Elementary school science science knowledge test questions

1. The United Nations has set September 16th of each year as World What Day?

World Water Conservation Day B. World Environment Day C. World Meteorological Day D. International Day for the Ozone Layer

2. "Smoking is Harmful to Your Health" World No Tobacco Day is celebrated every year on:

A. April 7th B. April 22nd C. May 31st

3. A No.1 battery can make A square meter of land forever lost the use of value, used batteries are hazardous waste, it is recycled

A. placed in the unavailable garbage together B. placed in the reusable garbage together C. special recycling

4, we often say that noise pollution refers to

A, 90dB or more B, 80dB or more C, 50dB or more

5, People's daily commonly known as "white pollution" is a solid waste, it refers to

A, waste paper B, waste plastic C, waste batteries

6, the so-called "black pollution" refers to

A, plastic bags, foam B, cinder blocks C, discarded car tires D, waste batteries

7, the choice of phosphorus-free laundry detergent is

A. to protect clothing B. to prevent pollution C. to protect hands

8, known as China's "porcelain capital" is which city?

A, Yixing B, Jingdezhen C, Zibo

9, China's largest island is: A, Taiwan Island B, Hainan Island

10, samba which country's people's favorite dance is:

A, the United States, B Brazil, C, China, D, Cuba

11, the province with the largest number of ethnic minorities is:

A, Ningxia B, Shandong C, Yunnan D, Cuba

11, the province with the largest number of ethnic minorities is:

A, Ningxia B, Shandong C, Yunnan D, China , Shandong C, Yunnan D, Henan

12, every year nine years Qiantang River tide waves, attracting countless visitors to watch, Qiantang River in which province in China?

A, Shandong Province, B, Jiangsu Province, C, Zhejiang Province, D, Fujian Province

13, every year the Mongolian people have to wear festive dress to participate in the grand mass gatherings are

A, wrestling will be B, horse racing, C, Naadam Assembly D, Shepherd's Day

B, to meet the guests from afar, are to be dedicated " Which ethnic group's custom is to greet guests from afar by offering them "khata" and exchanging "zaxi dele"?

A, Wei B, Tibetans C, Zhuang D, Hui

14, the first class of protected animals

A, South China tiger B, Bengal tiger C, Northeast tiger

15, not the first class of protected animals

A, albino dolphin B, white-headed langur C, Northeast tiger D, baby fish

16, born "Mouse catcher" bird is

A, owl B, eagle C, woodpecker

17, the world's smallest flower is ( ) the largest flower is ( )

A, cherry B, fig C, begonias D, the king of the flower

18, Weihai's municipal flower is ( ), the city tree is ( )

A. Peony Flower B. Daffodil C. Osmanthus D. Acacia E. Poplar F. Cypress

19. The emblem of the World Wildlife Fund is the use of China's endemic precious animals are ( )

A. Danding cranes B. Giant pandas C. Camels

20. The Tibetan antelope is a national-level protected animal, which is endemic to ( ).

A. Qinghai-Tibetan Plateau B. Xinjiang C. Qinghai

21. The eye is very much like a sophisticated camera, (retina) is equivalent to the camera's negative, (lens) is equivalent to the camera's convex lens.

22, the appearance of the moon is called (moon phases), the moon round change is caused by (moon) around (earth) rotation.

23, lunar eclipses generally occur in the (lunar calendar fifteenth or sixteenth), solar eclipses generally occur in the (first day of the lunar calendar)

24, the Earth is rotating every moment, the direction of rotation is (from west to east), the rotation of a week is about (24 hours).

25, the sun is surrounded by nine planets, they are (Mercury), (Venus), (Earth), (Mars), (Jupiter), (Saturn), (Uranus), (Neptune) (Pluto).

26, sunlight through the prism will be dispersed into (red), (orange), (yellow), (green), (blue), (indigo), (violet) seven colors of light.

27, (German) scientist (Kepler) discovered the law of planetary motion.

28, October 15, 2003, China's first manned spacecraft "Shenzhou V" launch success, the first astronaut into space Yang Liwei became a hero in the minds of young people, you know just launched a successful "Shenzhou VI" astronauts are? Who are the astronauts of "Shenzhou VI"? Fei Junlong Nie Haisheng

29, "Shenzhou V" and "Shenzhou VI" spacecraft was launched successfully in China's same launch site, you know which satellite launch site?

A, Jiuquan Satellite Launch Base B, Xichang Satellite Launch Base C, Taiyuan Satellite Launch Base

30, astronauts can enjoy many kinds of beverages in space, but the one that can't be provided to astronauts at present is ______

A, Apple Juice B, Coffee C, Iced Tea D, Beer

31, "Shenzhou V astronaut Yang Liwei returned to earth after 19 hours in space, do you know how long the Shenzhou VI astronauts will stay in space?A, 24 hours B, 48 hours C, 100 hours D, 119 hours

32. How will the Shenzhou VI astronauts use the toilet during the 119 hours in space? A. Diaper B. Special toilet C. The design has not been taken into consideration for the time being

33. China's space suits weigh about _______ kilograms?

A, 15 B, 20 C, 10 D, 5

34, cosmonauts in space wearing bulky spacesuits will feel heavy?A, will B, will not C, sometimes yes and sometimes no

35, the following four provinces and regions Heilongjiang, Shanghai, Hong Kong and Shandong, in the order of the correct order from the north to the south is: ()

A, Heilongjiang, Shanghai, Hong Kong, Shandong B, Shandong, Hong Kong, Shanghai, Heilongjiang

C, Shanghai, Hong Kong, Shandong, Heilongjiang D, Heilongjiang, Shandong, Shanghai, Hong Kong

36, many people like to go to the Dead Sea 410 meters below sea level to sunbathe because:

A, the best air B, the weakest ultraviolet C, the strongest ultraviolet

37, in the following Recycled waste products, if not recycled, the most harmful to the environment is ()

A, waste paper B, waste glass C, waste batteries

38, ozone is a sky-blue, foul-smelling gas, the ozone layer can absorb and filter out a large number of ()有害成分()of sunlight.

A. Ultraviolet light B. Infrared light C. Visible light

39. There are two special administrative regions in China, which refer to

A. Tibet B. Taiwan Province C. Hong Kong D. Beijing E. Macao

40. Public participation is an important aspect of realizing sustainable development, and the following public behaviors are in line with the idea of sustainable development: (A)

①using public **** transportation ②pursuing the renewal of computers

③separating garbage for recycling ④using flood irrigation for farm irrigation ⑤bringing one's own basket to buy food

A. ① ③ ⑤ B. ② ③ ⑤ C. ③ ④ ⑤ D. ② ③ ④

41. In order to protect the blue sky, when we go out, we should ( )

42.

A. try to take comfortable transportation

B. use private cars and go back quickly

C. try to take public **** transportation

42. What is the role of the ozone layer of the earth? (The ozone layer is a very important layer in the atmosphere that absorbs most of the ultraviolet rays from sunlight and protects Earth's living creatures from excessive ultraviolet radiation)

43. Why do large numbers of fish and shrimp die when red tides occur? (Because a large number of plankton floating on the surface of the sea will not only consume all the oxygen in the water, but also prevent the oxygen in the air to enter the water body, coupled with the red tide organisms will secrete mucus, sticking to the gills of fish, shrimp, shellfish and other organisms, preventing breathing, resulting in death by suffocation)

44, why should we refuse to eat wild animals? (Because eating wild animals one is to destroy the ecological environment, so that many of China's wildlife species are on the verge of extinction; the second is to eat wild animals, but also easy to infect germs)

45, what is the principle of environmental protection law? (The principle of prevention and combining prevention and treatment; the principle of the polluter's burden; the principle of environmental rights; the principle of coordinated development; the principle of public participation; the principle of sustainable development)

46. How high is the ozone layer above the ground? (20-30 kilometers) What is the main reason for the destruction of the ozone layer? (Humans use chemical materials such as Freon volatilized into the air as a result)

47, winter is coming, the use of honeycomb coal heating is very easy to gas poisoning, do you know that the main component of gas poisoning is what? (Carbon monoxide) How does it make people poisoned? (The human body is relying on blood hemoglobin to carry oxygen to various tissues and organs, in the inhalation of colorless and tasteless carbon monoxide, it will enter the human blood, carbon monoxide and hemoglobin combined ability to 250 times stronger than oxygen, it will soon seize the oxygen in the blood with the hemoglobin combination of the location, resulting in the brain and body hypoxia, a short period of time can be caused by the death of people)

48, mercury, cadmium, chromium, lead, arsenic is a class of pollutants, the use of coal in the beehive heating, the main component of gas poisoning. Lead, arsenic is a class of pollutants, the human body is very harmful, known as the "five poisons". These pollutants enter the water with wastewater, the formation of food chain pollution, directly endangering people, you can briefly explain how food chain pollution is formed? (Pollutants with the wastewater into the water this is absorbed by the plankton, small fish eat plankton, big fish and eat small fish, people eat polluted fish, pollutants will gradually gather to the human body)

49, give examples of several methods of power generation? (thermal power, hydroelectric power, wind power)

50, meteors can be seen with the naked eye in an open field, while in the city with a telescope often can not be seen, this is why? (One is over the city due to atmospheric pollution covering the light from the sky; the second is the light pollution caused by artificial daytime, after sunset, the busy streets and squares on the billboards, neon lights to reflect the city night as day. (These all affect the contrast between light and dark over the city to some extent)

51. What percent of the Earth's surface is covered by water? (70%) If water is so abundant, why do we keep talking about water shortages? (Only fresh water on earth can be used as living, industrial water, and fresh water resources are very poor)

52, sunlight, air, water is the guarantee of our survival, our students know that the earth's fresh water resources are very scarce, we have to conserve water, but the air is "inexhaustible, inexhaustible", we think that this statement is correct. Do you think this statement is right? Why? (80% of the Earth's air is concentrated in the troposphere above the Earth, weighing only about 600 billion tons, so it is not "inexhaustible".)

53, in the 20th century, the world's nine major environmental hazards caused great losses to mankind, including the Chernobyl nuclear power plant accident is the world's most serious accident in the history of nuclear power, which occurred in the A, the United States, B, the former Soviet Union, C, Japan, D, China

54, a mention of sharks, we know that it is very ferocious in the ocean is also a threat to other organisms, so why do we need to catch it in large quantities? So why should it be fished in large quantities, right? (Sharks are important in marine ecology and are at the top of the marine food chain. The overfishing of sharks will cause some weak fish to multiply and consume limited food, thus destroying the ecological balance of the whole ocean)

55. Why is the planet we live on blue when viewed from space?

56. Name what awards Weihai has achieved in environmental protection and environment in the past two years?

The first national health city national environmental protection model city garden city United Nations to improve the habitat of the best examples of program cities, etc.

57, these two years many families have bought a private car, our life is also much more convenient, please you from the environmental protection, to bring changes to our lives in two aspects of your views?

58, "The earth is ours and we borrowed it from our children and grandchildren" can you say your feelings or understanding of this sentence?

59、Tell us about your beautiful hometown (beautiful scenery, pleasant climate, specialties, etc.)

60、"Shenzhou six" launch success, say your feelings or meaning

61、From your life, say we can do in our daily life in what aspects of environmental protection?

62, every New Year's time, our students often have to send each other New Year's cards, and some are even very beautiful and expensive, how do you think about this? What kind of way will you take to send New Year's greetings to your classmates or friends and relatives

63、Do you like animals? Can you name more than 5 kinds of rare animals in China?

Snatch Question:

64: How many Habitat Festivals were held in Weihai this year? The third

65、What is the theme of this year's Weihai Habitat Festival?

66, airplanes are equipped with black boxes, used to record the crash of the plane in a variety of situations, do you know the manned spaceships equipped with black boxes? There are black boxes

67, this year is the Xinjiang Uygur Autonomous Region was founded how many years?

68, now the city's busy streets and squares on the billboards, neon lights reflect the city night as day, which is actually a kind of environmental pollution, you know what kind of pollution?

69, the country's unified free hotline for reporting environmental problems is (12369)

70, "God six" manned spaceship astronauts can talk to the ground on the phone?

71, the world's most populous country is (China)

72, the world's most widely used language is Chinese or English?

73Was the height of Mount Everest measured and announced lower or higher than the original?

74. The sun and the moon are both sources of light, so we have sunlight during the day and moonlight at night. (x)

75. Is man a conductor? Why? Water

76、Why do you see the lightning first, and hear the thunder later (the speed of light is faster than the speed of sound)

77、Where are the three satellite launch bases in China?

78, In early 1958, China built the country's first space launch site on the Gobi Beach north of _____.

A, Xichang B, Chengdu C, Taiyuan D, Jiuquan

79, do you know what Jiuquan is named after?

A: Han Dynasty general Huo Zaiwei will be the imperial gift of wine poured into the spring, and soldiers *** drink √

B: Legend has it that on the first day of the first month of the spring gushing wine

80, Xinjiang's melons and fruits are particularly sweet, the main reason for the weather drought (wrong Sunshine, long days and nights with a big difference between the temperatures)

81, the northeast tiger is the smallest number of extant species of tigers, the endangered extinction. It is the smallest of all existing tigers and is on the verge of extinction. The best way to protect tigers is to set up a protected area or to put tigers into

82. The Resolution on Carrying Out the National Compulsory Tree-Planting Campaign stipulates that "wherever conditions are available, citizens of the Chinese People's Republic of China who have reached the age of (), in addition to the old, weak, sick and handicapped, shall, according to the conditions of the locality, each person shall be obliged to plant from three to five trees every year, or to complete the corresponding amount of labor of seedlings, care and other greening tasks." A, 11 B, 16 C, 18

83, do you know which number key of the keyboard the @ is on in the e-mail address we send?2

84, the human body that controls a person's balance force is A, cerebellum B, cerebrum C, brain stem

85, the word "petroleum" was first seen in China's Song dynasty scientist Shen Kuo's writings. (√)

86, if we want to catch a fish in the water, often put your hand to the position of the fish you see and can not catch the fish, can you explain what is the reason for this? What you see is not the actual position of the fish, this is because of the refraction of light. (√)

87, now people are more accustomed to drinking pure, many people think the purer the better, do you think so? Why? (Long-term use of pure water as drinking water is not good for health. Pure water into the body, but also take away the body's trace elements. It can be seen that drinking water is not the more pure the better, people should drink more natural water, of course, it should be clean water.

88, as long as the daily intake of sugar, fat and protein, the body will not lack of nutrition.

89, if you pay attention to the weather forecast will find: our Weihai air quality is often excellent, air quality is mainly determined by the Air Pollution Index, the Air Pollution Index is expressed in API, "excellent" when the API is how much?

A, 50 or less B, 50-100 C, 100-150 D, 150-200

90, can play a role in regulating the climate of the Earth's water exists in where? (Ocean)

91, what is the policy of China's urban development? (Strictly control the size of large cities and reasonably develop small and medium-sized cities.)

92, Beijing southwest of the Lugou Bridge lion surface will become blurred, and even lose their heads, legs become "crippled" do you know what is the reason?

A, the destruction of the ozone layer B, the greenhouse effect C, the result of corrosion of acid rain

93, China's basic national policies are three A, to protect the environment B, water conservation C, protection of resources D, family planning

94, Shenzhou VI spacecraft weighs a total of how many tons A, more than 5 tons B, more than 8 tons C, more than 15 tons.

95、Where is the main landing site for the return capsule of Shenzhou VI, the same as that of Shenzhou V? Siziwangqi in central Inner Mongolia.

96. Shenzhou V's activities are limited to the return capsule, while Shenzhou VI astronauts can move around in two capsules.

A. Return capsule Orbital module B. Launch capsule Orbital capsule C. Launch capsule Return capsule

97: At what time was Shenzhou VI successfully launched? What time did it return?

98. The following idioms describe biological heredity

A. Mantis catching cicadas, yellow bird in the back B. A star's fire can start a prairie fire

C. Sowing melon gets melon, planting beans gets beans D. Not into the tiger's lair, how do you get the tiger's son

99, November 1, 2000, China, starting from Beijing, many areas to significantly increase the price of water, which is aimed at: ( )

A. Increasing Financial income B. Improve the level of consumption

C. Accelerate the use of water resources D. Improve the residents to save water

100, the following festivals, the earliest flag-raising in Tiananmen Square is ( )

A. Women's Day B. Children's Day C. National Day D. New Year's Day

101, the following habits, easy to form dental caries is

A. Rinsing mouth after meals, brushing teeth in the morning and evening B. Loving snacks, eating more sweets

C. Drinking milk, eating more meat D. Eating more food containing calcium, phosphorus and vitamin D

102, after a heavy rain, the earthworms often climbed to the ground, the reason is

A. lack of food in the holes B. lack of sunlight in the holes C. lack of oxygen in the holes D. the holes in the temperature is too low

B. lack of food in the holes C. lack of oxygen in the holes D. the holes in the holes are too low

C. lack of food in the holes D. the holes in the holes are too low in temperature

103, the day's highest temperature occurs in the afternoon around 2 o'clock, the lowest temperature occurs in the midnight around 12 o'clock (wrong The lowest temperature occurs before and after sunrise)

104, with the following kind of method can quickly open the coconut

A. with a saw saw B. put in a washing machine to quickly rotate C. put in a microwave oven heated

105, when a train weighing dozens of tons of magnetic levitation train suspended on the track, if you want to use human power to push it, from the following three options can push the car at least the number of elementary school students needed for

A.10 B.100 C.1,000 D.10,000

106, the temperature of water evaporation should be at

A.0 ℃ or more B.any temperature Vinegar

108, in order to prevent air pollution in our living environment, the best way to purify the air is to

A. control environmental pollution B. spraying drugs C. planting trees and grass

109, ozone is a sky-blue, foul-smelling gases, the ozone layer in the stratosphere can absorb and filter out a large amount of sunlight (), effective protection of the survival of earth's living creatures

109, ozone is a kind of sky-blue, smelly gas, the ozone layer in the stratosphere can absorb and filter out a large amount of ( ), effective protection of earth's biological Survival

A. ultraviolet B. infrared C. visible light D. heat

110, the meteorological department for the good analysis of rainstorms and services, the general provisions of the 24-hour precipitation amount up to how much is known as a rainstorm

A. 50-100 millimeters B. 100-200 millimeters C. 200 millimeters and above

111, one of the founders of Chinese aerospace science is

A.Qian Xuesen B.Yuan Longping C.Li Siguang

112, myopia is caused by changes in which part of the eye?

A.Pupil B.Optic nerve C.Lens

113.Among the gases that cause the warming of the earth, the one that has the greatest effect is

A.Carbon dioxide B.Carbon monoxide C.Nitrous oxide D.Ozone

114.The main substance that destroys the ozone layer is

A.Methane B.Carbon dioxide C.Freon D.Sulphur dioxide<

115, if the workplace is wet, in order to avoid electric shock, people using hand-held power tools should

A. stand on the iron plate to operate B. stand on the insulating rubber plate to operate C. wear anti-static shoes to operate

116, in the event of a fire

A. can not just open the doors and windows B. can only open the door C. can only open the window

117, causing the "

A. Atmospheric pollution B. Water pollution C. Soil pollution

118, the winter in the snow on the road driving cars, most of the tires wrapped with chains, the purpose is to increase friction.

119、We usually describe a day's weather in terms of temperature, wind, wind direction, rainfall, cloud cover and so on.

120. The only animal in the world that drinks salt water and eats salty alkaline plants is the wild camel.

121. The renewable energy sources referred to in the Renewable Energy Law of the People's Republic of China, which came into force on January 1, 2006, are

solar energy, wind energy, water energy, biomass energy, geothermal energy, ocean energy, and so on.

122. Energy is equivalent to the blood of the city, which drives the city's operation. The more modern a city is, the more dependent it is on energy, which plays a major role in maintaining transportation, food and drink, lighting, heating, cooling and automation.

123The three elements that sustain human life and health are water, food and air.

124, the highest point of the Qinghai-Tibet Railway in the Tanggula Mountains.

125, China's Shenzhou VI manned spacecraft launch site is in Jiuquan Satellite Launch Center.

126, air quality is usually in the form of API index characterization to the public, API index refers to the air pollution index.

127, railroad rails are a section of a section, the joints have a certain gap, the purpose of which is to prevent thermal expansion and contraction caused by railroad damage, causing traffic accidents.

128, life is commonly used in most of the sewage manhole covers are round, this is because the shape of the circle is called a conventional figure, it will not fall into the hole with its size and shape of the same.

129, environmental pollution is an important problem in today's society, the so-called environmental pollution, including garbage pollution, water pollution, noise pollution, light pollution, air pollution and so on.

130、There is a kind of protozoa that lives in fresh water and is shaped like an inverted straw shoe. Each of these animals can swallow about 43,000 bacteria every day, which has a certain effect on sewage purification, and this kind of animal is a straw worm.

131, with a used plastic toothpaste skin processing into a hook, is the use of plastic plasticity .

132, in human history, smallpox is a virulent infectious disease caused by smallpox virus. Normal people once contact with the patient, almost invariably suffered from infection, even if the lucky survival, but also inevitably leave a face full of pockmarks. The World Health Organization declared in October 1979 that smallpox had been eradicated from the face of the earth.

133, the soil provides inorganic salts containing nitrogen, phosphorus, potassium, calcium, iron, zinc, copper and other plant growth needs, they play a very important role in the plant's life activities

.