' G ' .iaoduekh6ng chlnh&~ ml;lctieu liang cao c~pfa;li~u; -Xuat ph~lttLrh~thongml;lc tieu day hoc nang h/cchuyenmonmacon phattrien nang chuang 'Nnom halogen"vachuang 'Nhon.. , Ilfc1;ahq
Trang 1_' f"-,
"NANGtDC TU• •••loCeRO HOC SINH TRUNG HOC• PHlhHONG
' )
, NGUYEN :THi THANH HUYEN* - PGS.TS TRAN T1~UN~ NINH~*
paper presents the design'and use of the Website in order to support selt-Ieerning
chemis-try for high school students in Lang Son Province.
' ' G ' iaoduekh6ng chlnh&~ ml;lctieu liang cao c~pfa;li~u; -Xuat ph~lttLrh~thongml;lc tieu day hoc
nang h/cchuyenmonmacon phattrien nang chuang 'Nnom halogen"vachuang 'Nhon oxl:dam
, Ilfc)1;ahqi, nang Ilf9 ca nhan, nan.gllfCtlfhQc ~bao cac'ysucau vequan satva ILrqnghoa, lacan CLl
(NLTH) cho n~uO'ihoc, Nho co Nt TH, ngtrO'ihoc co; dekiemtra,danh giaslftien bqcuaHS; -Phu hqpvo;
thehQct~psu6td6'i, bien qua trinh day hgcthanh~ua' trinHd9 nh~n thLlCcua HS, dam baoJinh ciadqng, h~
.Jrinh t~ hQC,qua trinh daotaothanh qua'tririh tlf dao thong; - £)inh huang qua trinh su dl;lngmay linh va
,tqo. £)e hQc sinh"(HS) phat tri8n NLTH, tlf ngh'ien internet vao vi~c hQct~p mQt,cach41fIlfc, tich clfc;
'cw, d~c bi~t la ki nang khai tMc'nguon tuJi~umang - Cac baikiem tra va thi co hai hinh thLlC:tllluanva tric
tinh c~p nh~t th'ivi~c su dvng da phllong ti~n trong nghi?m khachquan, hllang vao vi~c d~nh g'iakha
can thlfc hi~ntotNghi quyetso29-NQ/TW, ngay041 Dov~y, n¢idung cua website can:dayducaephan
Theo khao sat cua'chUngt6i,acactinh, phan Ian' tren website nhll sau (xem hinh 1): " '
HStrunghQcphQth9n9'(TH,pr)c~ng~pnhieukho i" 2 Khaithac va su dl,lng webs}tephan.Phi
khantrongqua triilh ti/hc;>crnon~H6ah9c. hqn cheve :.kim(H6a.hQc1O)trong d~y hQcnham phanri~ri
NLTH, chlla bietkhaitHacva sUdl;lng nguon hQcIi~u NLTH cho HS
tren Internet mQtcach hi~u qua £)e phat trien NLTH 2.1.·yeu eau·cau hinh. Dekhai thac hi~u qua
van de:'Thielke' va sU:dl)ng Website H6a h9C rh§m Trinh duy~tW eb Internet Explorer (da dllqc tich hqp
1.Thiet ke website phanP(7i kim (Hoa hQC10) 2.2.Kh<!/ dqng. £)ang nh~p vao dia cni http/I ;
thetach thanh cac ml;lc,nhoha~j,nham> £)lla ra m¢t * TrltangTHPT ChuyenChuVanAn, tinh hng Son
cau truc nQidung hoan chInh, thu~n Iqicho vi~c truy ** Khoa Hoa hQc, Truong D~i hQcSit ph~m Ha NQi
(ki 2 - 12/2015)
: ,;
,J
Trang 2.' ,
:
, H inh 1: ' H i nh m i nh ho ecaut r ue webs i te
tra,danh gia HSf h eo dinh hL1angphattri~n'
3 Thuc ngh i ~m su pharn (TNSP) ve huang
d ~ n HS khai thac va Su '· dL.mgwebsite H6a hoc ket hQP vai cae PPDH tich cue '
3 1 Ouy trinh to ' ch tic TNSP :gam cae bL1ac '
man H6a h9Cva ket qua hqc t$p
'TNSP ' ," ,' "
200 HS THPT tinh L1?ngSon (TruOngTHPT chuyen Chu Van
HS ~ · Ve ' ph f a GV '~ ' OO % GV
•
Hinh 2 Hinh m i nh , h Q 8 w eb s e
B a ng 1.Ca cn Q idung t to ng w ebs it e
Bai gia ng • Hu a ng
"
1-, d n t t! hq c ·11 bai -Sai tap,
- 30 b ai tap tt! l u n
3 D e k ie m tra 4d • 2 de kiemtra15 phul.
' .', • 2 d e k i em tra 45 phu l "00 0
- 12 d e th i HS g i 6 ica pt h nh phD , c a tin h va d e t hi , 4 De t,hiHS gi6i cac 45 de chon d Oi tu ye n HS gi 6 i Qu o c g i a c lla 1 t i nh , th anh pho ,
• 13 d e t h i ch o HS g i6i Quo c gi a ell a B o GO - DT
cap
• 20 d e thi c h on d Oit u ye n thi O lym pi c Q uo c te
5 V i deo t hi ng h i~ m 1 video -7videophanh logen.
• 9 v i d eo phan nho , m o xi.
h OC
'- ,
"
- 5 b ai c o t he bQ nc hu a biet
7 H o hO C v u i 6bai
• 1 v i d eo vui.
Trang 3Hoa hoc la can thietdoi vai heat dQng nrhoc ctia HS kha (n~m trang giai han t Ct3,41-4,2/5 di€m); -Votxac
,THPTvaCOnQ 1: pu n kierUhuc'day;'dui ehinbxac, sLfa1P,''ketqtlaNLTH sauTNcua ' rih6m ' - ec : va T N " '
- t h iet ke khoa hoc , hqpIi,tbu$n-ti~n j d~ : SIJdl,lng i g l up riho hcn'hoacb~ng 0 ' ; 05; : C8Ct ~ c dQng t h \ (c ' su coy
3 2.2 Da h giaNLTH m6nH6a hc;Jccva HS ' (phanPhikim)cvaHS.NLTHcuaHSdLiqctb~hi$n
h9 C trLJac va sau TNSP thong qua bang ki€m to'ng chung, NL TH co mOitL1ang , qu~nv.~i ketqua h9.,ct$p ,
oong thlic tinh dc)tin c~yc1ec1anh gia cfiem"trung binh
Bang 2~Diem /rung bin~ c9ng NLTH mon Hoa hqc
' : ', ' " - ' cueHS tnlac v,isau INSP I
Cnu van An ",;\, TnlongTHPT CaaLoc
IT Na gIi,lC N,hDmdoi NMr'n thue N h6 m Nh6m
nghi~m ' , chilng (DC) 1
1 Xacdinh r6 m~cti u o c ~p 3,8 4,0 3,8 4.1 3,6 3) 3 , 5 3 , 8
Nh~nbi~t,tim toi
d
,
Hqp tac trang ha~t
4,1 4 0 4,1 4.2 3,9 - 3,8 3,8 _3,!)
4
trang hQ ~p 4.0 3.9 3,9, 4,2 3.4 " 3 6 3.6 ~O'
Linh ha~ttrang
5, cac giai phap g i ai 3 , 7 3,9 3,6' 4,0 3.8 '- , 8 3,6 3,9
quy~tvan de
-6 d i ~u ch i nh ha~t 4.0 3 , 9 , 3 9 4.2 3,8 3,9 3,6 4 , 0
d ng hQcta
, Trung i nh chung 3 87 , 3,92 - 3 , 82 4 , 1 3,68 3,72 3 , 6 3 , 88 _
Brawn) eua Truong THPT chuyen Chu Van An va
Sau TNSP, NLTH cua HS THPT chuyen Chu Van
An tang caa han TrL10ng THPT Caa Lc)c nhL1ng
(kl2 - 12/2015)
1 100 80 60 4 20
, $CI (J6' t fJo' th / cJlIong lOy tfch
TN n~m ben phai, phia dL1aicac dL10ng lOytich cua
NgL1qC '- Iq.i, tl 1$ % HS ' d9t diem trung binh& lap TN
Bang3 To'nghQ'pgi8trj cac cong thLfcdo ketqua
bciikie"mtra twac va sau TNSP ,
; t_
"
" " , :,.
(T)' (S) {H i " (T) (S) (S-T)
"
Van An
Jtrlldt) ,' O 03 (sau):0.007
THPT £)ie!1ilrung binh 7.1 ,"'7,3 0.2 7.3 B.O :_',0,7
Cao
L c
P cua £)C2va TN2 P eua £)C2vii TN2 (sau):
Xac sual p
Trang 4,
Nhin chung, di~m trung binh bai ki~m tra sau yeucau vaphuonqphap hlfang danciia GV Anh
,_cila nhom DC ya TN,cie,J,lJan.g.Ien Phan lan, ket '.hl,J'ang~u,atac ~qng su pham den SI.!phat tri~n
qua'bai ki~hi tra.tnfacvasau,c'u,a nhqmB9, TNco. ~Nl-:H ~,cac ~~lfO'n~~k~ac ~hau,la'kba,c nha~~,p~LJ'
suchenh lechnhlfng khong nhieu,the hi~nsuphan ,th_UQcvao nhlE:)uy~u to, trong do GV va HS la nhan ta'n di~m s'o gilia cacdoi tlfqng la khong dang k~, to quan trQngnhat 0
' xem XBtrmrc dQphantfm-Gua cacsoli~u b~ng h~ so·
' bien thien V, ket qu~ ea cac bai ki~rn tra, gia trj cila V n~m trong khoang 10-30%, thuQcrnuc dQdao dQng
,trungblnh VOixac suat'(P},b~liki~mtra 'sawcua nh.omBC
,va TN·:::;:0,05, bh6;fhay cae.tac dQngtatcoynghia, : 1 B(>GD~DT.Huang ddn th!!e hifn chUlfnkitntfiu c
MucciQ anh hlfang (ES)'cua cac bi~n phap tac dQng ki nang clla chuong: trinh gtdo d(ICpho ' thong man
co gia ~ritv O,5-0,7~,dlfqC xep amUGdQtrung binh H6a ht;Jc16p 10.2010.
(theo bang tieu chi cua Cohen) , 2 Nguyen Van CuUng - Bernd Meier.L(lw;?nd(lYh9c
3 Nguyen Thj Tuy€t Hcia.Xay dl,mg website nhttm
' 4 Nguyen ' Canh ' Toan (.chu !:lien) - N"guyen Ky ~ Vii Van Tao - Bui Tliang Qua trinh d~y-t1!hQC NXB
* * * Vi~c thiet ke va SLrdl,mg website Hoa hQc(phan
oa phaft,d~n NlTHva nang/,cao ket q~a hQc t~p
, cua HS NLTH kh6ng chi phLJthuQcvao nQidung,
,cach thuc sLrdLJngwebsite ma con phLJthuQc vao
1";:'.
(I) Ban Chap hanh Trung irong Nghi quytt s6'
.Tai lifu tham , khad ,
, :
Tom lC).i,tren cO'so phan tich chi tieCcac NL
thanh phan ma m6~ SHco th~ dap Crnghinh thanh
V,id~:KhihQcbaiH6hapathl.!cv~t(SH1'1'),thay 8 NL chung cho nglfO'i hQC,can phai co cac giai
vi GVhoi HS: Thl.!c v~tco h6 hap kh6ng? HS co th~ phap chien Ilfqc de thl.!Chi~n co hl~u qua doi vai dQcsach giao khoa va tra 100ila thl.!Cv~t co h6 hap, m6n SH Can IlfUykh6ng co giai phap nao leivC).n
h9n c~a? .~glfO'I QCva"h 'kh"?"0d~ dlvao sa,u O'nde IlfUIC).I~ h ~? . .b ~,nang,dov~ytron.? h' 'gquatrinhdC).yhQccanapd6ngv·~h'"h th' "h"', h 't t •? ,
trong tri nhodai han B~khac phuc dieu nay'GVyeu Qcac glal p ap ,I~C I~ an vap a nencac cau HS lam thi nghi~m nhlf sau:' ' ' , Ntchuyen bi~td6i vOi m6n SH chung toi sa trinh
thuytinh d,ungtich.1,5 lit (ho~c IQnhl!a trong); 1 chiec nhi~tke; 1 hQpxop lonhO'n binh'thuy tinh
binb thuyfinh (ho~cJQnh(!atrong), do nlfoc ng~p hC).t, ng€unkhO'ang2-3 gla Saudo g9nhet nlfoc khoi binh
C~m mc)tnhi~tketn!c tiepvao khoih9tvanutkin binh
,£)~tbinh thuy tinh.co chCrahC).telm cung voi nhi~t ke
VelOhc)pxop cach rihi~t
Theo d6inhietd61uc b~tdau c~m nhietkevasau
, 19iO',2 giO',3 gi&:Ghi ket qua nhi~tdQ thea thai gian,
thao lu~n, giai thich ket qua thi nghi~m va rut ra ket luan ve tri thuc thltaLJO'c
: Th6ng qua thi ngHi$mnay,l:-ISvLradlfqc renluy~n
ve ki nang lam thi nghi~m, ki nang nghien Ct1ukhoa hQc,NL tl.!hQc,NL giai quyetvan deva NL hqp taco
(Tiep the~ trang43)
"
* * *
, Tai Ii~'u tham khao
I L e Dlnh Trung Ciao d{ ( c thea h i raf!g IMp c(if!nane ,
l<iy~uH<)i tt1ao ' c[p tnrang ' Trm'mg D~ i I1QcS ' uph~m
Ha N<)i.2013.
2 Le Dlnh Trung. D9Y ht;Jcthea dinh huang hinh
2015
3 Le Dlnh Trung Cac d~ng bai t~p chQn IQcve di truy~n va bien dj, NXB D(li ht;JcQuo'c gia Ha N9i.
4 B<)GD-Dr Dl,rthao D~ an dol mai chuong trinh,
Ha N(>i,2014
(ki 2 - 12/2015)