ta dang can (diiu thu vi l i bd phan n i y ed chOc nang giim lde) Yeu d u c i c em v l n h i sOu tam v i gia cdng them Giio vien: Yeu d u eudi eOng la t h i l l k l mach dipn hpp li d l c i e bd p h i n hoat ddng theo mue dieh ngodi sO dung Theo ehOc nang cua c i c bd phan Hodng d i n hpc sinh Ihie'l k l mach dien, chu y linh Ou vipt cua cdng t i c d i o chilu Bdi ne'u lao dope edng l i e dao chilu thi doi dope chieu quay ciJa dpng ed Sd bp mach dien dinh hinh nho sau: 505-2011 Df.lijyiHQC So bo mach dien dinh hinh nhu sau: Nam cham Mo to- 6V Con" tac dao chieu ''Noi dung cua \'iec che tao tom tat nhu sau: Cac yeu to ky thuat can dat duoc l.Can cau thuc hien chuc nang boc va da hang 2.Giin cau quay sang trai da hang sau sang phai boc hang 3.Dau can cau di chuyen len \u6ng 4.Bo tri he thong cong lac hop ly tao each dieu khiC-n thuan loi 5.Bo In' ca ciiu lie tiiong thich hop, gon nhe, Iham ml 6.Mach dien hop li sir dung duo'c cac chuc nang cua can cau ma chi CO imuon Cac bo phan cau thiet bi Nam cham dien Dong CO dien chieu Dong CO dien cliieu va he thong rong roc Bang dieu khien co cong lac ung \c7i bo phan sir dung dien Than va be can cau I ic thong mach dien Giao vien: Yeu cau hpc sinti ve nhattiUc hien nhflng phUdng an da neu tren, co the nhd sO trd giup cua phu huynh lien trinh hoat dpng De nghj ca nhom deu thuc hien viec che tao can cau dien Buoi Nghiem thu, hoan thien dung cu, ke't qua Day la buoc quan trpng de danh gia hieu qua viec giang day va kha nang nhan thOc d hpc sinh Giao vien; Yeu cau cac nhom len bao cao kel qua che tap dung cu cua minh Hpc sinh: Dai dien cac nhom len trinh bay san pham da che tao: bang viec thuat lai cac qua trinh thuc hien, cac vudng mic, each khie phuc Neu tinh nang cua san pham Bat ngo la ca nhcm deu c6 dung cu voi cac bp phan yeu cau d buoi hpc trUdc, nhien chi co san pham cua nhom thO la tot ho'n ca dung cu cua cac em co chuc nang nhu mpt can cau dien su dung ddi scng, mpi em dai dien chp nhom len trinh dien Ihap tac bcc chiec dinh sat 10 vi tri cho trade bo vao mpt vp hop diem rat thuan thuc Nguyen ly, vat lieu che tao Tiianh sat duoc quan bdi cac vong day noi vol nguon dien Tuong tac tir dong co lay tu 16 thoi hoac choi cua tre em ruong tac tir dong ca lay tir 16 Ihoi hoac choi ciia Ire em Cong tac dao chieu tir lam bang cac hop so quat Iran bi hong Vat lieu lay tir dau chieu hinh VIDEO hong (bo phan tra bang hinh) Cach mac mach dien chieu, nguon la acquy 6V Hinh chup can cau dien hpc sinh da che tao .J DmjvaHQC so^5-2011 G i i o vien: P h i n lich c i e Uu d i i m v i nhopc d i i m c i c s i n pham eua e i c nhdm, luyen dOdng nhdm 2, yeu d u cac nhdm khae l i i p tuc h o i n thien t h i l t bi tren cP sd tham k h i o s i n pham eua nhdm Quan sat hoat dgng hpc sinh qua trinh thi/c nghiem Buoi Sd lupng hpc sinh tham gia 46/46 em Thye hien sau tiet n g i y thO tuan thO -Khi g i i o vien d i t vi'n d l , chpn d l t i i nghien cOu l i cau dien i l l e l hpe sinh hinh dung dope npi dung edng viec p h i i l i m Cac em Id thich thu, ban tan ve d u lao, hoat dpng cua nd -Tat c i hpc sinh ghi chep ti mi nhflng yeu d u cua viec tim h i i u d n cau dien Mpi sd em da 10 vach ke hoaeh di quan sat d n cau dien d cang COa Ld -Buoi IhO nha't d i l n khoang thdi gian 40 phut, da d i m b i o mue tieu de nhO: gidi thieu can cau dien, c i e ehflc nang eua nd, de nhiem vu nghien cOu, vach ke hoaeh hoat dpng Nhflng dieu can ehO y lien Irinh Buo'i Sd lopng hpe sinh tham gia 45/46 em Thyc hien sau t i l l IhO tuan thO -Khi g i i o vien yeu eau cac to bao cao k i t q u i lim hieu, cac em nhdm trudng d i u gip lay xin b i o e i o Cd b i n cac em Irinh bay dope nhflng van de cd b i n nhi't eua can cau dien Sau day la 1dm l i t b i n bao eao cua to 1: BAG CAO TlM HIEU CAN CAU DIEN CUA TO Sd lOdng tham gia: 11 hpc sinh Thdi gian di tim hieu: 14h Dia diem lim hieu: C i n g COa Ld Kel q u i : * V l d u lao d n cau dien: mde h i n g nd 10 ddng hut dupe kim loai nho ednglennP, v i t lieu b i n g s i t , cd d i y cap d l di ehuyen mde h i n g len xudng, ed true d n cau, be dd, bubng dieu khien *Hoal ddng cua d n cau: mdc h i n g nhd day cap di chuyen len xudng bde h i n g , true can eau di ehuyen sang p h i i , sang trai hoac quay vdng d l bde v i dd h i n g * V l tinh nang: d n cau hoai dpng k h i linh hoat, dac biet bde v i dd h i n g khdng can c i e ehu edng nhan p h i i mdc vat v i o v i dd vat Cdng viee n i y h o i n l o i n to dpng * N h i n xet: d e i n g cd nhieu can eau h i n g nhong d i i m khae vdi d n cau dipn l i d e i i mdc h i n g (nd khdng "10 dpng" nho c i i mdc h i n g cua d n cau dien) Khi g i i o vien ve hinh d n cau len b i n g v i yeu d u hpe sinh ehu thieh c i e bp phan, ed rat n h i i u em xung phong len de chi cac bd p h i n C i c cung neu dope linh nang c i e bd phan Qua sy t h i o l u i n sdi ndi c i e em hpe sinh d i di d i n dupe thd'ng nhi't: -Ddi vdi mdc h i n g gidng nhU mdi e i i nam cham cd the hut s i t , nhung vi nd bde v i nha hang tu ddng nen nd c l u lao to mpt nam e h i m dien - D i y c i p treo mde h i n g di c h u y i n len xudng, nen nd cd the dope eau lao tO ddng ed dien -Tryc can cau quay sang p h i i , sang t r i i hoac quay vdng, nen nd cung cd t h i dope eau lao 10 ddng cd dipn 3S Khi g i i o vien dat yeu cau e h i lao bd phan n i o ed em neu dope e i c yeu d u sau: -Che lao nam e h i m dipn -Che tao ddng cd didn -Gia edng, sou lam cac vat lieu nhu gd, kim loai de lam c i c bd phan eua d n eau -Chuan bj ngubn dien, spi d i y ben, nhe, b i n h rdng rpc, day d i n dipn Cd em hpe sinh nhd kien IhOc da hpc de van dung ehe lao nam e h i m dipn Giao vien: em h i y liet ke e i c vat lieu d n Ihie'l de che tao nam cham dien Hpc sinh: V i t lieu gbm ed: mpt buldng s i t , day dbng e may, gia'y xi mang, ngubn dien Giao vien: Theo k i l n thfle la d i hpe Ihi la thyc hien nhu the nao Cac em hpc sinh hao hOng lua chpn sd dyng e i c vat lieu giao vien cung cap cho de che tao nam cham dipn Cae em lay day dbng quan v i o buldng, hai dau d i y ndi vdi ngubn la acquy, quan s i t hien lUdng d i t dng day g i n dinh s i t Hien tupng s i t quan day dpng ndi vdi ngubn dien hut dupe c i c dinh nhd, chiec chia k h o i d i l i m c i c em thieh Ihu Cd hpe sinh nhd va neu dupe nguyen li eua dpng cd dien mpi chieu: -Mpi khung d i y mang ddng dien d i t Irong 10 trodng chju t i c dung cua mpt n g i u loe 10 lam khung quay xung quanh mpt true Hpc sinh da I h i o luan v l c i c dpng cd dien mpt chieu m i d i quan sal tha'y ddi sdng: dpng cd d Id thoi dung cae bep than va cui, c i c db chdi trd em, e i c linh kien dien tO bj hdng nho dau Video Cu I h l cac em da 10 dat c i e nhiem vu nhO sau: -Ngubn dien mdt chieu lay 10 c i c Pin hoac i c q u y -Cac d i y ndi lay 10 day d i n dien, hoac d i y dipn thoai, cdng t i e li'y 10 cac vat dung sO dung dien bj hdng nho db chdi tre em, cae quat bj hdng Buo'i 3: Buoi thO ba cac em hpe sinh da mang den Idp cac san pham 10 minh sOu lam v i ehe lao C i e lb da lan lOdt b i o e i o s i n pham eua minh Khi em hpc sinh trodng nhdm len b i o e i o ehung ldi quan s i t thay, c i c t h i n h vien cua lb Id rat lo l i n g , mong eho s i n pham cua to minh hoat dpng lot Sau moi lan b i o e i o c i Idp lai vang len nhflng t r i n g phao lay cd vu S i n pham eua c i c to eP b i n d i p flng nhiem vu de Cu I h l : nhdm da che tao dope nam cham dien, nhdm sou lam dope nhieu dpng ed dien, nhdm da chuan bj rat nhieu v i t dung nho eae l i m go da dope cOa xe t h i n h true ciJa d n eau, c i c khdi gd l i m be d n cau, c i e vat lieu v i dung cu k h i e nho: dinh, bua, coa nhdm dUa d i n Idp c i e loai Pin khd (pin eon thd, i e q u y d i qua sO dung, bp sac dipn vdt bat mudi), c i e loai b i n h rdng rpc d Irong b i n g dai o i l xel bj hdng, c i c day d i n C i c vUdng m i c eua hpe sinh dUde g i i o vien v i hpe sinh g i i i q u y l t lot, lam eP sd d l cdng vipc tiep tyc h o i n thinh s o 5-2011 Hpe sinh d i thao t i e td't vdi viee ehe lao nam cham dien, cac em da lay d i y dbng e may cd 0, ly quin quanh mdt bu Idng sat, cud'n 10 100 d i n 150 vdng, hai dau bu Idng cd hai e eu d l giO day cuon, eic em chua b i l l cudn day nen bpc bu Idng bang mpt lUpt gia'y xi mang, hai dau d i y cudn ta cao sach e may Cac nhiem vy dat cho hpe sinh cd bin cie em d i u CO gang tbuc hien dUpc, d i p Ong mue tieu, yeu d u cua buoi ngoai khda dat Cdng doan tao mach dien va he thdng edng t i c Ihfle sy giup cac em lim hieu kT hdn mach dipn mdt chieu, k h i nang giai quyel cae yeu cau thOc tiin dat Khi giao vien yeu d u hpe sinh ve n h i IhOe hien nhflng phOdng an da neu, cic em td ve ra't thich IhO bdi cdng viee dang dd dang v i em nao cung nghT nd'i dope trd giup chie chin s i n pham eua minh se ldi Ou nha't Buo'i Nghiem Ihu, hoin thien dung eu, kit qua Buoi hpc diln ra't sdi noi bdi lb nao cung mudn trinh bay trode sin pham eua lb minh, nhien ehi ed sin pham cija nhdm IhO l i lot hdn ea, dyng cy cua cic em cd chOe nang nho mdt d n c l u dien sii dung ddi sdng, mdt em dai dipn cho nhdm len trinh diln thao t i c bde chile dinh sit 10 vj tri eho Irodc bd v i o mdt vd hop diem r l l Ihuin Ihuc Cac em hpc sinh khac vd tay khen ngdi san pham hoat dpng ra't td't Nho vay d n eau dien vOa c h i lao ed ehOc ning gan gidng cic d n eau dien d cae eing Idn vdi ehOe nang bde dd cic ednglennP, vat lieu bing sit Oieu dd lim eho hpc sinh thich thO, hOng khdi vdi cie b i i hpc bdi cie em da to tao sin pham cua minh qua dd dope so CO vu cua thay cd v i cie ban Cu the 10 thie't bi cd the mang d i n eho hpe nhflng nhin IhOc khoa hpe sau Cung ed khac sau phan 10 IrOdng, hpc sinh hieu sau sac: ne'u cho ddng dien di qua cudn day quan quanh Idi sit thi nd hinh thinh mdt nam chim dien cd to trodng manh, kiln IhOe ve md'i quan he dien 10 dope cung ed Hpe sinh b i l l dope nguyen ly, cau lao v i cd the e h i lao ddng eP dien mdt ehilu, kiln IhOc tOdng tie to dope khie sau Hpe sinh dope nghien cOu, thoe hanh cich mic mach vdi mach dien phOe lap bdi yeu d u dat ddi vdi thie't bj k h i phong phu ma chi cd mpt ngubn dien Ke't luan Viec hpc sinh c h i lao DDDH bing day hpe an khdng ddn thuin tao dyng eu hpe tap m i qua dd hpe sinh dope dn lai kien IhOe mdn hpc, tich eye sing lao hoat ddng, hinh thinh cac ky nang, nghj lpe vopt qua cie Ird ngai, ed nilm tin v i o khoa hpe Khie phyc han che cua viee day hpc hien nay, thien v l ly thuyet, thilu thoe hinh Day eung l i hinh IhOe day hpe can nghien eOu va trien khai day hpe vat ly Giai pliap DmjvaHpc (Tidp theo trang 26) - Nhdm III: Doi mdi cong tic chi dao quan ly hoat ddng day hgc gbm giai phip: Chi dao HDDH eua giio vien theo linh than day hpc tieh eye; ren ky nang tU hpc eho hpe sinh; phd'i hpp vdi cie to ehOc doin the, hpi cha me hpe sinh t^o mdi trudng sU pham linh manh nang cao chat lUdng day hpe Mye dich ning cao hipu qua quin ly eija Hipu trudng viee thye hien quy ehe chuyen mdn, ke hoaeh day hpe, thdng qua vipc day hpe tieh hpp ren luyen cic ky nang hpe cho hpc sinh; xiy dyng khdi doin kit phat huy sUc manh tong hpp cda nha trudng tao ddng lUc eho day hpe - Nhdm IV: Doi mdi cong tie kiem tra danh gia chat lUdng day hgc theo tinh than ndi khdng vdi tieu cUe thi cCf vi benh thinh tich giio diJc gbm giai phap : Doi mdi cdng tic kiem tra dinh g i i hoat ddng day hpc; doi mdi edng tie kiim tra, danh g i i kit qua eua hpc sinh Myc dieh ngin ngUa cac vi pham quy che chuyen mdn, thuc day eic hoat ddng cua giao vien v i hpc sinh theo hUdng tieh eye, nang eao nang lUe giang day cua giio vien va ehi't lUdng hpe tip eua hpe sinh THCS Mue dieh han che cie sai pham v l thUe hien quy che ehuyen mdn, tang eudng linh trich nhiem eiJa md giio vien, ning eao nang lue cua tap t h i giio vien; ning cao chat lupng kiim tra dinh gia k i t q u i hpc tap eua hpe sinh Ket lu§n va l(ie'n nghi - Cae nhdm giii phip d l xuat dupc da sd dpi ngu CBQL v i giio vien dinh gii l i "rll d n thie't" v i "can t h i l l " va cd linh Ihi cao, sb y kien niy ehilm trdn 90% long sd y kiln tham gia tra Idi O l giup cic trudng THCS thue hipn eic giii phap quan ly nang cao chit lupng day hpe Phdng GD&DT huypn Hbng Ngu can tham mUu vdi UBND huyen quan lam dau tu CSVC theo ehuan cho cic n h i trodng, cd chinh sieh ho trd CBQL giio vien hpe tip nang eao trinh dp chuyen mdn nghiep vy; dope giao lOu trao doi kinh nghiem vdi eic trudng diim va ngoai llnh Hieu trudng cie trudng THCS d n nghien cOu van dung linh hoat cie giii phip de xuat, tao diiu kien eho dpi ngu CBQL v i giio vien hpe tap nang eao trinh dp chuyen mdn, nghien eOu doi mdi PPDH, Ung dung CNTT vio day hpc v i quin ly day hpe, chu trpng cdng tie kiim tra, dinh gii khen thudng nhflng CBQL, giio vien day td't, hpe sinh hpe lot d l tflng bode ning eao ehi't lopng day hpe theo yeu d u doi mdi su nghipp giao dye v i dao tao hien TAI LIEU THAM KHAO Chien lUde phat trien giao diJC 2001-2010 (2002), NXB Giao due H i Ndi Dang cdng san Viet Nam (1997) Nghj quyet TW2 (Khoa VIII) " ve djnh hudng ehien lUde phit trien GD&DT thdi ky CNH - HOH v i nhiem vu de'n nam 2000" NXB Su that H i Ndi Dieu IS trudng phd thdng (2007), NXB Chinh trj Qud'c gia H i Ndi De i n "nang cao chat lUdng GD&DT vi chuan hoi he thd'ng trUdng hgc Huyen Hong NgiJ giai doan 2006 - 2010" ciia UBND huyen Hbng Ngu, llnh Obng Thip ... cu, ke''t qua Day la buoc quan trpng de danh gia hieu qua viec giang day va kha nang nhan thOc d hpc sinh Giao vien; Yeu cau cac nhom len bao cao kel qua che tap dung cu cua minh Hpc sinh: Dai... IrOdng, hpc sinh hieu sau sac: ne''u cho ddng dien di qua cudn day quan quanh Idi sit thi nd hinh thinh mdt nam chim dien cd to trodng manh, kiln IhOe ve md''i quan he dien 10 dope cung ed Hpe sinh b... can eau quay sang phii, sang trii hoic quay vdng Giio vien: To chOc cho hpc sinh Ihoc hien y lOdng eija minh va theo ddi Hpc sinh: Thoe hien v i neu c i c vUdng m i c : -Thao t i c lam quay theo