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
?
Nguai thuc hien: Ma Plnh Hieu - Pho hieu tru’dng
Bung 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.
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
- 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 gia): 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
TO CHUYEN MON
NGGOT SOAN VA THUC HIEN