-HS lam viec ca nhan ghi lai nhCfng hieu biet cua minhve mite do lam viec cua nhip tim khi chdi dua qua she vdi luc cd the difdc nghi ngdi, thif gian ghi vao vd TH -HSlam viec theo nhom
Trang 1GIAO AN DAY HOC BANG PHlTdNG PHAP BAN TAY NAN BOT
L6P3C
Mon :Tiinhien & Xa hoi
A/ Muc tieu:
Sau bai hoc, hs biet:
-So sanh mtfc do lam viec cua tim khi chdi duaqua sdc hoac luclam viecnangnhoc vdi luccd
the difdc nghi ngOi thif gian
-Neucac viec nen lamva khong nen lam de bao veva gitf ve sinhcdquantuan hoan
-Tapthe due deu dan, vui chcfi, lao dong vufashe de baove cdquan tuanhoan
B/ Chuan bi:
-GV :Cachinh trongSGKtrang 18,19 Cau hoi hs thao luan
- HS : SGK
C/Cachoatdong day-hoc:
HOAT BpNG CUA HS
TL
I/6n dinh
II/ Baicu:
4’
-Neuchdcnang cuatufng loai machmau?
-Vong tuanhoan nhoco chdcnanggi ?
-Vong tuanhoan ldn cd chtfcnanggi ?
GVnhan xet danh gia .
III/Baimdi:
*Gidi thieu bai: Ve sinhcdquantuanhoan
* Hoatdong1: Timhieumtfcdo lam vieccuatim
Btfdc 1:Difara tinh huong xuat phat.
-GV cho HS chcfi tro chdi : “ Con tho “ doi hoi van
dong It Sau do cho HS hat mua bai : “ Tho di tarn
nang “
GV hoi: Cacem cd cam thay nhip tim va mach cua
minh nhanh hefn luc ta ngoiyenkhong ?
Btfdc 2 : Lam boc lo nhhng hieu biet ban dau cuaHS
thongquanhip dap cua tim
-Hoc sinh tra ldi
1’
16’
-1Hs dieu khien ca ldp thiic hien theo
- HS nghe , suy nghi de chuan bi
timtoi kham pha
-HS lam viec ca nhan ghi lai nhCfng hieu biet cua minhve mite
do lam viec cua nhip tim khi chdi dua qua she vdi luc cd the difdc
nghi ngdi, thif gian ( ghi vao vd
TH) -HSlam viec theo nhom4 : Tong hdp cac y kienca nhan de dat ca hoi theo nhom
Bifdc 3 :De xuat cau hoiva phifdng antimtoi
-GVchoHSlam viec theo nhom4
-GVchot lai cac cau hoi cua cac nhom: nhom cac cau
hoi phu hdp vdi noi dung bai hoc
+ Khi ta van dong nhe hoac nghingdi thi nhip tim ta
dap nhif the nao?
+ Khi ta van dong manh thi nhip tim cua ta dap nhif
thenao ?
+So sanh nhip dap cua tim khi ta van dong nhe va
Trang 2vandong manh ?
Birtfc 4 :Thitc hien phitdng antimtoi kham pha
-GV hifdng din gdi y HS de xuat cac phitdng an tim
toi, kham pha de tim cau tra ldi cho cac cau hoi d
bifdc3
Bifdc 5 :Ket luan rut ra kien thitc
-Cho cac nhom lan litdt trinh bay ket luan sau khi
thao luan
* Ket luan: Khi ta van dong manh hoac lao dong
chan tay thl nhip dap cua tim vd mach nhanh lu/n binh
thudng Vi vqy, lao dong vd vui chctiratco ich U/icho
boat dong cua tim mach Tuy nhien, neu lao dong
hoac hoat dong qua site, tim co the bi met, co hqicho
sitekhoe
-Hifdng danHSso sanhva doi chieu
*Hoatdone2:Lam viec voi SGK tim hieu ve cac
viec nen lam va khong nen lam de bao ve tim
mach.
-Cho HS lam viec theo nhom 4 : Quan sat tranh : 1
em neucau hoi,1em tra ldi cac em khac bosung
-ChoHSthao luancac cau hoi:
+Cacban dang lam gi ?
-i-Cac ban lam nhif the la nen hay khong nen de bao
vetim mach ? Vi sao ?
+Hoat dong nao co ldi cho tim mach? Tai sao khong
nen luyen tapva lao dongqua she?
-i-Tai sao chung ta khong nen mac quan ao, di giay
depqua chat?
-i-Ke ten mot so thitc an do uong , giiip bao ve tim
mach va ten nhrfng thitc an do uong, lam tang
huyetap, gayxdvrfadong mach?
-GVchoHStitlien he ban than:
+ Em da lam gi de bao vetim mach
• Ketluan:(Phan bong den-SGK)
IV/Cungco -dan do:
-GoivaiHSnhac lai noi dung bai hoc
-Dan venha hoc bai.
-Chuan bi: Phong benh tim mach._
-Cac nhom thao luan va trinh bay
-Dai dien nhom trinhbay
-HS so sanh lai vdi hien titdng
ban dau
10’
- HS lam viec theo nhom 4 : Quan sat tranh 19 va thao luan cac cau hoi
- Dai dien moi nhom len trinh bay ket qua thao luan Cac nhom khac bosung
3’
-2 HS doc.
Rutkitihnshiem
Trang 3GIAO AN DAY THEO PHlTdNG PHAP BAN TAY NAN BOT
Ldp 3C Mon : Tii nhien & xd hoi
A/Muc tieu:
Sau bai hoc,, HSbiet:
- Ke ten1vai benhve tim mach
-Hieu va bietvebenh thap tim:nguyen nhan,sitnguyhiem doi vdiHS
- Neu 1so"each de phong benh thap tim
-Co y thtfc de phong benh thap tim
B/ Chuan bi:
-Giay kho A3, but da
-Bangphu
-Phieu thao luan
C/Cachoatdong day-hoc:
TL
1
4’ II/ Baicu:
Ve sinhcdquan tuanhoan
+ Trang hoat dong tudn hodn, bo phdn ndo
lam nhiem vu co bop, day man di khapcctthe?
+ Cct the se chet neu bo phdn ndo ngitng lam
viec?
+ Em da lam gibdove tim mach ?
III/Baimdi:
*Hoatdong1 :Gidi thieu bai mdi
*Hoatdong2 :Dtfa ragia thuyetca nhan
a) Tinh huong xuat phat:
GVdifara cau hoi gdimef :
-Ke ten1benhve tim mach em biet?
-Em biet gi ve nguyen nhan va each phong
benhtim mach?
-Ghi ten cac benhve tim cuaHSlen bang
-Tonghop cacy kienHS
b)Be xuatcau hoi
TO nhiing tinh huo’ng ban dau GV hifdng HS
neu each phong benh tim mach sau do de xuat
cau hoi lienquanden bai hoc.
-HStra ldi
1
5
- Benh thap tim, huyet ap cao,xO vffa
dong mach, nhoi mau c0tim
-HS neu y kien ban dau cua minh va ghi vao vd thrfc hanh nhiing hieu biet cua minhva nhrfng cau hoihiphat
-HSneu cau hoi: -i-Cac benh tim mach thifdng gap la benh gi ?
+Nguyen nhan nao gay ra benh tim mach ?
+Cachphong benh nhif the nao ? 6’
*Hoatdong3 : Kiemtragia thuyet.
ChoHSlam viec theo nhom
-GV yeu cau HS quan sat cac hinh trong SGK
6’
-HS quansat& thao luan theoYC
- Nhom tnid ng YC cac ban tap dong
Trang 4va doccac ldi hoi dap cua tdng nhan vat trong
cac hinh Thao luan cac cau hoi sau:
-dIda tuoinao thddng hay bi thap tim?
-Benh thap timnguyhiem nhd the nao?
-Nguyennhangayra benh thap tim la gi?
-GVtheo doi,nhan xet&ket luan:
+Benlitliap timla mot benli vetim maclt ma ti
lutatuoiHSthittingmac.
+ Benh nay de lai di chttng nang ne cho van
tim, cuo'icung gay suy tim.
+Nguyen nhan dan den benh thap tim la do
viem hong, viem a-mi-dan keo dai hoac viem
khtip cap khong dtCdc chita tri kip thtii, diit
diem
*Hoatdong4: Rutrakien thtfc baihoc
-Ke duMc motso"each de phong benh thap tim
-Co y thde de phong benh thap tim
- YCHS quan sat H 4, 5, 6 SGK, chi vao tdng
hinh va noi vdi nhau ve ND & y nghla cua cac
viec lam trong tufnghinh
-GVnhan xet
Ket luan :De phong benh thap tim can
phaUgiQam ccf the khi trtii lanh, an uong day
du chat,giitvesinh cd nhan tot, renluyen than
the hang ngay de khong bi cac benh viem
hong, viem a-mi-dan keo ddi hoac viem khtip
cap
*Hoatdong5:Ddnhgid
Bieu difOng va dong vien nhifng ca nhan va tap
vaiHS &vai bacsi
- Cac nhom lan lifdt thde hien trifdc ldp
T
-QS& thao luan theo nhom doi
-Mot soHStrinh bay KQ
-HSdoc lai
-Tddanh gialln nhau
3’
the
IV/Cungco-Dando:
2’
-Cho 2 HSdoc phan Ban can biet
-Ve nha hoc thuoc phan Ban can biet
- Tich ede phong benh tim mach trong cuoc
songhangngay
-Chuan bi: “Hoat dong bai tiet nddc tieu"
-HSdoc
*Rut kinh nghiem:
Trang 5GIAO AN DAY THEO PHlTdNG PHAP BAN TAY NAN B0T.
LCfP 3B Mon :TUnhien & Xa hoi
HOAT DQNG BAI TIET NlfO'C TIEU
TietlO
A/Muc tieu:
Saubai hoc,HSbiet:
- Ke ten cac bo phancOquanbai tiet nifdc tieu
- Neu chtfcnang cac bo phan do
- Neu vai tro hoat dong bai tiet nifdc tieu doi vdicOthe
B/Chuanbi:
-Cachinh minh hoa/22,23
-Giay kho A3, but da quang
-Bangphu, phanmau
-Mo hinh/tranhvehinh1/22
B/Cachoatdong day-hoc:
TL
1
4’ II/Baicu:
-Ke ten1benhve tim mach em biet?
-Vdingifdi bi benh tim nenva khong nen lam gi?
III/Baimdi:
*Hoatdong1:Gidi thieu bai
*Hoatdong2:Tim hieu cac bo phan cuacOquan
bai tiet nifdc tieu:
Bifdc 1:Difa ra tinhhuong xuat phat
Horn tnfdc Thay da yeucau cac emvenha thifc
hanhuongnhieu nifdc va cam nhancOthe sau khi
uongnhieu nifdc thi se nhif the nao.Mdi mot so ban
len baocao sau khi da thifc hanh.
-GVgoi khoang 10em baocaova hoi ai cocung
cam nhan nhif cac ban
-Vaycdquannao trong cdthe chiing ta thifc hien
nhiemvu do?
-Vay theocac emcdquanbai tiet nifdc tieu cd may
bo phan ?
Bifdc 2:Lamboc lo nhifng hieu biet ban dau cuaHS
-Baygid thay muon cac emvera giay nhhng dieu
em bietvecdquanbai tiet nifdc tieu.Hoat dongnay
chung ta lam viec theo nhom6.Cacnhomcuf nhom
trifdng sau do cac to vien noi nhifng dieu minh biet
vecdquanbai tiet nifdc tieu. Nhomtrifdng tong
hdpy kiencua cac thanh vien bang each vera giay
Bifdc 3:Be xuat cac cau hoiva phifdng an timtoi:
-GVyeu cau cac nhom neu cau hoi cho nhau de
-2 HStra ldi
1
16’
-Sau khiuongnhieu nifdc mot luc thi buon di tieu
-HSgid tay
-Cdquanbai tiet nifdc tieu -HSdif doan cd 3,4,5 bo phan
-HS ve ra giay cac bo phan cua
cdquanbai tiet nifdc tieu
-HScac nhom dan banve vao bangphu,GVphan loaiva phan
Trang 6rich ban vecocungdiem giong xepthanh tring nhom rieng chatvan
-GVneucau hoi de HSde xuat phriring an rim toi,
thi nghiem:
+Theoem lam the nao de chiing ta co the kiem tra
criquan BTNTco5bo phan ?
+Theoem lam the nao de ta bietcriquan BTNTco
2 qua than Ta rim hieud dau ?
Bride 4:Thric hien phriring an rim toi kham pha :
thao luancac cau hoicf bride3 -5bo phan:than trai, than phai, ongdan nridc tieu, bong dai,ong dai
-GVhoi:Than co maybo phan ?
-Chung ta da driric trai nghiem dieu minhvufa rim
hieu bay gid cac em bo sungva hoanchinhlai hinh
ve ban daucua cac em cho dung vdi tranh vechung
ta vufaxem.
Bride 5 :Ket luan, rut ra kien thric
-HShoan thienxong GV yeucau cac nhom dan lai
len bang phu va choblai:Criquanbai tiet nridc tieu
gomhaiqua than, haiongdan nridc tieu, bong dai
va ongdai
*Hoatdong3:Thao luan nhom6vai trova chric
nangcua cac bo phan trongcriquanbai tiet nridc
tieu
-YC HS quan sat hinh,doccac cau hoiva tra lcfi
cua cac ban trong hinh 2/23
-Griiy cac cau hoi mdi:
+ Nridc tieu driric tao thanhddau?
+Trong nridc tieuco chat gi?
+ Nridc tieu driric driaxuongbong dai bang dricfng
nao?
+ Trridc khi thai ra ngoai, nridc tieu driric chriad
dau?
-Ket luan: (SGK)
IV/Cungco" -dan do:
-HSdoc lai bai hoc
-Dan HShoc bai
-Dai dien nhomtrinh bay ket luan
10’
-HSthao luanva traldi
3’
*Iiutkitihnghiem:
Trang 7GIAO AN DAY THEO PHlTdNG PHAP BAN TAY NAN BOT
LCfP3C
Mon ;Trinhien & xa hoi
TIET 40
Bai : THl/C VAT.
A/Muc tieu:HocxongbainayHSco kha nang:
- Neuchide nhifng diem giong nhau va khac nhaucua caycolxungquanh
-Nhan ra sif da dang cua thifc vat trongtif nhien
- Ve va tomau mot so"cay
- KTnang tim kiem va xuf li thong tin: Phan rich, so sanh rim dac diem giong va khac nhau cua cac loaicay
-KTnanghdp tac: lam viec nhom de hoan thanh nhiemvu
B/ Chuanbi:
* GV:Hinh trongSGKtrang 76,77
*HS :SGK,VBT
C/Cachoatdong day-hoc:
TL
1
II/Baicu: On vexa hoi
-GVneucau hoi:
+Noive dieu kien an,cf,ve sinh cua gia dinh em trifdc
kiavahien nay?
+Noive dieu kien sinh hoatcua trifdng em trifdc kia va
hiennay ?
-Nhan xet-ghi diem
III/Baimdi
4’
-2 HStra ldi
-HSlang nghe
1 * Hoatdong1:Gidi thieu bai mdi
* Hoatdong2 :HS quan satva timhieusiigiong nhau
va khac nhaucua caycolxungquanh
Bride 1:Difara tinh huong xuat phat
-GV cho HS lan lifdt ke ten mot so cay xung quanh
trifdng hoac mot so cayma em biet
-Cho HS quan sat cac loai cay co trong hinh trang 76,
77 SGK : neu ten va nhifng diem giong nhau va khac
nhau cua mot so loaicaydo
GVneu : Cac cayrat khac nhau dadang vedac diem
ben ngoai nhif mau sac , hinh dang, kich thifdc nhifng
cac cay co chung ve mat cau tao.Vay cau tao cua cay
gomnhifng bo phan chinh nao ?
Bride 2: Lam boc lo nhifng hieu biet ban dau cua HS
quacac tranh anhvecac loaicay.
17’
-HSke
-HS neu
-HS nghe va suy nghi de chuan
bi timtoi kham pha
-HS lam viec ca nhan thong qua nhifng tranh anh vecac loai cay-ghi lai nhifng hieu biet cua minh
ve hinh dang kich thifdc, cac bo phan cua mot so cayvao vd ghi
Trang 8chep thi nghiem.
-HS lam viec theo nhom 4 :tong hdp cac y kien ca nhan de dat cau hoi theo nhom ve hinh dang kich thifdc , cau tao cua mot so"
loaicay
-Dai dien nhom neu de xuat cau hoi ve hinh dang , kich thifdcva cau tao cua mot so cay
Bifdc 3:De xuat cau hoiva phifdng phap timtoi
-ChoHSlam viec theo nhom4
-GVchot lai cac cau hoi cac nhom :nhom cac cau hoi
phu hdp vdi noi dung bai hoc:
+Xungquanh ta co nhieucayhayitcay?
+Hinh dang,kich thifdccua mdicaynhif the nao ?
+Mdicaydeuco nhbng bo phan nao ?
Bifdc 4:Thifc hien phiftJng antimtoi kham pha
-GV hifdng din , gdi y HS de xuat cac phifdng an tim
toi, kham pha detimcau tra ldi cho cac cau hoid bifdc -Cacnhomquan satva thao luan
cac cau hoid bifdc3
3
Bifdc 5 :Ket luan rut ra kien thifc
-GV cho cac nhom lan lifdt trinh bay ket luan sau khi
quansat,thao luan
-GVnhan xet, chot lai
=> Xung quanh ta co rat nhieu cay Chung co kich
thifdc va hinh dang khac nhau Mdi cay thifdng co re,
than, la, hoa va qua
* Hoatdong3:Lam viec ca nhan
•Muctieu: HSbietve va tomau mot so"cay
•Cc'ich tienhdnh
Bifdc 1 :Lam ca nhan
- GV yeu cau HS lay giay va but chira de ve mot vai
cay ma cac emquan satdifdc
- Lifu y: To mau, ghi chu ten cay va cac bo phan cua
cay trenhinhve
Bifdc 2:Trinhbay
-Tufng ca nhan dan bai cua minh tnfdcldp
-GV mdi mot so"HSlen tif gidi thieu ve bite tranh cua
minh
-Dai dien nhom trinh bay ket luan.
-HS so sanh lai vdi hinh tifdng
ban dau xem thuf suy nghi cua minh codung khong ?
10’
-GVnhan xet
IV/Cungco-dan do
2’
-GoiHSnhac lai noi dung bai hoc
-Vexem lai bai
-Chuan bi baisau:Than cay
-Nhan xet tiet hoc._
'Tiutkinlinghiem
Trang 9GIAO AN DAY THEO PHlTdNG PHAP BAN TAY NAN BOT
LCfP 3C
Mon ;Ttf nhien & xa hoi.
TIET 51
ML:TOM, CUA.
A/Muc tieu:
a)Kien tMc:-Chiva noi drfdc tencac bo phan cdthecua cac con tom, cua drfcfcquansat
b) Ky nans: -Neu va noi ldi ichcua tomva cua
c)Thai do:- Bietyeuthich dong vat
B/Chuanbi:
* GV:-Hinh trongSGKtrang98 -99.
-Caccon tom ,cua
* HS:SGK,vd.
C/Cachoatdong day-hoc:
TL
1
3’ II/ Baicu:Contrung
+ Ke ten mot so" con trung co ich va mot so"con
trung co hai?
+ Neu motso"each diettruf nhrfng con trung co hai?
-GVnhan xet
Ill/ Bai mdi:
* Hoatdong1:Gidi thieu bai
Trong gid trf nhien xa hoi horn nay co cung cac em
se tim hieu 2 loai dong vat so"ng difdi nifdc la tom ,
cuaquabai:Tom ,cua
*Hoatdong 2 :Tim hieu mot so"bo phan ben ngoai
cua tom,cua
Bddc 1:Difa ra tinhhuo"ngxuatphat
GVdifara cau hoi gdimd :
-Ke ten mot so loai tom cua ma em biet?
-Nhan xet ve hinh dang va kich thifdc cua tom va
cua, chung cd giong nhau khong ?
-Ben ngoaicdthe tom,cua cd gi baove?
-2 HStra ldi
-HSlang nghe
1’
16’
-HS ke : tom hum, tom dong,cua
be,cua dong
-HS neu y kien ban dau cua minh
va ghi vao vd thrfc hanh nhrfng hieu biet cua minh va nhung cau hoitrf phat
-HSngheva suy nghl chuan bitim
toi,kham pha
GV neu : Tom, cua cd hinh dang , kich thrfdc khac
nhau nhrfng chung deu khong cd xrfcJng song.Vay bo
phan cua chung la gi ? Tom
khac nhaud nhrfng diem nao ?
Biftfc 2: Lam boc lo nhrfng hieu biet ban dau cua
HSquavat thrfc hoac hinh vetom,cua
Biftfc 3 :De xuatcac cau hoiva phrfng antimtoi:
giong nhau va cua
-Hs lam viec ca nhan thong qua vat thrfc hoac hinh ve ve tom,cua
va ghi lai nhrfng hieu biet cua minh vaovd.
-HS lam viec theo nhom 4: tong
Trang 10hdp cacy kienca nhan de dat cau hoi theo nhom’
-GVcho HSlam viec theo nhom4
-GV chot lai cac cau hoi cua cac nhom :nhom cac
cau hoi phu hdp vdi noi dung bai hoc:
+Hinh dang, kich thifdc cua tom va cua co giong
nhau khong ?
+ Ben ngoai cd the cua nhifng con tom , cua co gi
bao ve ? Ben trong cd the cua chiing co xifdng song
khong ?
+Cua cd bao nhieu chan, chan cua chung cd gi dac
biet?
Bifdc 4:Thifc hien phifdng antimtoi, kham pha.
_GVhifdngdin,gOiy HSde xuatcac phitOng antim
toi, kham pha de timcau tra ldi cho cac cau hoi d
bifdc3
Birtfc 5 :Ketluan, nitra kien thtfc bai hoc
-GV cho cac nhom lan lifdt trinh bay ket luan sau
khiquansat,thao luan
-GVnhan xet, chot lai:
=> Tom, cua cd hinh dang, kich thifdc khac nhifng
chung deu khong cd xifOng song.Cd the chung difOc
bao phu bang mot ldp vo cifng, cd nhieu chan va
chan phan thanh cac dot
Hoatdong3:Thao luanca ldp
• Muctieu: Neudifdc ich ldicua tomva cua
• Cc'ich tien hanh
Bifdc 1: GVchoHSthao luanca ldp
-Cau hoi:
+ Tom,cua songdddu?
+ Neuich ldi cuatom,cua?
+ Gidi thieu ve hoat dong nudi, ddnh bat hay che
bieii tom,cua mb em bietl
-Dai dien cac nhom neu de xuat cau hoi
-Cac nhom quan sat va thao luan cac cau hoid bifdc3.
-Dai dien nhom trinh bay ket luan
11’ *
-HSthao luan
-HStrinh bay
Bifdc 2:Yeucau HSlen trinh bay
- GVnhan xet, chdh lai Tom, cua la nhifng thifc an
cd nhieu chat damcan chocd thecon ngifdi
Cl nifdc ta cd nhieu song, ho va bien la nhifng
moi trifdng thuan tien de nudiva danh bat tom,cua
Hien nay, nghe nudi tom kha phat trien va tom da
trd thanh mot mat hang xuat khau cua nifdc ta
IV/Cungco" -dan do
3’
-HSdoc phan bai hocSGK
-Chuan bi baisau:Cd
-Nhanxetbai hoc