Đề thi Vòng chung kết quốc gia khối 6 năm học 2020 – 2021

Đề thi Vòng chung kết quốc gia khối 6 năm học 2020 – 2021

6th Grade

20 Qs

quiz-placeholder

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Đề thi Vòng chung kết quốc gia khối 6 năm học 2020 – 2021

Đề thi Vòng chung kết quốc gia khối 6 năm học 2020 – 2021

Assessment

Quiz

Science

6th Grade

Hard

Created by

Phạm TH&THCS)

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

  Which among the following waves is used for communication by artificial satellites?

Waves: Sóng; Communication: Liên lạc; Artificial satellites: Vệ tinh nhân tạo.

Radio waves

Sóngradio

Frequency of 101 series

Tầnsố101

A. M.

SóngA.M.

F. M.

SóngF.M

Microwaves

Sóng cực ngắn

2.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

  Which among the following types of coal produces most heat per unit?

Types of coal: Các loại than; Produces: Tạo ra; Heat: Nhiệt; Unit: Đơn vị than.

Pit

Thanmỏ

Coal

Thanđá

Granite

Đáhoacương

Lignite

Thannâu

Anthracite

ThanAnthracite

3.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Coolidge tube is used to produce:

Coolidge tube: Ống Coolidge; Produce: Tạo ra.

Gamma rays

TiaGamma

Microwaves

Sóngcựcngắn

UV rays

TiaUV

X-rays

Tia X

Radio waves

Sóngradio

4.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

1.          When a bottle of scent is kept open in a corner of a room, its odour is felt in all parts of the room. This is due to the phenomenon of:

A bottle of scent: Lọ nước hoa; Odour: Mùi hương; Phenomenon: Hiện tượng.

Condensation

Sựngưng tụ

Sublimation

Sựthănghoa

Diffusion

Sựkhuếch tán

Vaporization

Sựhóa hơi

Evaporation

Sựbayhơi

5.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Clear nights are colder than cloudy nights because of:

Clear nights: Đêm trời trong; Cloudy night: Đêm trời nhiều mây.

Radiation

Sựbứcxạ

Insulation

Sựcách nhiệt

Condensation

Sựngưng tụ

Conduction

Sựtruyềnnhiệt

Vaporization

Sựhóa hơi

6.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

The cross section of a stem of a tree has one hundred rings. What is the age of the tree?

Cross section: Mặt cắt ngang; Stem of tree: Thân cây; Rings: Vòng gỗ; Age: Tuổi.

50 months

50 thángtuổi

100 months

100 tháng tuổi

10 years

10 năm tuổi

50 years

50năm tuổi

100 years

100năm tuổi

7.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

    Onion is a modified form of:

Onion: Củ hành tây; Modified form: Dạng biến thể.

Stem

Thân

Leaf

Root

Rễ

Seed

Hạt

None of the above

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