1. cac chat o trang thai nao co the nhiem dien?

2.hien tuong nhiem dien do co sat co the xay ra o nhiet do nao?

3. giai thich vi sao khi co sat hai vat cung hoa ve dien ta thu lai duoc 2 vat nhiem dien trai giong?

4. vi sao ve mua dong quan ao dang mac co the dinh vao da nguoi mac nhieu , con toc neu duoc chai lai dung dung nen?

5. Giua cac vat nhiem dien trai giong thuong xay ra cac hien tuong phong dien lam xuat hien tia lua dien hay giai thich hien tuong sam set?

6. giai thich vi sao kim loai la vat dan dien tot?

7. tai sao nguoi ta thuong lam thien loi bang sat bang dong ma khong lam bang go?

1. Dien vao cho cham cho thich hop : mon lich su va dia ly 

    Nha Tran da dat them cac chuc :

 a, .............. de trong coi viec dap de va bao ve de dieu 

b, ,...............cham lo , khuyen khich nong dan san xuat 

c, .................tuyen mo nguoi di khan hoang

  2. Neu dac diem song o Tay Nguyen va ich loi cua no ?

3. Nha tran da co nhung viec lam gi de cung co , xay dung dat nuoc ?

4. y chi quyet tam tieu diet quan xam luoc Mong Nguyen cua quan dan nha Tran duoc the  hien nhu the nao ?

5. Nhung su viec nao cho thay duoi thou Ly , dao Phat rat thinh dat ?    

Hay giai thich hien tuong nhat thuc? Vung nao tren Trai Dat co hien tuong nhat thuc toan phan, mot phan?

Trong 15 giay, mot la thep thuc hien duoc 4500 dao dong. Hoi dao dong cua la thep co phat ra am thanh hay khong? Tai sao con nguoi co the cam nhan duoc am thanh do la thep do phat ra khong? Tai sao?

Mot cay cao 3,6m moc o bo ao. Bo ao cao hon mat nuoc 0,2m. Hoi anh cua ngon cay cach mat nuoc bao nhieu?(xem mat nuoc la guong phang)

Vat I trong 2 phut thuc hien duoc 3000 dao dong. Vat II trong 1,5 phut thuc hien duoc 2700 dao dong.

a)Tinh tan so dao dong cua moi vat

b) Vat nao phat ra am cao hon? Vi sao?

c) Tinh dao dong cua moi vat trong 2 phut 25 giay

Trac nghiem hoc ki 2 de cuong dia ly 7

Cau 1: Quoc gia nao co dien tich hep ngang nhat o Trung va Nam My?

Cau 2: Day nui nao cao, do so nhat Nam My ?

Cau 3: Dong bang nao rong lon nhat Nam My?

Cau 4: Kieu moi truong chiem dien tich lon nhat o Nam My la:

Cau 5: Nguoi goc o Nam My la:

Cau 6: Trung va Nam My dan dau ve su phat trien nao?

Cau 7: Van nan lon nhat ve do thi o Nam My la gi?

Cau 8: Nguyen nhan nao lam cho nen nong nghiep Trung va Nam My cham phat trien?

Cau 9: Giai phap huu hieu de giai quyet van de ruong dat o Nam My la gi?

Cau 10: Nen nong nghiep cua cac nuoc Trung va Nam My mang tinh chat gi?

Cau 11: Nghanh cong nghiep nao co dieu kien phat trien nhat o Trung va Nam My?

Cau 12: Tai sao suon Tay An det ven bien lai kho han hon suon dong?

Cau 13: O chau Nam cuc, so thang co nhiet do tren 0 do C la bao nhieu?

Cau 14: So quoc gia hien thoi o chau Nam cuc la bao nhieu?

Cau 15: Chau Dai Duong nam giua 2 dai duong nao?

Cau 16: Xet ve dien tich, chau Dai Duong xep thu may the gioi?

Cau 17: Nguyen nhan co ban de khi hau chau Dai Duong on hoa la gi?

Cau 18: Loai dong vat nao dien hinh o chau Dai Duong?

Cau 19: Linh vuc kinh te nao phat trien manh nhat o chau Dai duong?

Cau 20: Nganh kinh te nao moi phat trien kha manh o chau Dai Duong?

Cau 21: Nhung nganh cong nghiep phat trien manh o chau Dai Duong la gi?

Cau 22: Chau Au ngan cach voi Chau A boi day nui nao?

Cau 23: Cac song do nuoc vao Bac Bang Duong co dac diem noi bat gi?

Cau 24: Moi truong nao co luong mua lon nhat chau Au?

Cau 25: Tai sao tham thuc vat chau Au lai co su thay doi tu tay sang dong?

Cau 26: Dan cu chau Au chu yeu thuoc chung toc nao?

Cau 27: Van de dang quan tam ve dan cu o chau Au la gi?

Cau 28: Loai nong san nao chiem ti trong lon o chau Au?

Cau 29: Cong nghiep chau Au co dac diem gi noi bat?

Cau 30: Loai hinh dich vu phat trien nhat chau Au la gi?

Moi nguoi lam on giup em voi co sap kiem tra de cuong roi a >.<