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[.]
Trang 1PHOI 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 dgy hgc nhdm, thl - PHT phdi the hipn rd y do ngi dung trpng tam ciia bai
nghipm (TN) ciing vdi vd myc dich sii dyng
philu hgc tgp (PHT) la - PHT phdi dugc trinh bdy
nhiing phuomg tipn cdn thilt rd rdng, sdng siia, chiia dyng
cho vipc to chiic hogt dgng hpc day dii nhiing thflng tin can
thilt
- PHT phdi phii hgp vl m Jt thdi gian
- PHT phdi sdt vdi tirng ngi
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 trong dgy hgc nhdm
can phai dua ra 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 nay cd
hgc Ngi dung phieu hgc tgp thudng Id nhOng thong tm, nhDng nhQng nhipm vy hpc tgp dugc giao cho HS (ho$c nhdm HS) thye hipn, cung vdi nhu-ng hudng dan vd nhCtng
ggi y can thiet dh thye hipn
nhipm vy Ngi dung PHT dung ciia bdi hgc vd tirng hogt kit hgp TN thudng la nhOng dgngcy the ciia HS
L2 Thiet ke PHT phoi hgp vdi TN trong to chirc dgy hgc nhom
Bu&c 1: Xdc dinh muc lieu
De PHT phdt huy vai trd cua the ddn vdi HS nhanh vd chinh nd frong dgy hgc nhom ddi kl bdi dgy hgc, GV cdn dy xdc qua PHT Do dd phoi hgp hdi GV phdi xdc djnh myc tieu kien nhirng tinh huong c6 the
TN vd PHT trong dgy hgc cua bdi hgc, tir xdc djnh myc xdy ra vd each xii ly, vipc thiet nhom cd tdc dung tich cyc dich sir dyng PHT cho timg kd PHT cung cdn du doan frong tfl chiic hogt dgng hgc ngi dung cy thl cua bai hgc
tap ciia HS Tren ca sd dd chi ra nhitng
1 Su' dung phoi hpp TN hogt dgng vd nhitng nhipm vy
va PHT trong day hpc nhdm cy the cua HS trong tirng hogt
dgng
Bu&c 2: Xdc dinh trgng tdm kien thuc ciia bdi hoc
GV nghien cim ky ngi dung bdi bgc, xdc djnh frgng tam kien thiic ciia bai hgc va chudn kien thiic, chudn ky ndng hgc sinh cdn dgt dugc sau khi hgc
Tu dd chi ra nhung ngi dung, nhung hoat dgng hgc tgp cy nhitng kiln thirc ciia bai hgc Sau dd dimg cac bang so lipu thl cua HS cd the tfl chuc dgy hgc nhdm thu dugc dehudng ddn HS nit
Dy kiln nhiing khd khSn vdi sy hfl fry cua TN vd PHT
Dong thdi xdc dinh nhiing thi nghiem se tien hdnh frong bai hgc
Bu&c 3: Xdc dinh ngi dung PHT Ngi dung cua PHT dugc
xdc djnh frdn ca sd myc tieu
1.1 Cdc yeu cdu trong
thiit ki PHT
De thiet ke dugc mgt PHT
hfl trg TN can qudn tript cdc
ydu cdu sau:
- Nghien cim ngi dung bdi
hgc vd lya chgn TN sir dyng
frong bai hgc
Vgch ra nhiing nhipm vy,
HS cd the gap phai khi thye
hipn cdc nhiem vy hgc tgp
dugc giao
- Dua ra nhitng hudng din
va ggi y nhdm giam nhp khd
khan cho HS
Ngdy nhan bdi 29/8/2012, Ngay duy$I ddng 25/11/2012
hudng dan ldp rdp tiii nghipm, cac budc tien hanh, each thu thgp, xii ly so lipu vd nit ra ket luan
Bu&c 4: Trinh bay phieu hgc tap Cflng giflng rihu thiet
trudc nhitng khd khdn ma HS
se gdp dl dua ra nhitng ho trp kjp thdi
2 Tliiet ke PHT vdi TN d^y hpc bai '*Cam ung tir Dinh iu9t Ampe** (V^t li U) Trong bai "Cam img tir, djnh lugt Ampe", TN dugc sii dyng dl nit ra ^nh nghia cdm img tir Trong dd can phai thye hipn ba thi nghipm 1,2,3 SGK vd thl hi$n ket qua bdng
3 bang (28.1; 28.2 vd 28.3)
ra djnh nghia cdm iing tu Cy thl, TNI khao sat mfli lien hp gitta F vd I, TN2 khdo sdt moi lidn hp giOa F va 1, TN3 khdo sat moi lien he giu'a F vd sin
a Tuang iing chiing ta thiet
ke 4 PHT, bao gom: PHT so I
Trang 2la khao sat su phy thugc ciia F
vao 1 vdi hai nam chdm khdc
nhau; PHT sfl 2 khdo sat sy
phy thugc cua F vao 1 vdi hai
nam cham khdc nhau; PHT sfl
3 khao sdt sy phy thugc eua F
vao gdc a vdi hai nam cham
khdc nhau va PHT sfl 4 tong
hgp cdc ket qud d PHT 1, 2,3,
fren ca sd do thdo luan nhdm
de dua ra kdt lugn ve quan h^
giita F vdi I, 1 vd sina Nh§n xet ve ti so /r^r^ddi vdi mgt nam chdm vd doi vdi hai nam cham khdc nhau Sau dd dudi
sy hudng dan ciia GV dl dua
ra djnh nghTa cdm iing tir
Sau day la cdc PHT dimg trong 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 trong cac PHT Sau khi cdc nhdm thao lugn vd trinh bdy xong, GV dua ra cde ddp dn ciia cdc PHT nhdm chinh xdc hda kidn thirc Kit lu§n
Vide sir dyng phii hgp TN
vd PHT trong dgy hgc nhdm nhdm phdt huy tfli uu chiic ndng eiia moi phuang tipn,
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Thuoniisd
-PHIEII HOC TAP SO 3
(Diing trong muc 1 - 428 Cani img tu Dinh lual Am-pe-11 NC| t f ^ H f t ' '
Thinghcm ? B6 in thi nghiem nhu huih ben mL^ • - ^ ^ ^ ,
Gitt npyoi 1 = 120 A va 1 = 2nn cbo dmg dien co cuong tl6 I j f f f f V ^ ^
0,4AquacupndiycuanatDi:hani dien diaydoigocQ Ghilaj
do Ion luc tit nrtmg ting vao bang 3 1
Bang 31 Khi ddng Min ci atdng So 9,4 A di qua cu^n day cua nam cham dien
I^mAJ = 2i:i« 1
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- Quan h? giua F va sma
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Tu cac bang so lieu 0 PHT 1, PHT 2 va PHT 3 hay lia Im cac cau hoi sau
1 Cacthuoagso - , - v a —ttongmoibangcogiairinhuihenaa''
2 Mra (]ujn lit giirn F \v\ 1, F vcn 1 va giua F \m sino'
3 Bien Ihue tli<; hi^n ijuan \K giQa F v6i cac dai luong 1,1, mu
4 Kill Ihay doi nam cham dang dung (liiay doi cuimg do dong dien qua cuon da> ciia nam chaml cac thuong so - , - va —thay doi khong?
5 Lfng viji mot tu liuong ihi li so co ihay doi khong'' Va ung voi hai tii Inioiig khac nhau thi li so — co Ihay doi khong''
Trang 3chdt khi vdi hiAx) (RHg_ ) gjam
ddn tir 4 xu&ig 1 Tinh axit ciia cdc
oxit (RjO^ vd hidroxit [R(OH) J
tar^ ddn Tinh baza cua cdc oxit
(RjO^ va hidroxit [R(OH) J gidm
ddn (Xau sa dfl)
b Hien thi cdc thong tin
- Nhdm lA, IIA, He: Khfli
eac nguyfin to s
- Nhdm IIIA^ VIIIA:
Khoi cdc nguyfin tfl p
- Nhdm IB-* VIIIB: Khfli
cdc nguyen tfl d
(Trir Hp Lantan & hg Actini
Id khfli cdc nguyfin tfl f)
c/ Nhirng Tien bg so v&i ky
thudt da biet tru&c do
+ Dudi anh sang ciia Thuyet
cdu tgo nguyen tit bfl sung va
Idm sang td minh bgeh han
cac nfli dung cua Dinh luat
tuan hoan: Cdu tgo vd nguyfin
tir va cdc yfiu td: F, R, I, x ciia
nguyfin tir cac nguyfin tfl; Tinh
chat cua cdc nguyfin tfl; Tinh
chat cua cdc dan chat; Tinh
chat cua cac hgp ehdt; Thanh
phan cdc hgp chat tgo nen tir
cac nguyen tfl dd; Dfiu bien
doi tudn hoan theo chieu tdng
ddn ciia dipn tich hgt nhdn nguyfin tir
+ Gido vien de ddng truyen thy kien thiic, hlnh thdnh cdc kifin thiic can dgt dugc ve tinh chat cua cdc nguyen td, tinh chat cua cdc dan chat, tinh chat eua cdc hgp chdt, thdnh phdn cdc hgp chat, dfi ddng so sdnh tinh chit ciia chiing vdi nhau Gido vien de trinh bdy bai giang, giiip cho thay cd thugn lgi khi dgy (khflng hi sai sdt), tiet kiem dugc thdi gian khi gidng Hgc sinh de tiep thu
va van dung kifin thirc, hgc it
ma hieu nhieu
+ Hpc sinh ty nghien eiiu, suy ludn, dy doan tinh chat cua cdc nguyen tfl, tinh chat cua cac dan chat, tinh chat ciia cac hgp chat, thdnh phan cac hgp chat De dang chu dgng
so sanh tinh chdt ciia chung vdi nhau
+Dfi dgy, dfi hgc, de vgn dyng
3 Ket luan Vdi nhirng uu difim trfin
Cam nang su dyng Bdng tudn hoan cdc nguyen td hda hge
cd thfi giiip eho gido vien, sinh vien, hgc sinh pho thflng va nhdt Id nhiing nhd nghien ciiu gidi quyet dugc nhiing khd khdn g^p phdi trong dgy hgc
vd nghien cim
Tdi lipu tham l(hdo
1 Bg sdch gido khoa Hoa hgc THPT NXBGD 2010
2 Hp thong tuan hodn cdc nguyen to hda hgc do NXBGD Vipt Nam an hdnh
Summary This article raises a nmnber of difficulties when students use the periodic table of chemical elements
in the current high school textbooks while at the same time introducing and analysing the creativity and advantages of the periodic table of chemical elements Handbook proposed by the author that was published
by the publisher pedagogical University m Ho Chi Minh City
- « « ^
PHOI H d P THI NGHIEM V A PHIEU HOC T A P
(Tiep trang 35) day hgc vgt li & tru&ng pho
tgo difiu kifin cho HS tich
cyc, chu dgng tham gia vdo
hgat ddng hgc tgp, qua do gdp
phdn nang cao hipu qua dgy
hgc vat Iy d trudng pho thong
Tai Iifu tham khdo
1 Nguyfin Thfi Khfli (tflng
chu bien), Vgt li ldp 11 NXB
Giao dye, 2010
2 Le Van Gido, Thi nghiem
vd phuang tien true quan trong
thong NXB Gido dye, 2005
Summary
In interactive group teachmg, experiments together with handouts are necessary means
of organizing group activities
When conducting experiments, self-reliance is required as the groups of students have
to work independently Thus, the students often encounter
quite a few difficulties To reduce the difficulties and aid the students with their leaming tasks, the teachers need to give essential duections, suggestions and guidance through the handouts Therefore, combmmg experiments with handouts is a vital choice, which is proved by the lesson "Induction Ampere 's law " in Physics 11