Xây dựng trang Web học tập hoá học nhằm nâng cao hiệu quả dạy học môn hoá học ở phổ thông

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NHAM NAN6 GAO H i QOA DAY HOG MDN HDA HDG fi PHO 1HDNG

O ThS. PHAM NGO C SON*

Trong dqy hqc mdn Hda hgc d phd thdng,

viec irng dyng cdng nghe thdng hn (CNTT)

dd duqc nghien ci/u vd si/ dyng rdng rdi,

vdi ddc thu Id mdn hqc thyc nghiem thi CNTT trd

thdnh mdt cdng cy hd trq ddc luc. CNTT giup

gido vien (GV) trong viec thilt k l gido dn dien tt)

cd sir dyng md phdng qud trinh hdo hqc, cdc thi

nghiem khd vd dqc hqi md trong dieu kien phdng

thi nghiem thdng thudng khdng thi thyc hien duqc.

Viec sir dyng cdc irng dyng da phuong hen euo

mdy tinh dien tt/, kit hqp vdi sy truyin ddn khdng

gidi hqn cua internet se tqo nen mdt kenh hqc tdp

hieu qud, gdp phdn ndng coo chd't luqng dqy

hqc mdn Hda hgc d cdc trudng phd thdng.

Nhdm k l thiro vd phdt huy nhung dilm mqnh

euo cdc trong web hqc tdp dd cd, chung tdi dd

nghien ciru vd xdy dyng mdt trang v/eb: http://

hoaphothong.com chuyen biet ve dqy hqc hdo

hqc d phd thdng.

1. So luqe ve mqt so' website hda hqc

Cdc trang v^ebsite hda hgc bdng Ti&ig Viet. Hien

nay, cd rdt nhiiu hang web bdng hIng Viet chuyen

v l hda hqc hodc cd lien quan din dqy hqc hda hqc,

trong dd cd thi chia Idm hai nhdm sau ddy:

Nhdm 1: Cdc trong web cd thu phi nhu:

www.hocmai.vn: www.truongtructuyen.vn;

www.thaytro.vn. Uu diem: Cdc trong web ndy

cung cdp cho ngudi hqc he thdng bdi gidng tuong

ddi ddy dtj d tdt cd cdc mdn hqc, cdc cd'p hqc vd

theo tirng chuyen d l phii hqp cho nhiiu dd'i tuqng

khde nhou. Hdu hit cdc bdi gidng diu duqc ghi

hinh true hip tii GV nen tqo duqc cdm gide thyc

tren Idp. Nhuge diem: Ddy Id cdc trong web cd

thu phi, do dd, nhiiu HS khdng tiep cdn duqc.

Ngodi ro, he thd'ng bdi gidng tren cdc website

ndy deu d dqng video clip nen cdn hqn chi trong

viec cung cd'p cdc thdnh phdn mulhmedia nhu:

md phdng, tranh dnh, thi nghiim.

Nhdm 2: Cdc trang web miln phi, chdng hqn

nhu: hoahocviehiam.com; h2vn.com; hoahoc.org;

chemvn.net: giaovien.net; tudienhoahoc.com;

congnghehoahoc.org; bachkim.vn... L/u diem:

Cung cd'p mdt he thdng tu lieu bdi gidng, gido

dn, bdi tdp, d l thi vd cdc dien ddn trao ddi. Do

cd sy tham gio euo nhieu ngudi nen tdi lieu rdt

phong phu vd do dqng. Nhuge diem: Tuy so luqng

nhiiu, nhung chdt luqng cua cdc tdi lieu ndy

khdng duqc kilm sodt, khdng duqc sdp xIp theo

mdt tht/ ty khoa hqc nen gdy khd khdn cho ngudi

hqc. Ngodi ro, he thdng cdc md phdng, thi

nghiem, tronh dnh hdo hqc cdn it, chuo hip cdn

duqc vdi chuong trinh vd ndi dung hda hqc d

trudng phd thdng.

Mdt sd trang v/eb nude ngodi ve hda hgc:

chemicool.com; schmidel.com; chemweb.com;...

Cdc trang web ndy cung nhu nhieu trang web

khde diu cung cd'p nhirng tdi lieu ve hdo hqc

dudi nhung djnh dqng khde nhau nhu word,

video, md phdng, tronh dnh phii hqp vdi nhieu

dd'i tuqng. Tuy vdy, ngudi hqc d Viet Nam khd

hep nhdn cdc thdng hn ndy do rdo cdn ngdn ngir

vd sy chua phii hqp vdi ndi dung vd chuong trinh

hdo hqc dang gidng dqy d nude to.

2. Mqt so nguyen tdc trong xay dyng trang

web http://hoaphothong.com

1} Ve ndi dung: Ndi dung ddo tqo tren trong

web Id yi u to quan trqng bdc nhdt vd duqc ddm

bdo cdc nguyen tdc nhu: chinh xde ve mat khoa

hge, ndi dung kiin thuc phii hgp vdi tung ddi

tugng HS, thnh bdy theo mdt hi thdng. Nlu cd

the, cdn cho ngudi hqc ddng ki vd ddng nhdp khi

hqc de kiem sodt. Vdi sy hd trq euo mulhmedia,

giup ngudi hqc cd th i tilp thu kiln thi/c mdt cdeh

chu ddng vd tich cyc. Ddng thdi, nhd sy sieu lien

kit cdc phdn kiln thirc d l ndng coo hieu qud su

dyng trong web. Ngudi hqc khdng chi tilp nhdn

bdi hqc tren trong web md hq cdn cd th i hm

kiem thdng hn, tdi ve nhung phdn tdi lieu cdn

thilt, phyc vy cho viec dqy hqc cua GV vd viec

hqc tdp euo HS.

* Tnroing Cao dang %\i pham Ha Noi

Tap ehi Giao due so 25 9 (ki i . 4/aoii)