Examination questions of epidemic popular science knowledge contest

Questions and answers about epidemic knowledge 1. Primary school science knowledge test questions

Examination questions of popular science knowledge contest in Chengxi Primary School, Chaling County, Hunan Province

I. Fill in the blanks:

1, known as the "father of hybrid rice" in China is (Yuan Longping).

2. In order to escape from the earth's gravity and enter the orbit, the speed of artificial earth satellite must reach (1 1.2km/s).

After the soda bottle is opened, there will be bubbles in it, because (carbon dioxide) is dissolved in it.

4. Marathon is a long-distance race with a total distance of (42. 195) km.

5. 1 nanometer is equal to (one billionth of a meter) meter.

6. The space shuttle developed by China was named Shenzhou, and the first manned space shuttle was Shenzhou 5.

7. Scientists from China first arrived at the North Pole in (195 1). The site of the Arctic scientific research station was determined on July 28th, (1999), and the Yellow River Station was located in New Olsen.

8. The largest desert in the world is the Sahara desert in Africa.

9. In daily life, the voltage of the lighting circuit is (220) volts.

10, the smallest bone in human body is (stapes), which is 0.25-0.43cm long and weighs only 50 mg (2-3mg? ), located in the middle ear tympanum).

1 1. According to Chinese regulations, children under the age of (12 weeks) are not allowed to ride bicycles on the road.

12, the largest marine life is (blue whale).

13, the most abundant metal element in the earth's crust is (aluminum).

14, light rain means that the rainfall is less than (10) mm within 24 hours.

15, the Nobel Prize * * * has (5+2) awards, and Chinese American Li Zhengdao won the Nobel Prize in Physics.

16, China refers to "the father of missiles" (Qian Xuesen).

17, the hardest substance in nature is (diamond).

18, June 5th in World Environment Day.

19, the inventor of the electric light is (Edison).

20. Tide is the fluctuation movement of seawater under the gravity of (the sun) and (the moon), which is called tide during the day.

(Tide), called (Sunseeker) at night.

2 1, the speed of sound propagation in steel can reach (5000) meters per second.

Second, choose:

1, the rise and fall of sharks mainly depends on (b)

Swim bladder and liver

2, the biological clock in the human body is located in (D)

A brain b cerebellum c inferior brain d hypothalamus

3, the most common natural phenomenon on the earth is (a)

A rain b earthquake c volcanic eruption d lightning

You can sleep standing up.

Ama b Niu c mutton d chicken

Generally, only (a) sex mosquitoes bite people.

A woman and a man

6. A hive is made up of many "small rooms".

Triangle b quadrilateral c pentagon d hexagon

7, put the thermometer in front of the rotating electric fan, the liquid column of the thermometer will (c).

A goes up, B goes down, and C remains the same.

8. An ancient coin has a square hole in the middle. If this ancient coin is heated in a fire, the area of the hole will be

(b) in b)2005.

A contracts, b expands, and c remains unchanged.

9. Rabbits only sleep for one day.

A 2 minutes b 2 hours c 4 hours d 6 hours

10, the hydrogen balloon will rise in the air, and in the process of rising, the volume of the hydrogen balloon will gradually (a).

A expands, b contracts, and c remains the same.

1 1. Some items have two different names, such as "asphalt" and "asphalt" to represent the same item.

So which two names below refer to the same item?

A dry ice b methane c engine d solid carbon dioxide

Engine f ethanol g methanol h alcohol

Formalin j biogas

(dry ice) and (solid carbon dioxide); (motor) and (engine); (methane) and (biogas);

(ethanol) and (alcohol); (formalin) and (formaldehyde).

2. Popular science problems of primary school students

Examination questions of popular science knowledge contest-.

A1:100000, b1:100000, c1:100000. 2. (1) It is a kind of marine energy power generation, but it is the one with the earliest development, the largest scale and the most mature technology in the utilization of marine energy. A tidal power generation b wave power generation c tidal power generation 3. When an object leaves the earth, it is bound to be accelerated by the force in the opposite direction (that is, upward) to the gravity of the earth. When it reaches a certain speed, it will stop applying force, and it can move forward and leave the earth with inertia.

When an object flies on the surface of the earth (that is, the distance is radius of the earth), its speed is (A), which is called escape speed or escape speed. a 1 1.2km/s B 12.2/s C 2 1.2km/s 4。 In early 2004, two Mars probes of NASA landed successfully. Which of the following did they not include? A spirit, b opportunity, c sailor, 5. The main functions of grooves on automobile tires are: (A) A to increase the friction with the ground, B to remove rain and muddy water, C to increase the cushion of the car body, 6. In a constant temperature room, you stand barefoot on the tiles, feeling colder than standing on cotton. It is because: (B) A cotton has higher temperature, B ceramic tile conducts heat faster, and C body's illusion. 7. If a person weighs himself at the equator once and then goes to the North Pole under the same physical conditions, then: (B) A equator is heavy, the North Pole is light, B equator is light, and the North Pole is as heavy as C.8. The hydrogen balloon filled with gas was released. It will: (C) A rises until B rises to a certain height, then stops rising until C rises and finally explodes. 9. Incandescent lamps will turn black after being used for a long time because: (C) A glass is aging, B glass is discolored by heat, and C tungsten filament evaporates 10. Generally speaking, when the sound is below (a), the environment is quiet.

A 50 db b60 db c70 db11,the top ten environmental pollution in the world are: (B) A garbage pollution b air pollution c land desert pollution 12, urban noise pollution mainly comes from (A) A traffic and industrial production b noisy people c business activities 13, which vitamins are beneficial to children? (B) A dimension A dimension B dimension D dimension E 14. Which of the following methods to identify the authenticity of mineral water is wrong? It is colorless and transparent in the sun. B.its refractive index is higher than tap water. C its salinity is higher than tap water 15. Animals belonging to the national first-class protected animals are: (d) A. Swan B. Giant salamander C. Peacock D. Red-crowned crane 16. When the cell grows, its cell wall presents certain (C) A. reversibility B. (A) A.21%b.31%c.41%18. The "queen bee" and "worker bee" among bees are: (b) A. Female bee, male bee B. Female bee and female bee C. (b) A. Game B. War C. Bet 20. The reasons why Chinese medicine cannot be decocted with boiling water are as follows: (b) A. Boiling water will kill the effective cells of plant Chinese medicine B. Boiling water will coagulate starch and protein C. Boiling water cannot be mixed with Chinese medicine 2 1. How many days can red blood cells in human blood survive? A. 80 days B. 120 days C. 150 days 22. What should I drink if I have a fever? (c) A. Fruit juice B. Boiled water C. Strong tea 23. The countries that successfully cloned Dolly the mammal for the first time were: (A) A Britain B America C Germany 24. The basic units of an organism are: (d) A. Organs B. Molecules C. Tissues D. Cells 25. The pathogens of the SARS epidemic last year were: (c) A. Bacteria B. Fungi C. Virus 26. The human genome project is called the biological Apollo project. Among them, China participated in determining: (d) A.50% B.20% C.10% D.1%27. Yuan Longping, a famous scientist in China, is called: (a) Father of hybrid rice B. Father of China rice C. Father of Asian rice 28. The main hematopoietic organs of human beings are: (b) A. Heart B. Bone marrow C. Spinal cord D. Brain 29. The main reasons why ultraviolet rays can kill bacteria are: (a) A. Destroy the nucleic acid of bacteria B. Destroy the sugar of bacteria C. Destroy the lipid of bacteria 30. The father's blood type is A and the mother's blood type is AB, so the blood type of the child born can't be? (C) A. A type B. B type C. O type D. AB type 3 1. What is the theme of the 2008 Beijing Olympic Games? A peace b green c development. 32. What does the five-ring flag of the Olympic Games symbolize? (C) A All corners of the country, B, Good harvests, C, Friendship and unity of athletes from five continents. How long is the marathon? (B) A 35. 129 km B 42. 129 km C 4 1. 129 km 34. The symbol of the Red Cross comes from (C) A cross B American flag C Swiss flag 35. Where can't I take pictures of my baby with a flash to protect my baby? (a) C nerve root of retina B nervous system 36. Qinshan Nuclear Power Station is located in Haiyan County (c) A, Jiangsu B, Anhui C, Zhejiang 37, China Province. The first man to set foot on the moon was (c) A. Gagarin B. David? Brown c Armstrong d Michael? Anderson is 38 years old. What clothes are cooler to wear in summer? (b) A black B white C brown 39. When Mercedes suddenly braked, the pressure on the ground before and after was () A. The front wheels were bigger B. The rear wheels were bigger C. The front and rear wheels were as big as 40. The purpose of swinging is to prolong the swinging time of the swing as much as possible. The method that can be taken is (b) A. When the swing swings to the highest position, people quickly squat on the board and swing at the same time. People quickly stood up on the board. B. When the swing swings to the highest position, people quickly stand up on the board. When the swing swings to the lowest position, people quickly squat down. C. try to stay the same. 4 1, 7 international units, which of the following (c) A. Candeira B. Ampere C. Volt 42, which of the following famous Chinese-American physicists has never won the Nobel Prize in Physics D. A. Yang Zhenning B. Li Zhengdao C. Ding Zhaozhong D. Wu Jianxiong 43, a river with the same soil on both sides, the river flows from south to north, if the east bank is washed by the river, A northern hemisphere b southern hemisphere c can't judge 44. Where is the world's first computer ENIAC?

3. Pupils' popular science test questions

Examination questions of popular science knowledge contest-.

4. The contest of popular science knowledge for primary school students took six years, with 20 answers, ladies and gentlemen.

Examination questions of sixth grade popular science knowledge contest

I. Fill in the blanks (50 points)

1. In daily life, the voltage of the lighting circuit is (220) volts.

2. Qian Xuesen, the "father of missiles" in China, died in 2009 at the age of 98.

3. 1 nanometer is equal to (one billionth of a meter) meter.

4. Quxi No.3 Primary School held (1 1) Youth Science and Technology Innovation Competition.

The abbreviation of computer central processing unit is (CPU).

6. The most poisonous spider in the world is called tarantula.

The first telescope was invented by Galileo.

8. The first stamp in the world appeared in (Britain).

9. The organ with the highest percentage of water content in human body is (eyeball).

10, the first inert gas found in the air is (neon).

1 1. The image of "dove of peace" was created by Picasso.

12, the longest mountain range in the world is the Andes.

13. Pangolin preys with its tongue.

14, the order of traffic lights at intersections from left to right is (red, yellow and green).

15. Mohe is the northernmost city in China.

16. The author of Compendium of Materia Medica is Li Shizhen.

17, the hardest part of the human body is (teeth).

18, the ship issued six piccolo, which means (distress).

19, the cleanest energy is (solar energy).

2 1, The Art of War was written by (Sun Wu).

22, the main component of natural gas is (methane)

The current president of the International Olympic Committee is (Rogge).

24. People see the continuous pictures of movies because of the phenomenon of (visual persistence).

25. The opening time of China 20 10 Shanghai World Expo is (20 1 May1).

Second, the judgment (10)

1, China's first Olympic champion was Liu Xiang. (Xu Haifeng)

2, eat more soy sauce skin will turn black. (no)

3. Alcohol can help remove ballpoint pen oil from clothes. (yes)

The slogan of the Olympic Games is "Higher, Faster and Stronger". (Yes)

Eating raw radish is good for health. (Yes)

Iii. Selection (10 score)

1, the biological clock in the human body is located at (D)

A brain b cerebellum c inferior brain d hypothalamus

2, the most common natural phenomenon on the earth is (a)

A rain b earthquake c volcanic eruption d lightning

Honeycomb is made up of many "small rooms".

Triangle b quadrilateral c pentagon d hexagon

4. Who invented anesthesia? (A) Fifty percent.

A Hua tuo b Edison c Qian Xuesen.

5. Rabbits only sleep for one day.

A 2 minutes B 2 hours C 4 hours D 6 hours

Four. Question and answer (40 points)

1. What are the three famous wines in China?

Tea, cocoa and coffee. (3 points)

2. Why are there no live hairtail for sale in the market? (5 points)

Hairtail died immediately after being caught because of the great change of air pressure.

3. What are the five most precious gems in the world? (5 points)

A: (opal, emerald, diamond, sapphire, ruby)

4. Why don't rabbits need to drink water? (5 points)

Answer: (because there is a lot of water in the staple food vegetables of rabbits, which is enough for the body. If there is more water in the intestine, it will cause gastroenteritis. But rabbits can drink water when they are short of water.

5. Why can't you turn off the lights and watch TV? (6 points)

A: (The screen and image of the TV are relatively small. In the dark, the vision should be highly concentrated and expanded, and it is particularly sensitive to the strong reflection of light on the TV screen, which will make the eyes suffer from * * * and reduce their vision. )

6. With the coming of winter, gas poisoning is easy to occur when heating with honeycomb coal. Do you know what is the main ingredient that causes gas poisoning? (8 points)

A: How is (carbon monoxide) poisoning people? The human body transports oxygen to various tissues and organs through hemoglobin in the blood. Inhalation of colorless and odorless carbon monoxide will enter human blood. The ability of carbon monoxide to bind hemoglobin is 250 times stronger than that of oxygen. It will quickly seize the position where oxygen combines with hemoglobin in the blood, causing hypoxia in the brain and body, which can cause death in a short time. )

7. What scientific and technological activities have been held in our school? Please write down the name of the activity. (8 points)

A: Science and technology newspaper clipping contest, science fiction painting contest, jigsaw puzzle contest, science and technology blackboard newspaper contest, science and technology small invention contest, science and technology small paper contest, science and technology practice activity, small invention lecture, etc.

5. Examination questions and answers of earthquake popular science knowledge contest

Knowledge of laws and regulations on earthquake prevention and disaster reduction 1. The Law of People's Republic of China (PRC) on Earthquake Prevention and Disaster Mitigation was adopted at the 29th meeting of the Eighth NPC Standing Committee on February 29th and came into force on March 29th.

2. The Regulations on Earthquake Prevention and Disaster Reduction in Shandong Province was adopted and promulgated at the meeting of the Standing Committee of the Ninth People's Congress of Shandong Province on 1999125 October. 3. The revised Administrative Measures for Seismic Safety Evaluation in Shandong Province was issued on June 5438+1 October 2 1 day, and implemented on March 20051day.

4 earthquake prevention and disaster reduction work to implement the policy of combining prevention with relief. 5 earthquake prevention and disaster reduction work by leaders at all levels.

6. The Regulations on the Investigation and Management of Seismic Active Faults in Shandong Province was adopted at the 6th executive meeting of Shandong Province on May 26th, 2003 and came into force on August 6th, 2003. 7. New construction, expansion and reconstruction projects, which cause harm to earthquake monitoring facilities or earthquake observation environment, fail to obtain prior consent according to law and take corresponding measures. If the circumstances are serious, a fine of not less than 5,000 yuan but not more than 100,000 yuan may be imposed.

8. The people's governments at or above the county level shall incorporate earthquake prevention and disaster reduction into the local national economic and social development plan, and gradually increase the funds needed for earthquake prevention and disaster reduction. 9. Seismic safety evaluation must be included in the capital construction management procedures, and carried out in the feasibility study stage or planning and site selection stage of the construction project.

10. The design unit must carry out seismic design according to the seismic fortification requirements and seismic design specifications; The construction unit must carry out the construction according to the seismic design. 1 1. Earthquake disaster prevention measures, including engineering prevention and non-engineering prevention.

12. Earthquake monitoring shall be based on the principle of combining professional network (station) monitoring with group monitoring and prevention. 13. In urban planning, the local seismic tectonic environment should be fully considered, and active faults must be avoided in site selection. 14. The seismic safety evaluation results must be reviewed and approved by the provincial or national seismic safety evaluation committee, and the seismic fortification requirements shall be reviewed and approved by the corresponding seismic administrative department according to the project management authority as the basis for seismic fortification.

15. Education administrative departments at all levels should strengthen the knowledge education of earthquake prevention and disaster reduction in primary and secondary schools and carry out training on earthquake prevention and shock absorption. 16. Major construction projects such as roads, railways (underground railways), oil (steam) pipelines, communication optical (electric) cables and long-distance water (transmission) pipelines shall take corresponding defensive measures in accordance with relevant state regulations.

17. After the destructive earthquake, the provincial administrative department of earthquake shall, jointly with the relevant departments of construction and civil affairs, investigate and evaluate the earthquake disaster losses. 18. Major construction projects and construction projects that may have serious secondary disasters must be evaluated for seismic safety.

19. When the relevant departments of the people's government at or above the county level examine and approve the construction project, if there is no seismic fortification requirement in the feasibility study report or project application report, it shall not be approved. 20. People's governments at all levels and their relevant departments should strengthen publicity and education on earthquake prevention and disaster reduction, enhance the awareness of earthquake prevention and disaster reduction in the whole society, and improve citizens' self-help and mutual rescue ability in earthquake disasters.

2 1. Buildings and structures without seismic fortification measures shall be appraised for seismic performance according to law and necessary seismic reinforcement measures shall be taken. 22. People's governments at all levels and their relevant departments shall guide farmers to build houses with seismic performance and actively promote the design of rural seismic houses suitable for different regions.

23. The degree of damage to the ground and buildings by earthquakes is called intensity. 24. China divides the earthquake intensity into 12 degrees.

25. Earthquake precursors are divided into macro precursors and micro precursors. 26. The State protects earthquake monitoring facilities and adverse earthquake observation environment according to law, and no unit or individual may threaten them.

27. If the newly built, expanded or rebuilt construction project does cause damage to the earthquake monitoring facilities and the earthquake observation environment, it can be explained afterwards. (*) 28. No unit or individual may endanger or destroy earthquake monitoring facilities and earthquake observation environment, or interfere with or hinder the work of earthquake monitoring network (station).

29. All units and individuals have the obligation to participate in earthquake prevention and disaster reduction activities according to law, and have the right to stop and report acts that hinder and undermine earthquake prevention and disaster reduction work. 30. The results of seismic safety evaluation can be directly used as the basis for seismic fortification.

(*) 3 1. New construction, reconstruction and construction projects must meet the seismic fortification requirements stipulated by the state, and projects that do not meet the seismic fortification requirements shall not be started. 32. Existing buildings and pits that have not taken seismic fortification measures shall be appraised for seismic performance according to law, and necessary seismic reinforcement measures shall be taken.

33. The State implements a unified system for issuing earthquake predictions. 34. The newly-built super high-rise buildings and structures with a height of 150m must be equipped with strong earthquake observation facilities.

35. The three major seismic belts in the world are the Pacific Rim seismic belt, the Eurasian seismic belt and the Hailing seismic belt. 36. New nuclear power plants and large reservoirs that may induce earthquakes must be equipped with earthquake monitoring networks.

37. The "predicted" earthquake magnitude is very accurate, and the rumor that the time and place of the earthquake are very specific is a rumor. 38. It is easy to form a triangular space for shock absorption.

39. To prevent earthquakes, you should choose small rooms such as kitchen, bathroom and storage room. 40. Rescuing the injured after the earthquake should be far away.

(*) 4 1. The place where an earthquake occurs inside the earth is called the epicenter. (*) 42. An earthquake of magnitude 8.5 occurred in Tancheng, our province.

43. The construction project of residential quarters with a building area of 654.38+10,000 square meters must be evaluated for seismic safety. 44. 1 100 million cubic meters of dam construction projects must be evaluated for seismic safety.

45. Earthquakes can easily lead to secondary disasters such as fire, flood, explosion and leakage of toxic and harmful substances. 46. The people of China, the Chinese People's Armed Police Force and the militia should carry out the tasks of earthquake prevention and disaster reduction entrusted by the state.

47. Earthquake prevention and disaster reduction should adhere to the principle of combining prevention with relief. 48. If the construction project fails to carry out seismic safety evaluation according to law, the competent administrative department for earthquake shall impose a fine of 1- 1 ten thousand yuan.

49. Major construction projects and construction projects where serious natural disasters may occur must be evaluated for seismic safety in the feasibility study stage in accordance with the relevant provisions of the state and the province, and the seismic fortification requirements shall be determined according to the evaluation results. 50. In the post-earthquake disaster relief, all units and individuals must abide by the law.

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