Dạy học phần sinh thái học (Sinh học 12) bằng các hoạt động khám phá

DAY HOC PHAN SINH THAI HOC (SINH HOC 12)

BAMQ CAC HOAT Dom KHAM PHA

Dqy hqc (DH) bdng cdc hoqt ddng khdm phd

(HDKP) Id hoqt ddng thdng nhdt giOa gido

vlln IGV) vd hqc sinh (HS) d l gldl ciuylt

vdn d l hqc tdp phdt sinh hong ndl dung flit hqc,

hong dd GV Id ngudi niu vdn dl , HS hqp Kic vdi

nhau gldl quylt vdn dl . E)4c hung cOo HDKP Id

gldl quylt cdc vd'n d i hqc tdp vd hoqt ddng Hch

cvc hqp tdc theo nhdm, Idp; vdn dvng vdo n$i

dung cOa cdc bdl hqc, hlnh thdnh ndng Ivc gldl

quylt vdn d l vd h/ hqc cho HS,... Mvc Hiu cdo

HDKP Id hlnh thdnh kiln ihOc, kr ndng (KN) mdl,

xdy dvng ihdl dd nilm Hn vd rin luyin khd ndng

Iv duy, ndng Ivc xO If Hnh hudng, gldl quvlt vd'n

di cv ihl ndo dd d HS. Trong phqm vl bdl vllt

chOng tdl d l cdp 5 budc cOa 3 HDKP d l dqy kiln

thuc mdl cho HS.

1. Dqy hqc bdng cdc HDKP

1) HDKP 1: Gioo nhlim vv nhqn thOc vd dlnh

hudng khdm phd. Budc II Niu CH, BT. GV gioo

tnidc d l djnh hudng cho HS nghiin euu SGK,

oic tdi lliu, cdc phuong Hin DH sdp xIp theo ihO

tv logic chdt ehe hJong ung vdi ndl dung bdl hqc.

Bin cqnh cdc CH chfnh cd thi dOng cdc CH phv

giOp HS hii hiin vdn kiln thOc ^ cd hodc tO

SGK d l gldl quylt cdc CH, BT chfnh. Trang nhung

trudng hqp cdn thilt cd ihl dOng d l cuong hudng

ddn hd Idi. Trong budc ndy HS idp hung nghiin

cOu nhlf m vv khdm phd duqc gioo vd td\ hlin

vdn kiln thOc da Kch luy duqc h> cdc kip dudl vd

trang thvc flin cudc sdng. Budc 21 Hudng dSn

nghltn cm Idl ll$u Hm 161 khdm phd. GV niu cdc

ngudn tdl lliu cdn thilt bdng vl ^ chi ddn cdc

mvc hodc doqn cuo SGK. HS cdn Mi hlin kiln

ihvc; thu thdp, ^ If thdng fln duo ro Idi gldl, ghi

Iql kit qud d i bdo cdo; cd cdc hoqt ddng hr duy:

suy ludn, so sdnh, phdn Kch CH, BT dlnh hudng

gldl quylt;...

GV cd vol h-d td chOc, cdn HS h/ Iqe nghiin

euu SGK, TLTK, honh dnh,... Ngudn kiln thuc Id

ode Idl gldl cOa cd nhdn HS.

21 HDKP 2. J6 chOc ihdo ludn d l Hm hllu

khdm phd. Sut5c 31 TdchOc thdo /udn l^plhicd

Idp /lo^c iheo nhdm; thdnh Idp nhdm, cO nhdm

Twclu' Site due s6 284 cu «• 4/«on)

Q TS. L£ THANH OAI ' MAI TH| THOY "

hudng, thu ki; khuyin khfch sv iham gia cOo mdi

cd nhdn HS; duo ro nhOng CH gqi ^ thdo ludn

nlu HS g4p nhOng b l tdc khd khdn. Qud hlnh

thdo ludn Id qud hlnh hqc bqn, Idm cho cdc sdn

phdm bon ddu duqc thdng quo, ddnh gld phdn

Hch sdng Iqe, bd sung dllu chinh. Cdch td chOc

nhu vdy ldm cho HSlchdng thv ddng nghe bqn

ndl, nhin bqn Idm md phdl hoc tfch cqc chu ddng

Idng nghe bqn hlnh bdy Idl gldl; ddi chllu vdl

Idl gidi cOo minh; thom gio hlnh bdy * kiln bdo

v i Idl gidi cOo minh vd cd ihl phi phdn ^ kiln

oia bqn khdc; ghi y kiln bd sung cOa cdc bqn, h/

dilu chfnh Idl gldl cOo minh hin kinh nghl|m cdl

dung, cdl sal.

Vol trd cuo GV hong budc ndy Id h-qng Idl,

cd vdn vd vol hd cOo HS duqc thi hlin quo nhdm;

Kiln thOc thu duqc Id Idl gldl cuo tqp thi (td,

nhdm, Idp) Id sdn phdm duqc tdng hqp 10 cdc

sdn phdm bon ddu cOo mdl HS vd ouqc bd sung,

dilu chinh bdng nhOng kiln thOc iTnh hdl duqc

quo thdo ludn cDo tdp thi.

Sudc 4^ Ki)/udn cfi/n/i xdc/ido/rflh//luc. Tiong

qud Mnh id chuc thdo luqn, Hm 161 khdm phd, HS

cdthlgdpphdinhung vdn d l khd phdn bl ^ dOng

sol, khd di din kit luqn khoa hqc hodc Idl gldl

cOo HS chuo hodn thiin, GV cd thi xO ll cdc Hnh

hudng dd vdl hr cdch Id hqng tdi, cd vdn nhu:

xem xit vd tdng kit bdo cdo cuo cdc nhdm; ghi

Iqi nhung dilm nhdt hf vd chuo nhdt h-f, nhihig

khfa cqnh md cdc nhdm bd quo; ylu cdu cdc

nhdm Idp ludn vd chOng minh cdc kit qud; duo

ra nhOng nhdn xit ddnh gid kit qud cOa hjng

nhdm; duo ro nhimg kit ludn dung h>c Id Idl gldl

ddp dfing cho cdc CH, BT yiu cdu HS bd sung vd

hodn chinh Idl gidi cua minh. C^dch Hin hdnh nhu

v9y HS'khdng tnv ding nghe GV md hoqt ddng

hqc tdp h'ch cvc nhu: h/ ghi Iqi y kiln kit ludn cOo

GV, dot chllu vdi Idl gidi cuo minh, h^ ddnh gld

bd sung cho Idi gidi cuo minh. HS hqc duqc kiglc

gldl cOo GV.

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" IhMai DCS >ji Hi^ O l Vk «•-IP. Iltii l » - Dike Kilt