PowerPoint Presentation GIAO AN THAO GlANG ? Linh vuc phat trien nhan thuc Noi dung giao due Kham pha khoa hoe Thi nghiem Trung ehim trung noi (Quy trinh 5E) Lua tudi tre 5 6 tudi Thai gian 25 30 phut[.]
Trang 1GIAO AN THAO GlANG
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Linh vuc phat trien nhan thuc
Noi dung giao due Kham pha khoa hoe - Thi nghiem: Trung ehim trung noi (Quy trinh 5E)
Lua tudi: tre 5-6 tudi Thai gian: 25-30 phut
?
Nguai thuc hien: Ma Plnh Hieu - Pho hieu tru’dng
Muc dfch - Yeu
1 Kien thuc
- Day tre co hilu
bidt vd dac dilm,
tac dung va mot sd
tinh chit cua mudi:
Mudi co mau tring,
duoc liy tu nuoc
biln, dung lam gia
vi dl niu va an cung
mot sd mon an hoac
dung dl sat khuin
xuc mieng, rua vdt
thuong^
- Tre giai thich
duoc:
+ Trung chim
xudng duoi nuoc do
trung nang hon
nuoc gidng
+Trung noi len
tren: do trung nhe
hon nuoc muoi
*TCTV: Mudi,
trung chim cut, cai
thia
2 Ky nang
- Van dong tho:
1 D6 dung cua thay:
- Thiet bi giang day:
May chidu
co hinh anh vd mudi, tac dung va quy trinh lam mudi
- Trang phuc:
Thiy va tre gon gang
- Nguyen lieu, dung cu:
+ Nguyen lieu:
mudi (lo co gin ki hieu), chai nuoc gidng
Hoat dong 1 On dinh to chwc, gay hwng thu (Gan ket)
r a) Boi canh.
Vao mot budi sang dep trai co Chim cut dua nhung qua trung cua minh di choi, co Chim cut dang say sua ddm trung trong d cua minh khong may lam roi
1 qua trung xudng 1 hdc nuoc, co loay hoay mai
ma ching liy duoc trung len Co cach nao giup co Chim cut liy trung len ma trung khong bi vo khong nhi ?
r r r b) Gan ket boi canh vai bai hoc:
Thiy cung thao luan vdi tre vd bdi canh
- Cau chuyen kl vd ai?
- Chim me da gap vin dd gi? d dau?
- Lam thd nao dl liy qua trung len ma khong bi vo?
Ngay hom nay thiy va cac con cung kham pha mot giai phap dl giup co Chim cut nhe
Hoat dong 2 Phtfong phap, hinh thu*c to chwc 2.1 Kham pha, giai thich
r
a Kham pha 1: Muoi la gi
- Cho tre quan sat doan lo gia vi (lo mudi) va doan do la gi?
- Con co bidt day la gi? Mudi duoc liy tu dau?
- Tai sao con bidt no la mudi?
- Sau do cho tre ndm 1 hat va noi kdt qua
- Ban nao bidt mudi duoc dung dl lam gi?
Trang 2Bung be
- Van dong tinh:
Van nip, rot nuoc,
khuiy tan mudi, tha
trung vao cdc
r
- Ky nang song:
+ Ky nang tu phuc
vu ban than
+ Ky nang dat cau
hoi “Tai sao?”,
“Lam the nao?”
+ Ky nang giai
quydt vin di
+ Ky nang lam viec
nhom
3 Thai do
- Ling nghe va
lam theo su huong
dan cua giao vien
- Vui ve tham gia
tiet hoc
r
4 Cac thank to
- Engagement
(Gan ket) + Day
tre co hidu bidt vi
dac didm, tac dung,
mot sd tinh chit cua
mudi
Tre giai thich duoc:
+ Trung chim
xudng duoi nuoc do
trung nang hon
nuoc giing
+Trung noi len
tren: do trung nhe
hon nuoc muoi
(chai nuoc 4 chai, trung chim cut (moi to 3 qua)
2 D6 dung cua tre:
cho 1 nhom + Nguyen lieu:
mudi (lo
c o gin ki hieu), chai nuoc gieng (1 chai), trung chim cut (3 qua) + Dung cu: Khay dung, cdc nhua (2 chiic), khan mat (1 cai), thia (1 cai)
=> Giai thich: Mudi co mau tring, duoc liy tu nuoc bidn, dung lam gia vi dd niu va an cung mot
sd mon an hoac dung dd sat khuin xuc mieng, rua vet thuong _ (Cho tre xem hinh anh)
b Kham pha 2: Kham pha vat lieu dung cu
- Thiy cho tre kidm tra vat lieu dung cu
- Thiy hoi tre cong dung va cach su dung
Mudi: 1 hop Co ki hieu tren chai
Trung chim cut: 3 qua
Thia Chai nuoc : 2 chai Khan lau
c Kham pha 3: Kham pha quy trinh lam thi nghiem:
Thiy cho tre ve 3 to cung thuc hien
- Buoc 1: Rot nuoc vao cdc 1, cdc 2 ddn vach
da danh diu
- Buoc 2: Tha qua trung thu nhit vao cdc nuoc
sd 1 (Quan sat vi tri qua trung)
- Buoc 3: Cho 3 thia mudi vao cdc 2, dung thia
va khuiy diu (Cho tre doan mudi se nhu the nao?)
- Buoc 4: Con hay doan xem ndu thiy tha qua trung vao cdc sd 2 co mudi se co hien tuong gi xay ra?
- Thiy cho tre du doan buoc 4
- So sanh vi tri qua trung b ca 2 cdc
- Cho tre giai thich + Trung b cdc sd 1 chim vi trung nang hon nuoc gidng
+ Trung b coc 2 noi: Vi trung nhe hon nuoc mudi
Trang 3- Explore (Khao
sat): Cdc, thia,
mudi, khay, dudng
- Explain (Giai
thich): Quy trinh
thuc hien thi
nghiem, ky thuat
khuiy tan mudi
trong nudc
- Elaborate (Ap
dung): Du doan ket
qua, tudng tugng
xem qua trung nhu
the nao?
- Evaluate (Danh
g ia): Tre hoc sd
dem, so sanh, tren
dudi
5 Ket qua
MOi nhOm thuc
hien yeu ciu sau:
- Lam dung quy
trinh thi nghiem
- Lam qua trung
nOi len mat nudc
- Tim them duoc
chit khac mudi co
thi lam nOi qua
trung
= > Giai thich: Thay chot lai:
+ Trung d coc so 1 chim: Vi trung nang hon nudc giing
+ Trung d coc 2 noi: Vi trung nhe hon nudc muoi
2.2 Md rong, cung co
r 9
Cho tre choi tro choi “Um ba la” de xem khi cho
trung ga vao cdc co nudc mudi va cdc nudc loc thi se co diiu gi siy ra?
Thiy cho tre quan sat va danh gia kit qua
* Cung co:
- Cho tre nhic lai vi dac diim, tac dung va mot
sd tinh chit cua mudi
- Giai thich:
+ Trung chim xudng dudi nudc do trung nang hon nudc gieng
+ Trung noi len tren do trung nhe hon nudc mudi
Hoat dong 3 Tro choi van dong: Ai nhanh hun
Thiy phO biin luat choi va cach choi Luat choi: Sau mot ban nhac ban doi nao van chuyen duoc nhieu trung hon la doi chien thang Cach choi Chia ldp thanh 3 doi, moi doi choi xep thanh mot hang Cac thanh vien phdi hop cung nhau van chuyin trung vi tO Lin luot tung ban dung thia van chuyin trung tu vach chuin din vach dich tO cua doi minh
Cho tre choi
3 Ket thuc
- Thiy cho tre thu don dd dung
- Thay khen ngoi tre dong vien, khuyen khich tre