Đang tải... (xem toàn văn)
HUONG DAN QUAN LI SU DUNG PHOI HCfP THI NGHIEM VA PHIEU HOC TAP TRONG DAY HOC NHOM PGS TS Ld Vftn Gifio Tru&ng Dgi hgc Suphgm Dgi hgc Hui Vfin Thj Gfii HVCH Vdt /j> KI9 tru&ng DHSP Dgi hgc Hui Trong d[.]
HUONG DAN QUAN LI SU DUNG PHOI HCfP THI NGHIEM VA PHIEU HOC TAP TRONG DAY HOC NHOM PGS.TS Ld Vftn Gifio -Tru&ng Dgi hgc Suphgm -Dgi hgc Hui Vfin Thj Gfii - HVCH Vdt /j> KI9 tru&ng DHSP -Dgi hgc Hui T rong dgy hgc nhdm, thl nghipm (TN) ciing vdi philu hgc tgp (PHT) la nhiing phuomg tipn cdn thilt cho vipc to chiic hogt dgng hpc tgp nhdm ciia hgc sinh (HS), Qua TN HS cd the ty tim kiem vd thu nhgn kiln thirc mdi Dl hudng dan hogt dgng hgc tgp ciia HS dgy hgc nhdm can phai dua nhirng thdng tin, nhu:ng nhipm vy, cung nhu nhung djnh hudng, chi dan vd nhu'ng ggi y giiip HS thye hipn cac nhipm vy dugc giao Nhung thflng tin cd the ddn vdi HS nhanh vd chinh xdc qua PHT Do dd phoi hgp TN vd PHT dgy hgc nhom cd tdc dung tich cyc frong tfl chiic hogt dgng hgc tap ciia HS Su' dung phoi hpp TN va PHT day hpc nhdm 1.1 Cdc yeu cdu thiit ki PHT De thiet ke dugc mgt PHT hfl trg TN can qudn tript cdc ydu cdu sau: - Nghien cim ngi dung bdi hgc vd lya chgn TN sir dyng frong bai hgc Vgch nhiing nhipm vy, nhung hoat dgng hgc tgp cy thl cua HS Dy kiln nhiing khd khSn HS cd the gap phai thye hipn cdc nhiem vy hgc tgp dugc giao - Dua nhitng hudng din va ggi y nhdm giam nhp khd khan cho HS - PHT phdi the hipn rd y ngi dung trpng tam ciia bai hgc Ngi dung phieu hgc tgp vd myc dich sii dyng - PHT phdi dugc trinh bdy thudng Id nhOng thong tm, rd rdng, sdng siia, chiia dyng nhDng nhQng nhipm vy hpc day dii nhiing thflng tin can tgp dugc giao cho HS (ho$c nhdm HS) thye hipn, cung vdi thilt - PHT phdi phii hgp vl m Jt nhu-ng hudng dan vd nhCtng ggi y can thiet dh thye hipn thdi gian - PHT phdi sdt vdi tirng ngi nhipm vy Ngi dung PHT dung ciia bdi hgc vd tirng hogt kit hgp TN thudng la nhOng hudng dan ldp rdptiiinghipm, dgngcy the ciia HS L2 Thiet ke PHT phoi cac budc tien hanh, each thu hgp vdi TN to chirc dgy thgp, xii ly so lipu vd nit ket luan hgc nhom Bu&c 1: Xdc dinh muc lieu Bu&c 4: Trinh bay phieu De PHT phdt huy vai trd cua hgc tap Cflng giflng rihu thiet nd frong dgy hgc nhom ddi kl bdi dgy hgc, GV cdn dy hdi GV phdi xdc djnh myc tieu kien nhirng tinh huong c6 the cua bdi hgc, tir xdc djnh myc xdy vd each xii ly, vipc thiet dich sir dyng PHT cho timg kd PHT cung cdn du doan ngi dung cy thl cua bai hgc trudc nhitng khd khdn ma HS Tren ca sd dd chi nhitng se gdp dl dua nhitng ho trp hogt dgng vd nhitng nhipm vy kjp thdi cy the cua HS tirng hogt Tliiet ke PHT vdi TN dgng d^y hpc bai '*Cam ung tir Bu&c 2: Xdc dinh trgng Dinh iu9t Ampe** (V^t li U) tdm kien thuc ciia bdi hoc Trong bai "Cam img tir, GV nghien cim ky ngi dung djnh lugt Ampe", TN dugc bdi bgc, xdc djnh frgng tam sii dyng dl nit ^nh nghia kien thiic ciia bai hgc va chudn cdm img tir Trong dd can phai kien thiic, chudn ky ndng hgc thye hipn ba thi nghipm 1,2,3 sinh cdn dgt dugc sau hgc SGK vd thl hi$n ket qua bdng Tu dd chi nhung ngi dung, bang (28.1; 28.2 vd 28.3) nhitng kiln thirc ciia bai hgc Sau dd dimg cac bang so lipu cd the tfl chuc dgy hgc nhdm thu dugc dehudng ddn HS nit vdi sy hfl fry cua TN vd PHT djnh nghia cdm iing tu Cy Dong thdi xdc dinh nhiing thi thl, TNI khao sat mfli lien hp nghiem se tien hdnh frong bai gitta F vd I, TN2 khdo sdt moi hgc lidn hp giOa F va 1, TN3 khdo Bu&c 3: Xdc dinh ngi dung sat moi lien he giu'a F vd sin PHT Ngi dung cua PHT dugc a Tuang iing chiing ta thiet xdc djnh frdn ca sd myc tieu ke PHT, bao gom: PHT so I Ngdy nhan bdi 29/8/2012, Ngay duy$I ddng 25/11/2012 • TiBiPCHfTHI^BIGIAODMC-Sd88-12/2012 HL/ONG DAN QUAN LI Sl/DUNG la khao sat su phy thugc ciia F vao vdi hai nam chdm khdc nhau; PHT sfl khdo sat sy phy thugc cua F vao vdi hai nam cham khdc nhau; PHT sfl khao sdt sy phy thugc eua F vao gdc a vdi hai nam cham khdc va PHT sfl tong hgp cdc ket qud d PHT 1, 2,3, fren ca sd thdo luan nhdm de dua kdt lugn ve quan h^ giita F vdi I, vd sina Nh§n xet ve ti so /r^r^ddi vdi mgt nam chdm vd doi vdi hai nam cham khdc Sau dd dudi sy hudng dan ciia GV dl dua djnh nghTa cdm iing tir Sau day la cdc PHT dimg bdi "Cam iing tir Djnh lugt Am-pe", vat li 11 nang cao Luu y: GV can phdi tien hdnh cdc TN trudc nhdm thu PtUtV llQCTAPSi thgp dugc so li4u de lgp sin cdc bdng so lipu cac PHT Sau cdc nhdm thao lugn vd trinh bdy xong, GV dua cde ddp dn ciia cdc PHT nhdm chinh xdc hda kidn thirc Kit lu§n Vide sir dyng phii hgp TN vd PHT dgy hgc nhdm nhdm phdt huy tfli uu chiic ndng eiia moi phuang tipn, fXem tiep trang 37} P l l l t l i l i p t TArS()3 I - i)2M Cm l.opi kB va dudng si ta chicu dai doan day AB I a \h.\y Joi ciiimg dodon^ Ip dftng dien qua moi c tu tuong ung \ ao bang Bdng 1.1 Khi ddng Oifn c6 cir^g d^ 0.4 A Oi qua c """•^ "'"""" Cham aifn =90^/= 4.^ UA) F(N) 40 SO 120 / Thi nnhim ' Bo in Ihi nghidm nhu hinli biin UiftriEuyeti u 90" vai - 80 A chodnnj; tlaii e.i citong iii,in.4 A qu.i cuon day cua nam cham ilicn thay doi chicu dai I cua doan day AB Ghi lai Ion lire lir luong im|: vao ban); I Bang Khi ddng difn cd cuang dg 0.4 A di qua ck&m di^r Q = 'JO",/ = SO/l F(N) LanTN l(cm) im F- Nhan \it: -Thuoniisd - PHIEII HOC TAP SO (Diing muc - 428 Cani img tu Dinh lual Am-pe-11 NC| tf^Hft' PH]rilHpCTAPS04 iDiingirongmgcl-j2E Cam ung tu Dinhlujt Am-pe-1 INC) ' Lop Thinghcm ? B6 in thi nghiem nhu huih ben mL^ • - ^ ^ ^ , Tu cac bang so lieu PHT 1, PHT va PHT hay lia Im cac cau hoi sau Gitt npyoi = 120 A va = 2nn cbo dmg dien co cuong tl6 IjffffV^^ Cacthuoagso - , - v a —ttongmoibangcogiairinhuihenaa'' 0,4AquacupndiycuanatDi:hani dien diaydoigocQ Ghilaj Ion luc tit nrtmg ting vao bang Bang 31 Khi ddng Min ci atdng So 9,4 A di qua cu^n day cua nam cham dien Mra (]ujn lit giirn F \v\ 1, F vcn va giua F \m sino' I^mAJ = 2i:i« Bien Ihue tli