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Chng II : MI TRNG I N HA HOT NG KINH T CA CON NGI I N HA Tun : Tit : ND :

Bi 13 : MI TRNG I N HAI.MUC TIU : 1. Kin thc : Bit v tr i n ha trn bn t nhin th gii . Trnh by v gii thch mc n gin 2 c im t nhin c bn ca mi trng i n ha : + Tnh cht trung gian ca kh hu. + S thay i thin nhin theo thi gian v khng gian. 2. K nng : Xc nh trn bn , lc v tr ca i n ha, cc kiu mi trng i n ha. K nng phn tch nh v bn a l, c k nng nhn bit cc kiu mi trng i n ha qua tranh nh v biu . 3. Thi : Lng yu thin nhin mi trng II.TRNG TM : V tr, c im i n ha. III. CHUN B : Gv : Bn cc mi trng a l Hs : SGK , tp bn . IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 3.Bi mi : 3.1/Khm ph: Mi trng i n ha c kh hu mang tnh cht trung gian gia i nng v i lnh, thi tit thay i tht thng, c s phn ha a dng theo thi gian v khng gian nh th no ? Ti sao ? l ni dung bi hc hm nay . 3.2/Kt ni: Hot ng ca Gv v Hs Ni dung bi hc Hot ng 1 : V tr ca i n ha : GV: S dng bn Cc mi trng a l v hnh 13.1SGK. - Gv yu cu Hs da vo hnh 13.1 SGK v bn Cc mi trng a l : + Xc nh v tr ca i n ha ? + Nhn xt v tr ca mi trng i n ha so vi mi trng i nng , i lnh ?Gio n a l 7 V Th Thy An

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+

+So snh din tch phn t ni ca mi trng i n ha gia 2 bn cu ? HS:Ch tuyn vng cc ca hai bn cu. - Phn ln din tch t ni nm na cu Bc, 1 phn nh nm nacu Nam - Gv chuyn : Vi v tr trung gian gia i nng v i lnh mtrng i n ho c c im g ? Hot ng 2: - GV cho HS phn tch bng s liu SGK T42 3 a im thy r tnh cht trung gian ca kh hu i n ha : + V v tr? HS : Nm gia i nng v i lnh + V nhit trung bnh nm? HS: khng nng bng i nng v khng lnh bng i lnh (100C :i n ha, -10C :i lnh,i nng:270C) + V lng ma hng nm ? HS: khng nhiu nh i nng v khng t nh i lnh.( i nng:1931 mm, i n ha:676 mm, i lnh:539 mm) GV kt lun v tnh cht trung gian. - Gv cho HS quan st H13.1+Bn cc mi trng a l thy c nh hng ca cc t kh nng, lnh, dng bin, gi Ty n i thy c tnh cht tht thng ca kh hu . ?) Cho bit cc mi tn biu hin cc yu t g trong lc ? HS: Dng bin nng, dng bin lnh,gi ty n i,khi kh nng, khi kh lnh. ?Cc yu t trn c nh hng ti thi tit ca i n ha nh th no? - GV phn tch,gii thch : +Do v tr trung gian nn i n ha chu s tc ng ca khi kh nng t v thp trn ln v khi kh lnh t v cao trn xung tng t t ngt: Cc t kh lnh (nhit xung t ngt di 00C, gi mnh, tuyt ri rt dy) v t kh nng ( nhit tng cao v rt kh , d gy chy nhiu ni ) ?) Nguyn nhn gy ra thi tit tht thng i n ha l g? + V tr trung gian gia hi dng v lc a. + V tr trung gian gia i nng v iGio n a l 7

- Nm t v tuyn 300 600 2 bn cu, gia i nng v i lnh . - Chim 1 na din tch t ni ca Tri t. Phn ln t ai nm na cu Bc, ch 1 phn nh din tch nm nacu Nam . 1/ Kh hu :

- Mang tnh cht trung gian gia i nng v i lnh.

- Thi tit thay i tht thng . + V tr trung gian gia hi dng v lc a. + V tr trung gian gia i nng v i lnh.

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lnh. - Kh hu i n ha c nh hng g n vt nui, cy trng ? -Gv chuyn :Kh hu mang tnh cht trung gian gia i nng v i lnh, thi tit thay i tht thng th thin nhin c s phn ha ra sao ? Hot ng 3: 2/ S phn ha ca mi trng : GV:s dng phng php trc quan, khai thc kin thc t knh hnh SGK. - Gv cho Hs quan st nh 4 ma H13.2,H13.3,H13.4 nhn xt s bin i ca cnh sc thin nhin + Thi tit i n ha c my ma ? HS:( 4 ma ) - Gv cho Hs bit thi gian tng -Thin nhin thay i theo thi gian 4 ma : ma:ng(1-3),xun(4-6),h(7-9),thu(10-12) Xun, H, Thu, ng . . ?) Thi tit tng ma th s bin i cy c tng ma nh th no? . + Thng 1, 2 ,3( ma ng ) : thi tit lnh, tuyt ri cy tng trng chm, tr cnh.(H13.3) + Thng 4, 5 ,6(ma xun) : nng m, tuyt tan cy ny lc, ra hoa. (H.SGKT/59) + Thng 7, 8 ,9(ma h) : nng nng, ma nhiu qu chn.(H.SGKT/59) + Thng 10, 11,12 (ma thu) : tri mt, lnh kh l kh vng, ri rng. (H.SGKT/60) Lin h:Thi tit nc ta(i nng) c my ma? HS:(2ma ) GV:m rng Vit Nam cnh sc thin nhin thay i theo ma gi ring min Bc cn c 2 thi k chuyn tip ging ma thu v ng. - Gv yu cu HS s dng Tp bn + quan st lc 13.1 v tr li vo bi tp 1: + Nu tn cc kiu mi trng ? + Xc nh v tr cc kiu mi trng ? (gn bin hay xa bin, gn cc hay gn ch tuyn ?) HS:5 kiu ?Cc dng bin nng chy qua khu vc no trong i kh hu? ?Cc dng bin nng v gi ty n i cGio n a l 7 V Th Thy An

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nh hng kiu mi trng chng chy qua ven b nh th no? - GV cho HS quan st cc dng bin nng thy c nh hng ca dng bin nng n mi trng n i hi dng. - Thin nhin cn thay i theo khng gian + i lc -u : t Ty sang ng c + Ty sang ng : rng l rng cc kiu mi trng no?T Bc xung rng hn giao rng l kim. Nam c cc kiu mi trng no? + Bc xung Nam : rng l kim HS:( Ty ng : n i lc a, a rng hn giao tho nguyn v rng cy Trung Hi, hoang mc, cn nhit i gi bi gai. ma, cn nhit i m. Bc Nam: n i lc a, hoang mc ) + Bc M : t Ty sang ng, t Bc xung Nam c nhng kiu mtrng no ? HS:(Bc xung Nam: n i la, hoang mc . Ty sang ng : hoang mc, cn nhit i gi ma) ?) Thin nhin i n ha cn thay i theo yu t no? Gv nhn xt : Mi trng i n ha va bin i theo thi gian, va bin i theo khng gian . - Gv cho Hs phn tch 3 biu nhn xt c im ca tng kiu mi trng . + n i hi dng : ma h mt, ma quanh nm, nht l vo thu ng c nhiu nhiu lon v thi tit . + n i lc a:ma ng rt, ma h mt, ma nhiu vo ma h. + a Trung Hi : ma h nng, ma t .Ma ng mt, ma nhiu. ?Thi tit v kh hu ca mi trng i n ha gy tc ng xu ti nn sn xut nng nghip v sinh hot ca con ngi nh th no? GV b sung nhng thng tin cp nht v thi tit v kh hu i n ha cho HS nm. 3.3/ Thc hnh- luyn tp: Tnh cht trung gian ca kh hu v tht thng ca thi tit i n ha th hin nh th no ? Trnh by s phn ha ca mi tng i n ha ? 3.4/Vn dng: Lm tip nhng cu hi tp bn . Chun b bi mi : Hot ng nng nghip i n ha 1/ C nhng hnh thc t chc sn xut nng nghip ph bin no i n ha ?Gio n a l 7 V Th Thy An

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2/ Hy m t H14.1 v H14.2 ? 3/ Quan st cc nh trang 47, nu 1 s bin php KH-KT c p dng trong sn xut nng nghip i n ha ? 4/ Nu cc sn phm nng nghip ch yu ca tng kiu mi trng ? V.T LIU: VI.RT KINH NGHIM: --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Tun : Tit :

ND :

Bi 14 : HOT NG NNG NGHIP I N HAI.MUC TIU : 1. Kin thc : Hiu v trnh by c nhng c im ca ngnh nng nghip i n ha 2. K nng : Quan st tranh nh, nhn xt v trnh by mt s c im ca hot ng nng nghip. 3. Thi : Xy dng nn nng nghip theo hng hin i. II.TRNG TM : Hot ng nng nghip III. CHUN B : Gv :Bn cc mi trng a l. Hs : SGK, tp bn . IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 1/Xc nh v tr ca i n ha trn bn ?(3) -T ch tuyn n vng cc 2 bn cu. 2/Ti sao thi tit i n ha li ht sc tht thng ? -Do chu nh hng ca cc t khi kh nng ch tuyn v khi kh lnh cc trn n bt c lc no gy ra nhng t kh nng, lnh t ngt bt thng. Gi Ty n i v cc khi kh t i dng mang theo hi nc vo t lin cng lm cho thi tit lun bin ng. Ngoi ra cn c nhng dng bin chy ven b cc lc a.(7)Gio n a l 7 V Th Thy An

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3.Bi mi : 3.1/Khm ph: t vn 3.2/Kt ni: Hot ng ca Gv v Hs Hot ng 1 :c nhn /c lp. - GV yu cu HS da vo knh ch dng u mc I SGK tr li: + ?C nhng hnh thc sn xut nng nghip ph bin no i n ha ? HS:H gia nh, trang tri. ?Cc hnh thc sn xut nng nghip ny c nhng im g ging v khc nhau ? HSTL: * Ging nhau: trnh sn xut tin tin v s dng nhiu dch v nng nghip * Khc nhau : v qui m, trnh c gii ha ) GVm rng:Trnh sn xut, s dng dch v nng nghip cho sn lng ln, hiu qu cao do s dng my mc, phn bn Hot ng theo cp /2 em. GV: S dng PP vn p, khai thc knh hnh SGK, lin h gio dc. - GV hng dn HS quan st H14.1, 14.2 v cho bit ch ca tranh v m t? + nh 14.1: l cnh ng rung Italia canh tc theo h gia nh vi nhng mnh rung ln nh khc nhau v nh ca ring l trn mnh rung. + nh 14.2 : l cnh trang tri Hoa K , mi 1 h gia nh canh tc trn mnh t rng 200ha, khu nh , nh kho cng rng hn . ?) Ti sao pht trin nng nghip i n ha phi khc phc v thi tit? HS:Thi tit lun bin ng :lng ma t, nng lnh t ngt. - Gv lu Hs : Trnh c gii ha nng nghip cc trang tri thng cao hn cc h gia nh trong c lnh vc trng trt v chn nui. - GV hng dn HS quan st cc nh 14.3, 14.4, 14.5, nu 1 s bin php KHKT c p dng trong sn xut nng nghip i n ha? GV yu cu Hs tr li cu 2 t 12 B14 tpGio n a l 7

Ni dung 1. Nn nng nghip tin tin:

- Hai hnh thc sn xut nng nghip chnh : + H gia nh + Trang tri

-p dng nhng k thut tin tin trong sn xut nng nghip

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bn . + Thy li ( knh mng) : nc ti cho cy trng. -T - T chc sn xut quy m ln theo kiu + Ti t ng xoay trn : tit kim nc cng nghip. + Ti phun sng : phun hi nc - Chuyn mn ha sn xut tng sn nng khi cn phi bo v chng sng gi. phm. + Trng cy trong nh knh , dng tm - Coi trng bin php tuyn chn cc nha ph ln cc lung rau, trng hng ging cy trng v vt nui. ro cy xanh trn ng rung ?) Nh knh l g ? ( c lm bng knh vi 1 s my mc c kh nng iu ha nhit , m thch hp 1 s cy nhng ni c kh hu khc nghit. ) GV: a phng Ty Ninh chng ta c H Du ting . -Min Bc nc ta trnh gi rt,sng mui ngi ta thng ph tm nha - GV yu cu Hs tr li cu 2 t 12 B14 tp bn .(Cc bin php p dng trong sn xut i n ha c nng sn c cht lng cao?) + c nng sn c cht lng cao v ph hp vi yu cu ca th trng, cn coi trng bin php tuyn chn cc ging cy trng v vt nui. + c nng sn cht lng cao v ng u cn phi chuyn mn ha sn xut tng nng sn. - Gv nu v d c th nh : to ging b cho nhiu sa H Lan, to ging ln nhiu nc t m Ty u, to ging ng nng sut cao, ging cam, nho khng ht Bc M - Gv chuyn : nn nng nghip tin tin, trnh sx cao, qui m ln to ra nhiu loi nng sn khc nhau. 2. Cc sn phm nng nghip ch Hot ng 2 :Tho lun(5 nhm-5 yu : pht) GV: chia 5 nhm HS, mi nhm s nu sn phm ca 1 kiu mi trng. -i din Hs tr li, Gv nhn xt v cho Hs thy c : cc sn phm ny c sn Sn phm nng nghip i n xut ph hp vi c im kh hu, t ha rt a dng. ai ca tng kiu mi trng. Sn phm ch yu ca tng kiu ?) Nhn xt g v s lng sn phm, cch mi trng u khc nhau. khai thc s dng mi trng t nhin Ni ting v xut khu la m , trong sn xut nng nghip i n ha? ng, tht, sa b, lng cu . GV:yu cu HS xc nh nhng vng chnGio n a l 7 V Th Thy An

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nui b Hoa k. GV kt lun. 3.3/ Thc hnh- luyn tp: Cu 1:Nu cc hnh thc t chc sn xut nng nghip v c im sn xut nng nghip i n ha? p p:- C 2 hnh thc: h gia nh v trang tri. - c im:nn nng nghip hin i, trnh sn xut tin tin, s dng nhiu dch v nng nghip, sn xut chuyn ha vi quy m ln, p dng nhiu thnh tu khoa hc k thut vo sn xut nng sut cy trng cao. Cu 2:Bi tp trc nghim: 2.1/ Cy -liu c qu dng p du n l mt loi cy c im trng nhiu vng: a/ Bc u b/ Bantch c/ a trung hi d/ ng u. 2.2/ Chu u nc trng nhiu hoa tuy-lp vi quy m v k thut cao l: a/ H Lan b/ Php c/ c d/ an Mch p n: 2.1/ c 2.2 a 3.4/Vn dng: - Chun b bi mi : Hot ng cng nghip i n ha 1/ Cho bit 2 ngnh cng nghip quan trng nht i n ha ? 2/ Cng nghip khai thc pht trin nhng ni no ? 3/ V sao ni ngnh cng nghip ch bin y ht sc a dng? 4/ Cnh quan cng nghip i n ha biu hin nh th no ? 5/ Su tm 1 s tranh nh v cnh quan cng nghip i n ha. V.T LIU: VI.RT KINH NGHIM: --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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Tun : Tit :

ND :

Bi 15 : HOT NG CNG NGHIP I N HAI.MUC TIU : 1. Kin thc : Hiu v trnh by c c im cng nghip ca cc nc i n ha . 2. K nng : Quan st tranh nh, nhn xt v trnh by mt s c im ca hot ng sn xut cng nghip . KNS : T duy, giao tip, t nhn thc 3. Thi : GDMT : Mc 2, b phn Hc sinh hiu c nn cng nghp hin i cng vi cc cnh quan cng nghip ha c th gy nn s nhim do cc cht thi cng nghip. Phn tch nh a l v hot ng sn xut cng nghp vi mi trng i n ha . Khng ng h cc hot ng kinh t c nh hng xu n mi trng GDNL : Khai thc, s dng qu mc ti nguyn v cc ngun nng lng. Vic pht trin cc ngun nng lng mi ( *1, b phn) II.TRNG TM : Hot ng cng nghip III. CHUN B : GV : Bn t nhin th gii. nh v cc cnh quan cng nghip (su tm trong sch, bo) HS : Tp bn .Gio n a l 7 V Th Thy An

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IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 3.Bi mi : 3.1/Khm ph: t vn 3.2/Kt ni: Hot ng ca Gv v Hs Hot ng 1: C lp/ c nhn Bc 1 : GV gii thiu : nn cng nghip i n ha hin i, trang b nhiu my mc, thit b tin tin; c cu a dng Bc 2 : K tn hai ngnh cng nghip quan trng nht ? ( cng nghip khai thc v cng nghip ch bin ) + Cng nghip khai thc pht trin nhng ni no ? ( nhng vng c nhiu ti nguyn thin nhin : khong sn , rng nh B Hoa K, Uran, Xibia ca Lin Bang Nga, Phn Lan, Canaa ) GV: s dng bn cc nc th gii yu cu HS xc nh nhng khu vc trn. V sao li ni ngnh cng nghip ch bin y ht sc a dng ? HS: V y l ngnh cng nghip c rt nhiu ngnh sn xut : t cc ngnh truyn thng n cc ngnh c hm lng tr tu cao . - GV nhn mnh: c im ca cng nghip ch bin l : + Rt a dng, c rt nhiu ngnh sn xut khc nhau : t sn xut ra nguyn liu ( luyn kim, lc du ) n cc sn phm tiu dng hng ngy . + Phn ln cc nguyn liu, nhin liu u nhp t cc nc i nng Ti sao ngnh cng nghip ch bin phn b ch yu cc cng sng, cng bin hoc cc th ln ? ( tin nhp cc nguyn liu v xut cc sn phm lm ra) hoc cc th ln ( c th trng tiu th ln). Bc 3 : Da vo SGK v quan st lc 15.3 K tn cc nc c ngnh cng nghip pht trin i n ha ?Gio n a l 7

Ni dung bi hc 1/ Nn cng nghip hin i, c c cu a dng : i n ha c nn cng nghip pht trin sm, hin i.

Cng nghip ch bin l th mnh ca nhiu nc, pht trin rt a dng

- Cc nc cng nghip hng u l : Hoa K, Nht Bn, c, LinV Th Thy An

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bang Nga, Anh, Php, Canaa.

i n ha i vi th gii ? + Tch cc : to ra sn phm ln tng sn phm cng nghip ton th gii + Hn ch : song song th ti nguyn v cc ngun nng lng b khai thc qu mc s b cn kit + Gii php : cn pht trin cc ngun nng lng mi 2 / Cnh quan cng nghip: Gv nhn xt, kt lun Hot ng 2 : Bc 1 : GV cho Hs c thut ng : Cnh quan cng nghip ha Quan st hnh 15.1, m t li mt cnh quan cng nghip ha i n ha ? y l mi trng nhn to c hnh thnh nn trong qa trnh cng nghip ha, c c trng bi cc cng trnh ( nh ca, nh my, ca hng) an xen vi cc tuyn ng ( ng b, ng st, ng ng, sn bay, bn cng, nh ga ) Tho lun nhm : nhm (cp) Da vo SGK, hiu bit ca mnh phn bit : 1 khu cng nghip, 1 trung tm cng nghip v 1 vng cng nghip. Ti sao nhiu nh my c lin quan vi nhau, tp trung gn nhau ? d dng - Cnh quan cng nghip c khp hp tc vi nhau trong sn xut, gim chi mi ni i n ha gm : ph vn chuyn. + Khu cng nghip Quan st hnh lc phn b cng + Trung tm cng nghip nghip i n ha SGK k tn cc + Vng cng nghip vng cng nghip ni ting ? HS: ng Bc Hoa K, vngBc Php, trung tm Lin Bang Nga, vng duyn hi ng Bc Bc Trung Quc, Nht Bn Bc 2 : HS trnh by, b sung Gv chun xc Bc 3: Quan st hnh 15.1 v hnh 15.2 M t li 2 khu cng nghip Cho bit khu cng nghip no c kh nng gy nhim cho mi trng nht ? V sao ? HS trnh by : ( Hnh15.1 l 1 khu cng nghip ha du vi cc nh my khc nhau nm san st bnGio n a l 7 V Th Thy An

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nhau vi cc ng cao tc c giao l nhiu tng vn chuyn ngliu , hng ha. Hnh 15.2 l 1 c s cng nghip cng ngh cao Ty u, nm gia cnh ng c thm c cy xanh bao quanh) GV nhn xt, b sung GDMT : Xu th ca ton cu khi xy dng khu cng nghip xanh thay th cho cc khu cng nghip gy nhim mi trng.

- y cng l ni tp trung nhiu ngun gy nhim mi trng. - Xu th ngy nay ca th gii l xy dng cc khu cng nghip xanh kiu mi thay th cho cc khu cng nghip trc y gy nhim mi trng.

3.3/ Thc hnh- luyn tp: Trnh by 1 pht : + Trnh by by cc ngnh cng nghip ch yu i n ha ? Cnh quan cng nghip i n ha biu hin nh th no ? 3.4/Vn dng: Hng dn HS lm bi tp 3: Chun b bi mi : th ha i n ha 1/ T l dn c th chim bao nhiu % ds i n ha ? V sao ? 2/ Tm v ghi tn cc siu th i n ha ? Nhn xt s phn b cc siu th ny? 3/ Su tm 1 s nh v cc th ln i n ha. 4/ Khi cc th pht trin qu nhanh s ny sinh ra nhng vn g ?( V mi trng, giao thng, qui hoch v pht trin, x hi ) 5/ Cc nc lm g gii quyt nhng vn ny sinh ? V.T LIU: VI.RT KINH NGHIM: --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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Tun : Tit :

ND :

Bi 16: TH HA I N HA

I.MUC TIU : 1. Kin thc : Hiu v trnh by c nhng c im c bn ca th ha v cc vn v mi trng, kinh t - x hi t ra i n ha. 2. K nng : Quan st, nhn xt, trnh by c im th,v nhim mi trng KNS: T duy,giao tip, t nhn thc(H 1,2) 3. Thi : GDMT : Mc 2 Hiu c s pht trin , m rng qu nhanh ca cc th gy ra nhng hu qu xu i vi mi trng i n ha . Phn tch nh v nhim nc, khng kh th ng h cc ch trng bin php nhm hn ch sc p ca cc th ti mi trng II.TRNG TM : c im c bn ca th ha v cc vn v mi trng, kinh t - x hi t ra i n ha. III. CHUN B : GV : Bn dn c v th TG,Tp bn HS : SGK , tp bn . IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: -Cu1: Ni c nn cng nghip sm nht trn th gii l cc nc : a/ Nhit i b/ n i c / Nhit i gi d/ Cn nhit i - Cu2 : Cng nghip ch bin v khai thc n ha pht trin nh th no? Tp trung u? p n: Cu1: b(3) Cu2:+ Cc ngnh cng nghip ch bin nhng nc i n ha pht trin v rt a dng , gm cc ngnh luyn kim, c kh , ha du n cc ngnh in t , hng khng v tr (2) + Thng tp trung cc th ln , cc vng ven cng bin, cng sng .(1) + Cc ngnh cng nghip khai thc khng pht trin bng cng nghip ch bin v phi nhp nguyn liu t i nng. (2) + Ch c mt s ni c ngun nguyn liu khong sn, rng tp trung pht trin nh: ng Bc Hoa K, vng ni U Ran, Phn Lan (2) 3.Bi mi :Gio n a l 7 V Th Thy An

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3.1/Khm ph: t vn 3.2/Kt ni: Hot ng ca GV v HS Hot ng 1:C nhn/ c lp GV: s dng PP vn p, khai thc knh ch knh hnh SGK, Bn dn c th th gii,ging gii. GV:yu cu HS nghin cu SGK ?) T l dn c th chim bao nhiu % dn s i n ha ? V sao ? - HS da vo knh ch dng u SGK tr li . - GV yu cu Hs da vo H3.3 tr11 SGK kt hp bn ln dn c th th gii tr li cu hi trong tp bn . + Tm v ghi tn cc siu th i n ha ? + Nu nhng c im chnh ca th ? C th : Nhn xt s phn b cc siu th ? Cc th ny pht trin nh th no ? HS: Nhiu th m rng , kt ni vi nhau lin tc thnh tng chm th , chui th hay siu th. S pht trin cc th c tin hnh theo quy hoch ,phng tin giao thng i li dy c GV cho Hs quan st H16.1, 16.2 m t s hin i ca cc th y ? HS:+ Chiu rng : m rng chung quanh . + Chiu cao : nhng ta nh cao chc tri, tu in trn khng . + Chiu su : tu in ngm, nh xe, kho hng ngm di t. GV gii thch trung tm thng mi, giao l nhiu tng, tu in ngm ?) th ha mc cao nh hng nh th no ti phong tc tp qun?i sng ca dn c mi trng i n ha? - GV cho Hs nhc li c im ca th ha i nng v chuyn : Mc d khc vi i nng, cc th i n ha pht trin theo qui hoch nhng do pht trin qu nhanh lm ny sinh nhiu vn v mi trng. Hat ng 2: Tho lun nhm - GDMT :Hy cho bit khi cc th phtGio n a l 7

Ni dung 1/ th ha mc cao :

- Dn c th chim 75% dn s i n ha.

Nhiu th m rng , kt ni vi nhau lin tc thnh tng chm th , chui th hay siu th. S pht trin cc th c tin hnh theo quy hoch.

Li sng th tr thnh ph bin trong phn ln dn c

2/ Cc vn ca th nhim mi trng :nc, khng kh . Tht nghipV Th Thy An

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trin qu nhanh s ny sinh ra nhng vn g ? Nhm1: + Vic tp trung dn qu ng vo cc th , s lm ny sinh cc vn g i vi mi trng ? Nhm2: + Giao thng : c qu nhiu phng tin giao thng trong cc th s c nh hng n mi trng ? + Qui hoch v v pht trin ? vn nh v vic lm nh th no khi dn th tng . Nhm3: + X hi : Trt t x hi nh th no khi dn s tng nhanh cc th? i din nhm bo co kt qu. -GV cho HS quan st H16.3 ,16.4 thy tnh trng khi bi trong lp sng m v nn kt xe trin min . ?Vic m rng qu nhanh cc th gy ra nhng hu qu xu g cho mi trng ? -HS : GV: Cc nc lm g gii quyt nhng vn ny ? HS tr li cu 3 B16 tp bn . GV lu HS : nhng vn t ra cho th ha i n ha cng l nhng vn m nc ta cn khi lp quy hoch xy dng hay pht trin mt th .

n tc giao thng

Nhiu nc ang quy hach li th theo hng phi tp trung nh : xy thnh ph v tinh , chuyn dch cng nghip v dch v n cc vng mi , th ha nng thn gim p lc cho cc th.

3.3/ Thc hnh- luyn tp: - Nt c trng ca th ha i n ha l g ? - p n: th pht trin chiu rng, chiu su. + th kt ni vi nhau thnh chm, chui th. - Nu nhng vn x hi ny sinh khi cc th pht trin qu nhanh v hng gii quyt ? - p n: Vn mi trng + Vn an ninh trt t , x hi . 3.4/Vn dng: - Chun b bi mi : nhim mi trng i n ha 1/ Cho bit ngnhn v hu qu gy nhim khng kh ? Hng gii quyt ? 2/ Cho bit nguyn nhn v hu qu gy nhim nc ? Hng gii quyt ? V.T LIU: VI.RT KINH NGHIM: ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Gio n a l 7 V Th Thy An

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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Tun : Tit :

ND :

Bi 17 NHIM MI TRNG I N HA

I.MUC TIU : 1. Kin thc : Bit c hin trng gy nhim khng kh v nhim nc i n ha. 2. K nng : Luyn tp k nng v biu hnh ct v k nng phn tch nh a l. KNS:T duy,giao tip, t nhn thc . 3. Thi : GDMT: Mc 1,2 (ton phn) Thy c nguyn nhn v hu qu do nhim khng kh cng nh nhim nc gy ra cho thin nhin v con ngi khng ch i n ha m cho ton th gii .Gio n a l 7 V Th Thy An

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Bit ni dung Ngh nh th Ki--t v ct gim lng kh thi gy nhim, bo v bu kh quyn ca Tri t. Phn tch nh a l v nhim khng kh , nhim nc n ha . V biu v mt s vn mi trng i n ha . ng h cc bin php bo v mi trng ,chng nhim khng kh v nhim nc . Khng c hnh ng tiu cc nh hng xu n mi trng II.TRNG TM : Nguyn nhn v hu qu do nhim khng kh cng nh nhim nc gy ra cho thin nhin v con ngi i n ha . III. CHUN B : GV : Cc tranh nh v nhim nc , khng kh(su tm) . HS : SGK , tp bn .Su tm tranh nh v nhim mi trng nc , khng kh IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: - Cu1:Hin nay dn c i n ha sng trong cc th chim ti: a 2/4 dn s b 4/5 dn s c 3/4 dn s d 3/5 dn s. - Cu2: Nhng vn ny sinh khi cc th pht trin ? p n: Cu1: C (3) Cu2: nhim mi trng , n tc giao thng, tht nghip, thiu ch , thiu cng trnh phc li . (7) 3.Bi mi : 3.1/Khm ph: t vn 3.2/Kt ni: Hot ng ca Gv v Hs Ni dung bi hc Hot ng 1:Theo cp/2 em 1/ nhim khng kh: GV yu cu HS quan st H 16.3 , H 16.4 / tr54 H17.1/tr56 SGK v mt s nh su tm -Hin trng:bu kh quyn b nhim ?) Cc bc nh trn cnh bo iu g? C nng n. chung ch g? HS: nhim khng kh. -Nguyn nhn : do khi bi t cc ?) Nguyn nhn lm cho khng kh b nh my v phng tin giao thng nhim l g? thi vo kh quyn. HS: khi bi t cc phng tin giao thng, kh thi t cc nh my x nghip GV : Bt u cuc cch mng cng nghip lng C02 tng nhanh .Trung tmcng nghip chu Au , Chu M thi hng chc tn kh . Trung bnh 700-900 tn /km2 / nm thi . ?) Ngoi ra cn ngun nhim no na gy ra cho kh khng kh? HS:Hot ng t nhin:bo,ct bay, lc, ni la , chy rng, qu trnh phn hy xc - Hu qu : ng thc vt + To nn nhng trn ma axit n GDMT:Khng kh b nhim gy ra mn cng trnh xy dng ,gy bnhGio n a l 7 V Th Thy An

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nhng hu qu g? HS: Ma axt, hiu ng nh knh, thng tng zn. - Gv gii thch cho hs bit v : + Ma axt l hin tng ma gy ra trong iu kin khng kh b nhim, do c cha 1 t l cao xt lu hunh khi gp nc ma xt lu hunh ha hp vi nc to thnh axitsunfunic ?) Quan st H.17.2 cho bit tc hi ca ma axt? HS:Cy ci b cht, n mn cng trnh +GV gii thch: Hiu ng nh knh l hin tng lp khng kh gn mt t b nng ln do cc kh thi to ra 1 lp mn chn trn cao, ngn cn nhit mt tri bc x t mt t khng thot c vo khng gian . ?) Tc hi ca hiu ng nh knh i viTri t ? HS:Nhit Tri t tng ln bng tan tc hi nghim trng . GV: gii thch thng tng Ozn:tng tia cc tm c hi chiu xung mt t gy bnh ung th da, hng mt.. GV lin h: a phng em c b nhim khng kh ? HS : ?) gim nhim khng kh th gii lm g? HS: k Ngh nh th T ki nhm ct gim lng kh thi gy nhim. - Gv cho hs lm cu 1 t 4 tp B GV : S liu bi tp2 bn cho thy Hoa k l nc c lng kh thi c hi bnh qun u ngi ln nht th gii chim lng kh thi ton cu 20 tn /nm / ngi nhng khng chu k ngh nh th ki- t ct gim lng kh thi . -GV chuyn :Do cng nghip v giao thng pht trin mnh mi trng khng kh i n ha b nhim nng n .Vy ngun nc ngm ,nc sng , bin c b nhim khng ? Hat ng 2:Tho lun(4 nhm)7 pht - Gv cho Hs quan st H17.3, 17.4 v da vo vn hiu bit ca mnh tho lun cu hi :Gio n a l 7

ng h hp , cy cht + Tng hiu ng nh knh khin tri t nng ln, kh hu ton cu bin i, bng hai cc tan ra, mc nc i dng tng cao, + To l thng tng zn + nhim phng x nguyn t

- Hng gii quyt :k ngh nh th Ki--t nhm ct gim lng kh thi gy nhim .

2/ nhim nc : -Hin trng: cc ngun nc b nhim gm nc sng, nc bin, nc ngm. -Nguyn nhn : + Do ha cht thi ra t cc nh my + Lng phn ha hc , thucV Th Thy An

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+ Nhm1,2:Nguyn nhn gy nhim nc tr su d tha trn ng rung . cc sng rch ? tc hi ti thin nhin v +Cc cht thi nng nghip.. con ngi ? Bin php x l ngun nc ? + m tu v tai nn tu ch du. + Nhm3,4: Nguyn nhn gy nhim bin + Cht thi phng x ? tc hi ? bin php x l nhim ngun + Cc cht c t sng ngi chy nc. ra -i din cc nhm bo co kt qu,b sung. GV cht : ( Bng ph ) - Gv cho Hs bit : Phn ln cc th i n ha tp trung dc ven bin, trn 1 di t ch rng khng qu 100 km. Vic tp trung cc th nh th s gy nhim cho nc sng v nc bin . - Gv yu cu Hs gii thch thut ng thy -Hu qu : triu en, thy triu v cho bit +Lm cht ngt cc sinh vt sng nguyn nhn gy ra thy triu l do nc trong nc. c qu tha cht m t nc thi shot, +Thiu nc sch cho i sng v phn bn ha hc cho ng rung tri sn xut. xung sng rch. GDMT: Cho bit tc hi ca thy triu en v thy triu i vi cc sinh vt di nc v ven b ? ( lm cht ngt cc sinh - Bin php: x l cc lai nc thi vt ) trc khi ra sng ,h, bin ? a phng em c b nhim ngun nc khng? HS : GV lin h vn nhim ngun nc sng Vm C ng lm c cht hng lot. GV:yu cu HS lin h vn nhim mi trng nc v khng kh nc ta v gio dc HS thc bo v mi trng. 3.3/ Thc hnh- luyn tp: - Cu1: Bi tp 2, Bi :17 Tp bn Cu 2:Trnh by hu qu v bin php khc phc nhim kh6ng kh v nc i n ha ? p n: + Hu qu: To ma axt, hin tng hiu ng nh knh,thng tng Zn, nh hng n mi trng thy hi sn, hy hoi mi trng sinh thi + Bin php:Bo v mi trng 3.4/Vn dng: Hng dn Hs lm bi tp s 2 tr 58 SGK :v biu hnh ct (phi c t l tng ng ng vi s liu cho:Trc tung tn/nm/ngi), trc honh cc nc).Tnh lng kh thi:S ngi tn/ nm/ ngi - Chun b bi mi : Thc hnh : Nhn bit c im mi trng . +Xem v tr li trc cu 1, 2. n tp kin thc v c im ca mi trng i n ha.Gio n a l 7 V Th Thy An

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+Cch phn tch biu nhit v lng ma. V.T LIU: VI.RT KINH NGHIM: --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Tun : Tit :

ND :

Bi 18 : THC HNH NHN BIT C IM MI TRNG I N HA V Th Thy An Gio n a l 7

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I.MUC TIU : 1. Kin thc : Hiu v nm vng hn c im ca cc kiu kh hu i n ha . 2. K nng : Pht trin k nng phn tch biu nhit v lng ma . Cng c k nng nhn bit 1 s rng n i qua nh a l . Bit xc lp mi quan h gia cc yu t t nhin i n ha . V biu v s gia tng lng co2 trong khng kh . KNS:T duy, giao tip, t nhn thc. 3. Thi : GDMT: Mc 3, b phn Bit v v phn tch biu gia tng lng kh thi i n ha Bit lng kh thi CO2 ( ixtccbon ) tng l nguyn nhn ch yu lm cho tri t nng ln , lng CO2 trong khng kh khng ngng tng v nguyn nhn ca s gia tng ng h cc bin php nhm hn ch lng kh CO2 trong khng kh II.TRNG TM : c im ca cc kiu kh hu i n ha III. CHUN B : GV : nh mt s kiu rng n i .Tp bn HS : SGK , tp bn . IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 1/Cho bit nguyn nhn gy nhim khng kh i n ha, hu qu v hng gii quyt? Nguyn nhn : do khi bi t cc nh my v phng tin giao thng thi vo kh quyn. Hu qu : + To nn nhng trn ma axit n mn cng trnh xy dng ,gy bnh ng h hp , cy cht + Tng hiu ng nh knh khin tri t nng ln, kh hu ton cu bin i, bng hai cc tan ra, mc nc i dng tng cao, + To l thng tng zn + nhim phng x nguyn t Hng gii quyt :k ngh nh th Ki--t nhm ct gim lng kh thi gy nhim 2/V sao mi trng nc i n ha b nhim? gim bt s nhim nc con ngi phi lm g? Nguyn nhn: + Do ha cht thi ra t cc nh my + Lng phn ha hc , thuc tr su d tha trn ng rung . +Cc cht thi nng nghip.. + m tu v tai nn tu ch du.Gio n a l 7 V Th Thy An

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+ Cht thi phng x + Cc cht c t sng ngi chy ra Bin php: +X l cc lai nc thi trc khi ra sng ,h, bin, 3.Bi mi : 3.1/Khm ph: t vn 3.2/Kt ni: Hot ng ca Gv v Hs Ni dung GV nu yu cu ca bi thc hnh v nu ni dung 3 bi tp. Bi tp 1:Xc nh kiu mi trng qua biu kh hu. Bi tp 2:Xc nh kiu rng qua nh a l Bi tp 3:V biu , gii thch nguyn nhn s gia tng lng CO2 trong kh quyn. GV hng dn HS cch lm. Cu 1 : Hot ng 1:Tho lun nhm. -GV yu cu HS quan st 3 biu SGK/59 -GV lu Hs n cch th hin mi trong cc biu nhit v lng ma:(nhit , lng ma u th hin bng ng:ngmu :nhit ,ng mu xanh:lng ma). -GV chia lp thnh 3 nhm , mi nhm tho lun , phn tch 1 biu . -GV nhc li cho HS nm nhng cng vic cn lm khi phn tch 1 biu kh hu. + Ch nhit : Cao nht bao nhiu ? Thng my ? Thp nht bao nhiu ? Thng my ? Chnh lch nhit gia thng cao nht v thng thp nht ? + Ch ma : Ma nhiu hay ma t ? Cao nht bao nhiu mm? Thng my? Thp nht bao nhiu mm? Thng my? Ma tp trung vo ma no ? Biu thuc kiu mi trng no ? -i din nhm bo co kt qu, GV nhn xt, kt lun theo bng sau:Gio n a l 7 V Th Thy An

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Biu Ma h

Ma ng

Kt lun

A Gn 10 C,ma nhiu, lng nh. -30OC, c 9 thng nhit di 0 OC, 1500mm, ma kh ngn, lng ma nh. Cu 2: -Nguyn nhn : Do khi bi t cc nh my v phng tin giao thng thi vo kh quyn. - Hu qu : + To nn nhng trn ma axit n mn cng trnh xy dng ,gy bnh ng h hp , cy cht + Tng hiu ng nh knh khin tri t nng ln, kh hu ton cu bin i, bngV Th Thy An

Cu 2:Nu nguyn nhn gy nhim khng kh i n ha, hu qu v hng gii quyt?

Gio n a l 7

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Cu 3:Trnh by c im kh hu ca mi trng i lnh ? Thc vt v ng vt thch nghi vi mi trng i lnh nh th no?

hai cc tan ra, mc nc i dng tng cao, + To l thng tng zn + nhim phng x nguyn t -Hng gii quyt : K ngh nh th Ki--t nhm ct gim lng kh thi gy nhim Cu 3: *c im: - Kh hu v cng khc nghit, lnh lo + Ma ng rt di , rt lnh v thng c bo tuyt d di. + Ma h ngn, nhit c tng ln nhng cng khng qu 100C . + Ma t, ch yu di dng tuyt ri, t ng bng quanh nm. *S thch nghi ca thc vt v ng vt vi mi trng - Thc vt : ch pht trin vo ma h ngn ngi, cy ci ci cc, thp ln, mc xen ln vi ru, a y. - ng vt :c lp m, lp lng dy hoc b lng khng thm nc chng lnh, mt s ng vt ng ng hay di c trnh ma ng lnh. Cu 4: Hoang mc i nng - Bin nhit nm cao - Ma ng m, ma h nng - Lng ma rt t - Hoang mc Xa-ha-ra, Na mip Hoang mc n ha - Bin nhit nm rt cao - Ma h khng nng, ma ng rt lnh - Ma t - Hoang mc Gh-bi, Mui ln

Cu 4: So snh s khc nhau ca hoang mc i nng v i n ha ? c im khc nhau ca kh hu

Cu 5: Cc mi trng t nhin chu Phi c s phn b nh th no? Gii thch v sao li c s phn b nh vy ?

Cu 5: - Cc mi trng t nhin ca chu Phi nm i xng qua Xch o Gm: + Mi trng xch o m + 2 mi trng nhit i + 2 mi trng hoang mc + 2 mi trng a trung hi. Do v tr nm cn xng hai bn Xch oV Th Thy An

Gio n a l 7

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nn cc mi trng t nhin ca chu Phi nm i xng qua Xch o Cu 6: Phn tch biu nhit lng ma v sp xp biu vo cc v tr nh du trn hnh 27.2 sao cho ph hp IV. NH GI : V.HOT NG NI TIP:

Tun CM: Tit CT:

ND :

KIM TRA HC K I

I.MUC TIU : 1. Kin thc : Mi trng i nng, cc kiu mi trng i nng. Mi trng i n ha, nhim mi trng i n ha.Gio n a l 7 V Th Thy An

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Mi trng i lnh, s thch nghi ca ng thc vt i vi mi trng. 2. K nng : K nng trnh by mt s c im ca cc kiu mi trng. 3. Thi : thc s cn thit bo v, ci to mi trng t nhin. II.TRNG TM : Cc mi trng a l v hot ng kinh t ca con ngi III. CHUN B : GV : Cu hi kim tra. HS : Giy kim tra, ni dng kin thc hc. IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 3.Bi mi : Ma trn kim tra Cp Ni dung Cu 1 :Cc kiu mi trng i nng-Kh hu ca mi trng nhit i gi ma. Cu 2 : nhim mi trng khng kh Cu 3 :Mi trng i lnh. S thch nghi ca ng thc vt i vi mi trng. 3.1/Khm ph 3.2/Kt ni : Hot ng ca GV-HS Cu hi kim tra Cu 1: i nng c cc kiu mi trng no? Vit Nam thuc kiu mi trng no ca i nng v nu c im kh hu ca kiu mi trng ? (4) Ni dung bi p n Cu 1: (4) *Cc kiu mi trng i nng: (1,5 ) - Mi trng xch o m - Mi trng nhit i - Mi trng nhit i gi ma - Mi trng hoang mc *Vit Nam thuc mi trng nhit i gi ma(0,5) *c im kh hu ca mi trng nhit i gi ma(2) - Nam v ng Nam l hai khu vc in hnh ca mi trng nhitV Th Thy An

Bit 1,5

Hiu

Vn dng 2,5

Tng im 4 3 3

3 1,5 1,5

Gio n a l 7

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i gi ma. (Ma ma: Nng, ma nhiu v ma kh: Lnh v kh) - Kh hu nhit i gi ma c hai c im ni bt l : nhit , lng ma thay i theo ma gi v thi tit din bin tht thng . -Nhit TB nm>200C. -Bin nhit TB 80C -Lng ma TB>1500mm, ma kh Cu 2:Nu nguyn nhn gy nhim ngn, lng ma nh. khng kh i n ha, hu qu v Cu 2:(3) hng gii quyt?(3) -Nguyn nhn : (1) Do khi bi t cc nh my v phng tin giao thng thi vo kh quyn. - Hu qu :(1) + To nn nhng trn ma axit n mn cng trnh xy dng ,gy bnh ng h hp , cy cht + Tng hiu ng nh knh khin tri t nng ln, kh hu ton cu bin i, bng hai cc tan ra, mc nc i dng tng cao, + To l thng tng zn + nhim phng x nguyn t -Hng gii quyt :(1) Cu 3:Trnh by c im kh hu K ngh nh th Ki--t nhm ct ca mi trng i lnh ? Thc vt v gim lng kh thi gy nhim ng vt thch nghi vi mi trng Cu 3:(3) i lnh nh th no?(3) *c im:(1,5) - Kh hu v cng khc nghit, lnh lo + Ma ng rt di , rt lnh v thng c bo tuyt d di. + Ma h ngn, nhit c tng ln nhng cng khng qu 100C . + Ma t, ch yu di dng tuyt ri, t ng bng quanh nm. *S thch nghi ca thc vt v ng vt vi mi trng (1,5) - Thc vt : ch pht trin vo ma h ngn ngi, cy ci ci cc, thp ln, mc xen ln vi ru, a y. - ng vt :c lp m, lp lng dy hoc b lng khng thm nc chng lnh, mt s ng vt ng ng hay di c trnh ma ng lnh.Gio n a l 7 V Th Thy An

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3.3/ Thc hnh- luyn tp: -GV thu bi kim tra hc k ca HS 3.4/Vn dng: -Chun b bi 27:Thc hnh +S phn b cc mi trng t nhin Chu Phi. +Phn tch biu nhit , lng ma Chu Phi. V.T LIU: VI.RT KINH NGHIM. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Ngy son: /1/2012 Ngy ging: /1/2012 Tit 35 :

Duyt:.../..../2012

Bi 30 : KINH T CHU PHI

Gio n a l 7

V Th Thy An

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A . MUC TIU BI HC : 1. Kin thc : Trnh by v gii thch mc n gin c im kinh t chung v cc ngnh kinh t ca chu Phi. 2. K nng : S dng bn trnh by c im kinh t KNS : T duy, giao tip 3. Thi : Hiu c cc hot ng cng nghip v nng nghip vi k thut lc hu ca chu phi c tc ng xu n mi trng . Phn tch mi quan h gia hot ng kinh t ca con ngi vi mi trng ca chu phi . (mc,2, lin h) B. PHNG TIN DY HC : GV : Bn kinh t Chu Phi. HS : Ti liu, tranh nh v kinh t chu Phi C. HOT NG DY V HC : I. n nh t chc II. Kim tra bi c III. Bi mi : Hot ng GV- HS Ni dung chnh c im chung : -Phn ln cc quc gia c kinh t lc hu, chuyn mn ha phin din, ch trng trng cy cng nghip nhit i v khai thc khong sn xut khu. Pht trin nht : CH Nam Phi , Li Bi, Angiri , Aicp 1. Nng nghip . Hot ng 1 : a. Trng trt : - HS quan st H 30.1 + ni dung sgk phn a. ? Trong nng nghip chu phi c hnh thc - Cy cng nghip nhit i c trng nhiu trong cc n in, canh tc no theo hng chuyn mn ha nhm - HS: Sn xut hng ha , canh tc nng ry mc ch xut khu nh : ? Ti sao c s khc nhau v 2 hnh thc trn - Ca cao : pha bc vnh Ghi n - HS tr li - C ph : ty v ng phi - GV gii thch : + Khu vc sn xut nng sn xut khu hng - C du : ven vnh Ghi n, ni c kh hu nhit i. chuyn mn ha ( t bn nc ngoi s h ) + Khu vc sn xut nh ca nng dn a - Mt s cy n qu : nho, liu, cam, chanh c trng cc phng , trnh sn xut lc hu ph thuc vo Bc, cc Nam chu Phi, mi thin nhin trng a Trung Hi. ? Nu s khc nhau trong sn xut cy cng - Cy lng thc chim t trng nh nghip v cy lng thc trong c cu ngnh trng trt ; - GV chia nhm : Mi nhm trnh by mt loi hnh thc canh tc nng ry cn cy . ph bin, k thut lc hu : k, la ? Quan st H30.1 SGK nu s phn b ca cc m, la go. lai cy trng : - Cy cng nghip chnh - Cy n quGio n a l 7 V Th Thy An

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- Cy lng thc . - GV: Chun b ni dung bng . Loi cy Phn b Ca cao Duyn hi pha Bc vnh Ghin C ph Cao nguyn ng Phi, duyn hi ng phi, vnh Ghin Cy cng nghip C du Duyn hi vnh Ghin v ni c kh hu nhit i Lc Ghin, Camrun, Xung, CH Cng G Cam, Ven a Trung Hi, ven bin cc nam chu Phi Cy n qu chanh, nho, liu La m, Cc nc ven a Trung Hi v CH Nam Phi ng Cy lng thc K Ph bin khp chu Phi, nng sut thp La go ng bng sng Nin-Ai cp ? Ngnh chn nui c c im g b. Ngnh chn nui ? S phn b v hnh thc chn nui - Chn nui km pht trin, hnh ? Cu, ln, b , c nui u thc chn th ch yu - HSTL. 2. Cng nghip Hot ng 2 : ? Cng nghip chu Phi c iu kin thun li Phn ln cc nc c nn cng nghip chm pht trin. Nguyn pht trin nhn : Thiu lao ng chuyn mn - HSTL k thut, dn tr thp , thiu vn , ? Quan st lc h30.2 SGK cho bit khong c s vt cht lc hu sn quan trng phn b u - HS: Khai thc khong sn xut khu ? Nhn xt g v trnh pht trin cng nghip c vai tr quan trng. Chu Phi . ? Chu Phi c my khu vc c trnh pht trin - Pht trin nht : CH Nam Phi , Angiri , Aicp -Pht trin : Cc nc Bc Phi cng nghip du kh - Chm pht trin : Cc nc cn li . ? Nguyn nhn km hm s pht trin cng nghip Chu Phi . - Thiu lao ng chuyn mn , k thut dn tr thp , thiu vn , c s vt cht lc hu - c im ni bt nn kinh t chu Phi * GDMT : Lin h cc hnh thc hot ng nng nghip v cng nghip vi k thut lc hu ca chu Phi c tc ng xu n mi trng. IV. NH GI : ? S khc nhau trong sn xut cng nghip v cy lng thc . ? Hng dn HS v 2 biu hnh trn th hin t l dn s Chu Phi so vi th gii v biu t l sn lng cng nghip Chu phi so vi th gii V.HOT NG NI TIP: - Lm bi tp SGK 1, 2, 3 + Tp bn - Chun b bi mi : Kinh t chu Phi ( tip theo )Gio n a l 7 V Th Thy An

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Ngy son: 06 /1/2012 Ngy ging: 09/1/2012 Tit 36 :

Duyt:.../..../2012

Bi 31 : KINH T CHU PHI ( TT )A .MUC TIU : 1. Kin thc : Dch v : Hot ng kinh t i ngoi cc nc tng i n ginGio n a l 7 V Th Thy An

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Bit c chu Phi c tc th ho kh nhanh v s bng n dn s th ; nguyn nhn v hu qu. 2. K nng : c lc kinh t Phn tch bng s liu v t l gia tng dn s, t l dn thnh th mt s quc gia chu Phi. 3. Thi : Gio dc hc sinh v vic th ha khng c k hoch nh hng ti cht lng cuc sng, mi trng . B. PHNG TIN DY HC : GV : Bn kinh t chu phi . HS : Atlat, tp bn C. HOT NG DY V HC : I. n nh t chc II. Kim tra bi c III. Bi mi : Hot ng GV- HS Ni dung chnh Hot ng 1 : - GV : yu cu HS c thut ng : Khng 3/ Hot ng dch v hong kinh t / tr 187/ SGK . ? Quan st H31.1/ SGK cho bit hot ng kinh t i ngoi chu Phi c c im g ni -Hot ng kinh t i ngoi ca cc bt nc Chu Phi tng i n gin. - HS: ? Xut khu hng g ch yu - Ch yu l ni cung cp nguyn liu ? Nhp hng g ch yu th , xut khu nng sn nhit i - HS: - Ni tiu th hng ha cho cc nc t ? Ti sao phn ln chu Phi phi xut khu bn ( nhp khu my mc , thit b , khong sn , nguyn liu th v nhp my mc hng tiu dng , lng thc ) thit b - HS:V cc cng ty nc ngoi nm gi ngnh cng nghip khai khong , cng nghip ch bin . ? Ti sao l chu lc xut khu ln sn phm nng sn nhit i m vn phi nhp lng lng thc ln - Khng ch trng trng cy lng thc trong nng nghip . - Cc n in cy cng nghip xut khu - 90 % thu nhp ngoi t nh vo xut trong tay t bn nc ngoi . khu nng sn v khong sn . ? Thu nhp ngoi t ca phn ln cc nc chu phi da vo ngun kinh t no - Hng xut khu gi c rt thp - Hng nhp khu gi c rt cao . Thit hi ln cho chu Phi . ? Quan st H31.1/ SGK cho bit ng st chu Phi pht trin ch yu khu vc no - Ven vnh Ghin khu vc sng Nin , NamGio n a l 7 V Th Thy An

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Phi ? Ti sao mng li ng st pht trin cc khu vc trn - Ch yu phc v hot ng xut khu . ? Em cho bit gi tr kinh t v giao thng ca knh o xuy- 4/ th ha Chu Phi -HSTL, GV kt lun. Hot ng 2 : - Tc th nhanh, bng n dn - GV yu cu c mc 4 / SGK : th. th ha t pht. ? Cho bit c im th ha chu Phi ? Nguyn nhn - HS: ? Quan st bng s liu + H29.1 / SGK cho bit s khc nhau v mc th ha gia cc quc gia ven vnh Ghi n , duyn hi Bc Phi v duyn hi ng Phi ? Mc th ha cao nht khu vc no ( Bc Phi ) ? Cho bit nguyn nhn ca tc th ha - Nguyn nhn : Do s gia tng dn s t nhin, s di dn t t nng thn chu Phi vo cc thnh ph ln v l do thin -HS: tai , xung t tc ngi, xung t bin gii. ? Nu nhng vn kinh t x hi ny sinh - Hu qu : th ha khng tng xng vi trnh cng nghip ha do bng n dn s th Chu Phi lm xut hin nhiu vn kinh t-x -HSTL, GV kt lun. hi cn gii quyt. IV. NH GI : ? V sao chu Phi ch yu xut khu sn phm cy cng nghip nhit i v khang sn v nhp my mc , thit b , hng tiu dng dng , lng thc . V.HOT NG NI TIP: Xem bi: Cc khu vc ca Chu Phi

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I.MUC TIU : 1. Kin thc : 2. K nng : 3. Thi : . II.TRNG TM : III. CHUN B : GV : . HS : IV.TIN TRNH : 1.n nh t chc v kim din: 2. Kim tra ming: 3.Bi mi : 3.1/Khm ph: t vn 3.2/Kt ni: 3.3/ Thc hnh- luyn tp: Trnh by 1 pht : 3.4/Vn dng: V.T LIU: VI.RT KINH NGHIM: ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ND : - Tun 19 : 1/ MC TIU :Gio n a l 7 V Th Thy An

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n li nhng kin thc hc v chu Phi . 2/ CHUN B : - Gv :bn t nhin chu Phi, BKT chu Phi - Hs : SGK , tp bn . 3/ PHNG PHP DY HC : Phng php vn p , gi m , tho lun nhm . 4/ TIN TRNH 4.1/ n nh t chc : ktra s s lp 4. 2/ Ktbc : Khng . 4.3/Bi mi Hot ng ca gv-hs Ni dung chnh - Hot ng 1 : 1/ Nng nghip : HS quan st H30.1 / sgk trong nng nghip - C 2 hnh thc : Sn xut hng ha , c nhng hnh thc no ? canh tc nng ry . -Hs : - Cy lng thc chm t trng nh trong Hs h30.1 /sgk + BKT chu Phi nu s c cu ngnh trng trt . phn b ca cc loi cy trng ? - Gi Hs ln xc nh trn bn . + Cc loi cy trng : - Cy cng nghip : ca cao , c ph , c du , lc - Cy n qu : cam , chanh , nho ,liu . - Cy lng thc : La m , ng , k , la go . + Ngnh chn nui : Chn nui km pht trin , hnh thc chn th , ph thuc vo t nhin 2/ Cng nghip :

-Hot ng 2 : ?) Ngnh cng nghip chu Phi ntn ? -HS : -HS quan st lc H30.2/ sgk + BKT cho bit ti nguyn khong sn quan trng v c tr lng ln c phn b u ? - Hs ln xc nh trn bn . ?) Nhn xt v trnh php trin cng nghip ca chu Phi . HS: ?) Nguyn nhn km hm s pht trin cng nghip ca chu Phi ? -HS : - Hot ng 3: - Quan st H31.1/ sgk cho bit hot ng kinh t i ngoi ca chu Phi c c imGio n a l 7

-Ngn khong sn phong ph . - Cng nghip chm pht trin . + C 3 khu vc c trnh pht trin khc nhau . -Cng ha Nam Phi c trnh cng nghip pht tri ton din nht .

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g ni bt ? - Xut hng g ch yu ? - Nhp hng g c yu ? 3/ Hot ng dch v : ? ) Ti sao phn ln chu Phi phi xut khu - Ch yu l ni cug cp nguyn liu th , khong sn , nguyn liu th v nhp my xut khu nng sn . mc thit b ? - Ni tiu th hng ho cho cc nc t - V cc cng ty nc ngoi nm gi bn , nhp khu my mc, thit b ,lng ngnh cng nghip khai khong , cng thc . nghip ch bin . ? ) Ti sao l chu lc xut khu ln sn phm nng sn nhit i m vn phi nhp lng lng thc ln ? - Khng ch trng trng cy lng thc trong nng nghip . - Cc n in cy cng nghip xut khu trong tay t bn nc ngoi . ? ) Thu nhp ngoi t ca phn ln cc nc chu phi da vo ngun kinh t no? -90 % thu nhp ngoi t nh voxut khu nng sn v khong sn . Hot ng 4 : ? ) Quan st bng s liu + H29.1 / SGK s khc nhau v mc th ha gia cc quc gia ven vnh Ghi n , duyn hi Bc 4/ th ha Chu Phi Phi v duyn hi ng Phi ? -Mc th ha cao nht nc no ,Kh - Tc th khng tng xng vi cao , thp ? khu vc no ? trnh pht trin kinh t . ( Bc Phi ) ? ) Cho bit nguyn nhn catc th ha chu Phi ? ? ) Nu nhng vn kinh t x hi ny sinh do bng n dn s th Chu Phi ? - Nguyn nhn : Do khng kim sot c s gia tng dn s , thin tai , sn xut nng nghip khng pht trin , ni chin lin min dn t nn v thnh ph .

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4.4 / Cng c v luyn tp . 1/ S khc nhau trong sn xut cng nghip v cy lng thc . 2/ V sao chu Phi ch yu xut khu sn phm cy cng nghip nhit i v khang sn . Nhp my mc , thit b , hng tiu dng dng , lng thc . 3/ Ln bng xc nh trn lc phn b dn c v th Chu Phi - Cc cng ln chu Phi Nu tn , v tr th trn 5 triu ngi 4.5/ Hng dn Hs t hc nh . -Hc bi . * Chun b bi tip theo : cc khu vc chu Phi . 1/ Chu Phi c chia lm my khu vc ? 2/ c im khi qut t nhin ca tng khu vc ? 3/ c i kinh t x hi ca tng khu vc ? 5/ Rt kinh nghim : --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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