Thien Nhien Chau Phi

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Hon thnh bng thng k v ni phn b mt s khong sn ch yu ca chu Phi: Khong sn Du m, kh t Pht pht Ni phn b ch yu -ng bng ven bin Bc Phi v ven vnh Ghin Ba nc Bc Phi(Ma-rc, An-gi............. ri, Tuy-ni-di)

KIM TRA BI C:

Vng, kim -Ven vnh Ghi-n, khu vc Trung Phi, cao .. nguyn Nam Phi cng .. -Dy ni tr r-ken-bc St ng, ch, c-ban... -Trn cc cao nguyn Nam Phi

Xc nh gii hn chu Phi, cho bit chu Phi gip nhng bin v i dng no?

Bi 27: THIN NHIN CHU PHI1.V TR A L 2. A HNH V KHONG SN 3. KH HU 4.CC C DIM KHC CA MI TRNG T NHIN

Bi 27: THIN NHIN CHU PHII. Kh hu:

? Gia thch v sao chu Phi l chu lc nng? Chu Phi nm gia hai ng ch tuyn-> phn ln lnh th thuc i nng.

Ch tuyn Bc

Xch o

Ch tuyn Nam

Bi 27: THIN NHIN CHU PHI3. Kh hu:

- Phn ln din tch chu Phi thuc i nng

Gii thch v sao kh hu chu B bin chu Phi kh?

Phi t b ct x nhiu, chu Phi l mt lc a hnh khi. Kch thc chu Phi ln -> nh hng ca bin khng vo su t lin nn chu Phi l lc a kh.

Bi 27: THIN NHIN CHU PHI3. Kh hu:

- Phn ln din tch chu Phi thuc i nng - nh hng ca bin khng vo su trong t lin nn chu Phi l lc a kh

Xc Gii thch nh trn lc v sao cc chu Phi hoang mc li hnh ln chu Phi? thnh nhng hoang mc ln?

Hoang mc Xa-ha-ra c chiu di khong 5.000km v din tch ph rng trn 200.000 km2 ln hu ht cc quc gia ng v Ty Phi nh Mauritania, Morocco, Algeria, Tunisia, Ai Cp, Sudan v Mali. Bn cnh nhng bi sa mc mnh mng gi ct l nhng c o xanh ti v c lng nc ngm nhng on du khch i qua ngh chn ly sc trong cuc hnh trnh di y gian kh.

Hoang mc Xa-ha-ra

Bi 27: THIN NHIN CHU PHI3. Kh hu:

- Phn ln din tch chu Phi thuc i nng - nh hng ca bin khng vo su trong t lin nn chu Phi l lc a kh-Hnh thnh cc hoang mc ln: hoang mc Xa-ha-ra, Ca-la-ha-ri

Nhn xt s phn b lng Trnh by s phn ma ca chu b lng ma Phi? chu Phi? -Lng ma phn b khng u

-Lng ma ln nht -Lng ma t 1001-Lng ma t 200trn 2000mm:b 2000mm:phnn b 1000mm: Phi quanh bin Ty Bc hai bn ng Xch hoangGhi-n v ven vnh mc Xa-ha-ra, o n b bin n ng o Xch Dng, nam l Cala-ha-ri. Ngoi ra cn c ven bin a Trung Hi -Lng ma di 200mm:ch yu hoang mc xaha-ra v hoang mc Na-mip

K tn cc dng bin nng v dng bin lnh dng bin Cho bit ccchy ven chu Phi? nng v lnh c nh hng g ti lng ma chu vnghng -Ni cc nh ven bindng binnh th ca chu Phi nng no? thng ma nhiu ( vnh Ghi-n) -Ni chu nh hng ca dng bin lnh thng t ma -> hnh thnh hoang mc (hoang mc Na-mip) vng ven bin chu Phi

Bi 27: THIN NHIN CHU PHI3. Kh hu:

- Phn ln din tch chu Phi thuc i nng - nh hng ca bin khng vo su trong t lin nn chu Phi l lc a kh-Hnh thnh cc hoang mc ln: hoang mc Xa-ha-ra, Ca-la-ha-ri -Lng ma phn b khng u

Bi 27: THIN NHIN CHU PHI3. Kh hu: 4. Cc c im ca mi trng t nhin:

Quan st lc cc mi trng t nhin chu Phi Chu Phi c nhng mi trng t nhin no? -Chu Phi c cc mi trng t nhin: xch o m, cn nhit i m,nhit i, a trung hi, hoang mc

Tho lun nhm - Thi gian: 4 Nu v tr phn b, kh hu, thc vt, ng vt ca cc kiu mi trng ca chu Phi? N1: Mi trng xch o m N2: Mi trng nhit i N3: Mi trng a trung hi N4: Mi trng hoang mc

Hoang mc Xa-ha-ra Mi trng hoang mc Mi trng a trung hi Mi trng xch o m

Rng cy l cng Hoang mc Xa-ha-ra Rng rm xanh quanh nm

Mi trng nhit iHoang mc Ca-la-ha-ri

Xavan chu PhiXavan cu Phi

Cc mi V tr phn b trng Xch -Bn a Cng-g o m -Dy t ven vnh Ghi-n Nhit i Hoang mc -Pha Bc v pha Nam xch o -Hoang mc Xaha-ra( Bc Phi) -Hoang mc Cala-ha-ri (Nam Phi) -Cc Bc v cc Nam chu Phi

Kh hu -Ma nhiu

ng, thc vt Rng rm xanh quanh nm Rng tha ,xavan ng, thc vt ngho nn Rng cy bi l cng

-Lng ma gim dn -Kh hu khc nghit ,ma rt t -Ma ng mt m, c ma -Ma h

a trung hi

Nhn xt s phn b ca cc mi trng t nhin Chu Phi?

-Cc mi trng t nhin ca chu Phi nm i xng qua xch o

=>Do v tr a l, hnh dng b bin, s phn b lng ma, nh hng ca cc dng bin lnh-> chu Phi l chu lc nng, kh. V th chu Phi c nhiu hoang mc v xavan.

Quan st H 27.1 v H 27.2 SGK Ni ct A ( lng ma) vi ct B( mi trng t nhin) cho ph hp th hin mi quan h gia lng ma v lp ph thc vt chu Phi:

Ct A 1.Trn 2000mm 2.T 10012000mm 3.T 2011000mm 4.Di 200mm

Ct B A. Rng rm B. Rng rm xanh quanh nm C. Hoang mc

p n 1+ B 2+ A 3+ D

D. Xavan

4+ C

HNG DN V NHHc bi 27: +Gai thch v sao chu Phi l chu lc nng v kh? + S phn b cc mi trng t nhin chu Phi Chun b bi 28: THC HNH: PHN TCH LC CC MI TRNG T NHIN, BIU NHIT V LNG MA CHU PHI + Trnh by v gii thch s phn b cc mi trng t nhin chu Phi? + Phn tch cc biu nhit v lng ma (SGK)